Fork of ohler55/compare-go-json, modified to focus on JSON file parsing with dynamic (unknown) schema.
Outputs are also available as CSV in the repository. x86_64 and arm64.
Unmarshal CanadaGeometry generically
json.Unmarshal 2201059 ns/op 1339377 B/op 52215 allocs/op
json2.Unmarshal 1808184 ns/op 1011594 B/op 37898 allocs/op
fastjson.Unmarshal 2143287 ns/op 8725359 B/op 30278 allocs/op
jsoniter.Unmarshal 2910583 ns/op 1961671 B/op 84971 allocs/op
jsonparser.Unmarshal 1269026 ns/op 152 B/op 12 allocs/op
goccy.Unmarshal 1932274 ns/op 1470385 B/op 59189 allocs/op
segment.Unmarshal 3653966 ns/op 2119753 B/op 51680 allocs/op
simdjson.Unmarshal 1284845 ns/op 987182 B/op 14324 allocs/op
gjson.Unmarshal 2702880 ns/op 393072 B/op 14314 allocs/op
gjson-v >>> not supported <<<
sonic.Unmarshal 922450 ns/op 2816834 B/op 29654 allocs/op
sonic-v >>> not supported <<<
codec.Unmarshal 2649064 ns/op 1765858 B/op 37408 allocs/op
djson.Unmarshal 1310825 ns/op 1289905 B/op 37891 allocs/op
ffjson >>> not supported <<<
easyjson >>> not supported <<<
sonnet.Unmarshal 951890 ns/op 1011609 B/op 37903 allocs/op
sonic █████████▌ 2.39
sonnet █████████▏ 2.31
* jsonparser ██████▉ 1.73
* simdjson ██████▊ 1.71
* djson ██████▋ 1.68
json2 ████▊ 1.22
goccy ████▌ 1.14
* fastjson ████ 1.03
json ▓▓▓▓ 1.00
codec ███▎ 0.83
* gjson ███▎ 0.81
jsoniter ███ 0.76
segment ██▍ 0.60
gjson-v >>> not supported <<<
sonic-v >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
Unmarshal CanadaGeometry into struct
json.Unmarshal 1999023 ns/op 472 B/op 13 allocs/op
json2.Unmarshal 1272186 ns/op 347991 B/op 1626 allocs/op
fastjson >>> not supported <<<
jsoniter.Unmarshal 1572584 ns/op 598818 B/op 25122 allocs/op
jsonparser >>> not supported <<<
goccy.Unmarshal 749830 ns/op 278736 B/op 1 allocs/op
segment.Unmarshal 739785 ns/op 48 B/op 4 allocs/op
simdjson >>> not supported <<<
gjson >>> not supported <<<
gjson-v >>> not supported <<<
sonic.Unmarshal 310513 ns/op 278834 B/op 2 allocs/op
sonic-v >>> not supported <<<
codec.Unmarshal 1268821 ns/op 1224 B/op 7 allocs/op
djson >>> not supported <<<
ffjson.Unmarshal 2484316 ns/op 535504 B/op 25 allocs/op
easyjson.Unmarshal 919723 ns/op 330368 B/op 753 allocs/op
sonnet.Unmarshal 429378 ns/op 143113 B/op 967 allocs/op
sonic █████████████████████████▊ 6.44
sonnet ██████████████████▌ 4.66
segment ██████████▊ 2.70
goccy ██████████▋ 2.67
easyjson ████████▋ 2.17
codec ██████▎ 1.58
json2 ██████▎ 1.57
jsoniter █████ 1.27
json ▓▓▓▓ 1.00
ffjson ███▏ 0.80
jsonparser >>> not supported <<<
sonic-v >>> not supported <<<
gjson-v >>> not supported <<<
djson >>> not supported <<<
gjson >>> not supported <<<
simdjson >>> not supported <<<
fastjson >>> not supported <<<
Marshal CanadaGeometry generically
json.Marshal 1105380 ns/op 280161 B/op 21 allocs/op
json2.Marshal 839797 ns/op 279610 B/op 7 allocs/op
fastjson >>> not supported <<<
jsoniter.Marshal 460046 ns/op 172567 B/op 13 allocs/op
jsonparser >>> not supported <<<
goccy.Marshal 870669 ns/op 280751 B/op 3 allocs/op
segment.Marshal 783300 ns/op 279437 B/op 1 allocs/op
simdjson >>> not supported <<<
gjson >>> not supported <<<
gjson-v >>> not supported <<<
sonic.Marshal 449976 ns/op 279144 B/op 4 allocs/op
sonic-v >>> not supported <<<
codec.Marshal 921019 ns/op 1186328 B/op 22 allocs/op
djson >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
sonnet.Marshal 698024 ns/op 278946 B/op 5 allocs/op
sonic █████████▊ 2.46
jsoniter █████████▌ 2.40
sonnet ██████▎ 1.58
segment █████▋ 1.41
json2 █████▎ 1.32
goccy █████ 1.27
codec ████▊ 1.20
json ▓▓▓▓ 1.00
jsonparser >>> not supported <<<
gjson-v >>> not supported <<<
gjson >>> not supported <<<
sonic-v >>> not supported <<<
simdjson >>> not supported <<<
djson >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
fastjson >>> not supported <<<
Marshal CanadaGeometry from struct
json.Marshal 765114 ns/op 279277 B/op 1 allocs/op
json2.Marshal 799925 ns/op 279392 B/op 1 allocs/op
fastjson >>> not supported <<<
jsoniter.Marshal 196240 ns/op 172182 B/op 2 allocs/op
jsonparser >>> not supported <<<
goccy.Marshal 703238 ns/op 279308 B/op 1 allocs/op
segment.Marshal 702256 ns/op 279293 B/op 1 allocs/op
simdjson >>> not supported <<<
gjson >>> not supported <<<
gjson-v >>> not supported <<<
sonic.Marshal 336709 ns/op 278743 B/op 4 allocs/op
sonic-v >>> not supported <<<
codec.Marshal 918709 ns/op 1186329 B/op 22 allocs/op
djson >>> not supported <<<
ffjson.Marshal 1490419 ns/op 1058608 B/op 14391 allocs/op
easyjson.Marshal 686210 ns/op 280299 B/op 20 allocs/op
sonnet.Marshal 723355 ns/op 278907 B/op 5 allocs/op
jsoniter ███████████████▌ 3.90
sonic █████████ 2.27
easyjson ████▍ 1.11
segment ████▎ 1.09
goccy ████▎ 1.09
sonnet ████▏ 1.06
json ▓▓▓▓ 1.00
json2 ███▊ 0.96
codec ███▎ 0.83
ffjson ██ 0.51
jsonparser >>> not supported <<<
sonic-v >>> not supported <<<
gjson-v >>> not supported <<<
djson >>> not supported <<<
gjson >>> not supported <<<
simdjson >>> not supported <<<
fastjson >>> not supported <<<
Unmarshal CITMCatalog generically
json.Unmarshal 7496686 ns/op 5123835 B/op 95373 allocs/op
json2.Unmarshal 3389433 ns/op 4958941 B/op 80513 allocs/op
fastjson.Unmarshal 3768654 ns/op 19991453 B/op 45701 allocs/op
jsoniter.Unmarshal 3936442 ns/op 5573428 B/op 118756 allocs/op
jsonparser.Unmarshal 6630522 ns/op 145320 B/op 15863 allocs/op
goccy.Unmarshal 4256725 ns/op 7416711 B/op 123577 allocs/op
segment.Unmarshal 17097780 ns/op 55526612 B/op 123714 allocs/op
simdjson.Unmarshal 1582903 ns/op 2854125 B/op 15139 allocs/op
gjson.Unmarshal 6042012 ns/op 1855520 B/op 15131 allocs/op
gjson-v >>> not supported <<<
sonic.Unmarshal 2438729 ns/op 8644975 B/op 58177 allocs/op
sonic-v >>> not supported <<<
codec.Unmarshal 7694167 ns/op 6195005 B/op 159475 allocs/op
djson.Unmarshal 2985875 ns/op 6437585 B/op 54480 allocs/op
ffjson >>> not supported <<<
easyjson >>> not supported <<<
sonnet.Unmarshal 2363520 ns/op 4968468 B/op 80980 allocs/op
* simdjson ██████████████████▉ 4.74
sonnet ████████████▋ 3.17
sonic ████████████▎ 3.07
* djson ██████████ 2.51
json2 ████████▊ 2.21
* fastjson ███████▉ 1.99
jsoniter ███████▌ 1.90
goccy ███████ 1.76
* gjson ████▉ 1.24
* jsonparser ████▌ 1.13
json ▓▓▓▓ 1.00
codec ███▉ 0.97
segment █▊ 0.44
gjson-v >>> not supported <<<
sonic-v >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
Unmarshal CITMCatalog into struct
json.Unmarshal 6899554 ns/op 253352 B/op 10950 allocs/op
json2.Unmarshal 2157551 ns/op 888608 B/op 6295 allocs/op
fastjson >>> not supported <<<
jsoniter.Unmarshal 1296765 ns/op 72338 B/op 2535 allocs/op
jsonparser >>> not supported <<<
goccy.Unmarshal 1071219 ns/op 1782677 B/op 2226 allocs/op
segment.Unmarshal 3095855 ns/op 52384 B/op 1354 allocs/op
simdjson >>> not supported <<<
gjson >>> not supported <<<
gjson-v >>> not supported <<<
sonic.Unmarshal 759359 ns/op 1731648 B/op 111 allocs/op
sonic-v >>> not supported <<<
codec.Unmarshal 1920141 ns/op 47880 B/op 1036 allocs/op
djson >>> not supported <<<
ffjson.Unmarshal >>> ffjson error: (*errors.errorString)cannot unmarshal tok:string into Go value for int64 offset=40 line=3 char=19 <<<
easyjson.Unmarshal 2146114 ns/op 896724 B/op 5705 allocs/op
sonnet.Unmarshal 1412789 ns/op 613507 B/op 13348 allocs/op
sonic ████████████████████████████████████▎ 9.09
goccy █████████████████████████▊ 6.44
jsoniter █████████████████████▎ 5.32
sonnet ███████████████████▌ 4.88
codec ██████████████▎ 3.59
easyjson ████████████▊ 3.21
json2 ████████████▊ 3.20
segment ████████▉ 2.23
json ▓▓▓▓ 1.00
jsonparser >>> not supported <<<
gjson-v >>> not supported <<<
sonic-v >>> not supported <<<
gjson >>> not supported <<<
djson >>> not supported <<<
ffjson >>> ffjson error: (*errors.errorString)cannot unmarshal tok:string into Go value for int64 offset=40 line=3 char=19 <<<
simdjson >>> not supported <<<
fastjson >>> not supported <<<
Marshal CITMCatalog generically
json.Marshal 3470270 ns/op 2384809 B/op 62674 allocs/op
json2.Marshal 1540170 ns/op 511740 B/op 16 allocs/op
fastjson >>> not supported <<<
jsoniter.Marshal 2118618 ns/op 1912572 B/op 32812 allocs/op
jsonparser >>> not supported <<<
goccy.Marshal 1987244 ns/op 658881 B/op 331 allocs/op
segment.Marshal 1482226 ns/op 508028 B/op 1 allocs/op
simdjson >>> not supported <<<
gjson >>> not supported <<<
gjson-v >>> not supported <<<
sonic.Marshal 1044746 ns/op 509444 B/op 4 allocs/op
sonic-v >>> not supported <<<
codec.Marshal 1964994 ns/op 2538009 B/op 25 allocs/op
djson >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
sonnet.Marshal 1234419 ns/op 508393 B/op 5 allocs/op
sonic █████████████▎ 3.32
sonnet ███████████▏ 2.81
segment █████████▎ 2.34
json2 █████████ 2.25
codec ███████ 1.77
goccy ██████▉ 1.75
jsoniter ██████▌ 1.64
json ▓▓▓▓ 1.00
jsonparser >>> not supported <<<
gjson-v >>> not supported <<<
gjson >>> not supported <<<
sonic-v >>> not supported <<<
simdjson >>> not supported <<<
djson >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
fastjson >>> not supported <<<
Marshal CITMCatalog from struct
json.Marshal 549952 ns/op 556600 B/op 890 allocs/op
json2.Marshal 822414 ns/op 512881 B/op 133 allocs/op
fastjson >>> not supported <<<
jsoniter.Marshal 418564 ns/op 510207 B/op 22 allocs/op
jsonparser >>> not supported <<<
goccy.Marshal 295109 ns/op 521035 B/op 3 allocs/op
segment.Marshal 359428 ns/op 547059 B/op 616 allocs/op
simdjson >>> not supported <<<
gjson >>> not supported <<<
gjson-v >>> not supported <<<
sonic.Marshal 201527 ns/op 508430 B/op 4 allocs/op
sonic-v >>> not supported <<<
codec.Marshal 889686 ns/op 2538009 B/op 25 allocs/op
djson >>> not supported <<<
ffjson.Marshal 807025 ns/op 904321 B/op 14180 allocs/op
easyjson.Marshal 391360 ns/op 524115 B/op 1125 allocs/op
sonnet.Marshal 340656 ns/op 508294 B/op 5 allocs/op
sonic ██████████▉ 2.73
goccy ███████▍ 1.86
sonnet ██████▍ 1.61
segment ██████ 1.53
easyjson █████▌ 1.41
jsoniter █████▎ 1.31
json ▓▓▓▓ 1.00
ffjson ██▋ 0.68
json2 ██▋ 0.67
codec ██▍ 0.62
jsonparser >>> not supported <<<
sonic-v >>> not supported <<<
gjson-v >>> not supported <<<
djson >>> not supported <<<
gjson >>> not supported <<<
simdjson >>> not supported <<<
fastjson >>> not supported <<<
Unmarshal SyntheaFHIR generically
json.Unmarshal 9510204 ns/op 7430310 B/op 134384 allocs/op
json2.Unmarshal 5222519 ns/op 6939006 B/op 115832 allocs/op
fastjson.Unmarshal 5067856 ns/op 26046546 B/op 66098 allocs/op
jsoniter.Unmarshal 5907076 ns/op 8197336 B/op 181426 allocs/op
jsonparser.Unmarshal 10258052 ns/op 1108793 B/op 49604 allocs/op
goccy.Unmarshal 5543987 ns/op 9838170 B/op 159459 allocs/op
segment.Unmarshal 43495810 ns/op 77571274 B/op 193338 allocs/op
simdjson.Unmarshal 2530651 ns/op 6172197 B/op 26181 allocs/op
gjson.Unmarshal 8402637 ns/op 2432544 B/op 26821 allocs/op
gjson-v >>> not supported <<<
sonic.Unmarshal 3056453 ns/op 9489690 B/op 67615 allocs/op
sonic-v >>> not supported <<<
codec.Unmarshal 11316617 ns/op 9669900 B/op 247797 allocs/op
djson.Unmarshal 3875910 ns/op 8374521 B/op 68394 allocs/op
ffjson >>> not supported <<<
easyjson >>> not supported <<<
sonnet.Unmarshal 3817061 ns/op 7410722 B/op 133127 allocs/op
* simdjson ███████████████ 3.76
sonic ████████████▍ 3.11
sonnet █████████▉ 2.49
* djson █████████▊ 2.45
* fastjson ███████▌ 1.88
json2 ███████▎ 1.82
goccy ██████▊ 1.72
jsoniter ██████▍ 1.61
* gjson ████▌ 1.13
json ▓▓▓▓ 1.00
* jsonparser ███▋ 0.93
codec ███▎ 0.84
segment ▊ 0.22
sonic-v >>> not supported <<<
gjson-v >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
Unmarshal SyntheaFHIR into struct
json.Unmarshal 9258864 ns/op 625392 B/op 21883 allocs/op
json2.Unmarshal 3566256 ns/op 3103391 B/op 14550 allocs/op
fastjson >>> not supported <<<
jsoniter.Unmarshal 2237231 ns/op 825754 B/op 29439 allocs/op
jsonparser >>> not supported <<<
goccy.Unmarshal 1671283 ns/op 2157891 B/op 2507 allocs/op
segment.Unmarshal 6145498 ns/op 623760 B/op 21832 allocs/op
simdjson >>> not supported <<<
gjson >>> not supported <<<
gjson-v >>> not supported <<<
sonic.Unmarshal 1319841 ns/op 2017598 B/op 10 allocs/op
sonic-v >>> not supported <<<
codec.Unmarshal 3030203 ns/op 623400 B/op 21826 allocs/op
djson >>> not supported <<<
ffjson.Unmarshal 15816187 ns/op 4334228 B/op 21904 allocs/op
easyjson.Unmarshal 2959394 ns/op 3531633 B/op 29214 allocs/op
sonnet.Unmarshal 2453738 ns/op 3446361 B/op 33093 allocs/op
sonic ████████████████████████████ 7.02
goccy ██████████████████████▏ 5.54
jsoniter ████████████████▌ 4.14
sonnet ███████████████ 3.77
easyjson ████████████▌ 3.13
codec ████████████▏ 3.06
json2 ██████████▍ 2.60
segment ██████ 1.51
json ▓▓▓▓ 1.00
ffjson ██▎ 0.59
jsonparser >>> not supported <<<
sonic-v >>> not supported <<<
gjson-v >>> not supported <<<
djson >>> not supported <<<
gjson >>> not supported <<<
simdjson >>> not supported <<<
fastjson >>> not supported <<<
Marshal SyntheaFHIR generically
json.Marshal 5581444 ns/op 4137929 B/op 95282 allocs/op
json2.Marshal 2417076 ns/op 1161868 B/op 8 allocs/op
fastjson >>> not supported <<<
jsoniter.Marshal 3173327 ns/op 3089512 B/op 45292 allocs/op
jsonparser >>> not supported <<<
goccy.Marshal 3866950 ns/op 2495264 B/op 6474 allocs/op
segment.Marshal 2522778 ns/op 1161746 B/op 1 allocs/op
simdjson >>> not supported <<<
gjson >>> not supported <<<
gjson-v >>> not supported <<<
sonic.Marshal 2001790 ns/op 1147635 B/op 4 allocs/op
sonic-v >>> not supported <<<
codec.Marshal 2498663 ns/op 6642202 B/op 29 allocs/op
djson >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
sonnet.Marshal 2098520 ns/op 1147314 B/op 5 allocs/op
sonic ███████████▏ 2.79
sonnet ██████████▋ 2.66
json2 █████████▏ 2.31
codec ████████▉ 2.23
segment ████████▊ 2.21
jsoniter ███████ 1.76
goccy █████▊ 1.44
json ▓▓▓▓ 1.00
jsonparser >>> not supported <<<
gjson-v >>> not supported <<<
gjson >>> not supported <<<
sonic-v >>> not supported <<<
simdjson >>> not supported <<<
djson >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
fastjson >>> not supported <<<
Marshal SyntheaFHIR from struct
json.Marshal 5057858 ns/op 3983870 B/op 18009 allocs/op
json2.Marshal 5154576 ns/op 3217367 B/op 2569 allocs/op
fastjson >>> not supported <<<
jsoniter.Marshal 3435776 ns/op 3970837 B/op 17963 allocs/op
jsonparser >>> not supported <<<
goccy.Marshal 2625887 ns/op 3945464 B/op 17940 allocs/op
segment.Marshal 2015756 ns/op 3272481 B/op 5338 allocs/op
simdjson >>> not supported <<<
gjson >>> not supported <<<
gjson-v >>> not supported <<<
sonic.Marshal 1971755 ns/op 3998786 B/op 17939 allocs/op
sonic-v >>> not supported <<<
codec.Marshal 4806434 ns/op 16792096 B/op 33 allocs/op
djson >>> not supported <<<
ffjson.Marshal 3804123 ns/op 9493195 B/op 45596 allocs/op
easyjson.Marshal 2460771 ns/op 3979943 B/op 15520 allocs/op
sonnet.Marshal 3118662 ns/op 3944830 B/op 17940 allocs/op
sonic ██████████▎ 2.57
segment ██████████ 2.51
easyjson ████████▏ 2.06
goccy ███████▋ 1.93
sonnet ██████▍ 1.62
jsoniter █████▉ 1.47
ffjson █████▎ 1.33
codec ████▏ 1.05
json ▓▓▓▓ 1.00
json2 ███▉ 0.98
jsonparser >>> not supported <<<
sonic-v >>> not supported <<<
gjson-v >>> not supported <<<
djson >>> not supported <<<
gjson >>> not supported <<<
simdjson >>> not supported <<<
fastjson >>> not supported <<<
Unmarshal TwitterStatus generically
json.Unmarshal 3096270 ns/op 2152570 B/op 31262 allocs/op
json2.Unmarshal 1953068 ns/op 2074857 B/op 27238 allocs/op
fastjson.Unmarshal 1001276 ns/op 5341210 B/op 11130 allocs/op
jsoniter.Unmarshal 1996329 ns/op 2427579 B/op 45042 allocs/op
jsonparser.Unmarshal 2143972 ns/op 300312 B/op 10184 allocs/op
goccy.Unmarshal 1817143 ns/op 2755798 B/op 39695 allocs/op
segment.Unmarshal 10431377 ns/op 7060656 B/op 39237 allocs/op
simdjson.Unmarshal 743708 ns/op 1950208 B/op 5732 allocs/op
gjson.Unmarshal 1870382 ns/op 822360 B/op 6884 allocs/op
gjson-v >>> not supported <<<
sonic.Unmarshal 1049349 ns/op 2606585 B/op 12136 allocs/op
sonic-v >>> not supported <<<
codec.Unmarshal 3326482 ns/op 2576810 B/op 60985 allocs/op
djson.Unmarshal 1438365 ns/op 2470278 B/op 12677 allocs/op
ffjson >>> not supported <<<
easyjson >>> not supported <<<
sonnet.Unmarshal 1377480 ns/op 2085723 B/op 29439 allocs/op
* simdjson ████████████████▋ 4.16
* fastjson ████████████▎ 3.09
sonic ███████████▊ 2.95
sonnet ████████▉ 2.25
* djson ████████▌ 2.15
goccy ██████▊ 1.70
* gjson ██████▌ 1.66
json2 ██████▎ 1.59
jsoniter ██████▏ 1.55
* jsonparser █████▊ 1.44
json ▓▓▓▓ 1.00
codec ███▋ 0.93
segment █▏ 0.30
gjson-v >>> not supported <<<
sonic-v >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
Unmarshal TwitterStatus into struct
json.Unmarshal 2826550 ns/op 304611 B/op 6486 allocs/op
json2.Unmarshal 1054087 ns/op 306193 B/op 2972 allocs/op
fastjson >>> not supported <<<
jsoniter.Unmarshal 733289 ns/op 339699 B/op 6293 allocs/op
jsonparser >>> not supported <<<
goccy.Unmarshal 527155 ns/op 647251 B/op 238 allocs/op
segment.Unmarshal 2133152 ns/op 369712 B/op 5341 allocs/op
simdjson >>> not supported <<<
gjson >>> not supported <<<
gjson-v >>> not supported <<<
sonic.Unmarshal 376674 ns/op 694348 B/op 401 allocs/op
sonic-v >>> not supported <<<
codec.Unmarshal 856766 ns/op 215944 B/op 4530 allocs/op
djson >>> not supported <<<
ffjson.Unmarshal 1708915 ns/op 1052320 B/op 9494 allocs/op
easyjson.Unmarshal 616803 ns/op 324336 B/op 4907 allocs/op
sonnet.Unmarshal 723734 ns/op 373601 B/op 6257 allocs/op
sonic ██████████████████████████████ 7.50
goccy █████████████████████▍ 5.36
easyjson ██████████████████▎ 4.58
sonnet ███████████████▌ 3.91
jsoniter ███████████████▍ 3.85
codec █████████████▏ 3.30
json2 ██████████▋ 2.68
ffjson ██████▌ 1.65
segment █████▎ 1.33
json ▓▓▓▓ 1.00
jsonparser >>> not supported <<<
sonic-v >>> not supported <<<
gjson-v >>> not supported <<<
djson >>> not supported <<<
gjson >>> not supported <<<
simdjson >>> not supported <<<
fastjson >>> not supported <<<
Marshal TwitterStatus generically
json.Marshal 2274129 ns/op 1488060 B/op 27955 allocs/op
json2.Marshal 821631 ns/op 469040 B/op 7 allocs/op
fastjson >>> not supported <<<
jsoniter.Marshal 838312 ns/op 630831 B/op 3793 allocs/op
jsonparser >>> not supported <<<
goccy.Marshal 1688990 ns/op 1050622 B/op 551 allocs/op
segment.Marshal 1274136 ns/op 478116 B/op 1 allocs/op
simdjson >>> not supported <<<
gjson >>> not supported <<<
gjson-v >>> not supported <<<
sonic.Marshal 565156 ns/op 467159 B/op 4 allocs/op
sonic-v >>> not supported <<<
codec.Marshal 922706 ns/op 2538008 B/op 25 allocs/op
djson >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
sonnet.Marshal 1117461 ns/op 475538 B/op 5 allocs/op
sonic ████████████████ 4.02
json2 ███████████ 2.77
jsoniter ██████████▊ 2.71
codec █████████▊ 2.46
sonnet ████████▏ 2.04
segment ███████▏ 1.78
goccy █████▍ 1.35
json ▓▓▓▓ 1.00
jsonparser >>> not supported <<<
gjson-v >>> not supported <<<
gjson >>> not supported <<<
sonic-v >>> not supported <<<
simdjson >>> not supported <<<
djson >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
fastjson >>> not supported <<<
Marshal TwitterStatus from struct
json.Marshal 411430 ns/op 513404 B/op 141 allocs/op
json2.Marshal 555077 ns/op 503163 B/op 59 allocs/op
fastjson >>> not supported <<<
jsoniter.Marshal 427647 ns/op 503249 B/op 52 allocs/op
jsonparser >>> not supported <<<
goccy.Marshal 273936 ns/op 509511 B/op 6 allocs/op
segment.Marshal 287307 ns/op 512407 B/op 121 allocs/op
simdjson >>> not supported <<<
gjson >>> not supported <<<
gjson-v >>> not supported <<<
sonic.Marshal 111841 ns/op 500238 B/op 4 allocs/op
sonic-v >>> not supported <<<
codec.Marshal 747740 ns/op 2540385 B/op 29 allocs/op
djson >>> not supported <<<
ffjson.Marshal 527071 ns/op 798096 B/op 6117 allocs/op
easyjson.Marshal 355337 ns/op 520014 B/op 953 allocs/op
sonnet.Marshal 321534 ns/op 508298 B/op 5 allocs/op
sonic ██████████████▋ 3.68
goccy ██████ 1.50
segment █████▋ 1.43
sonnet █████ 1.28
easyjson ████▋ 1.16
json ▓▓▓▓ 1.00
jsoniter ███▊ 0.96
ffjson ███ 0.78
json2 ██▉ 0.74
codec ██▏ 0.55
jsonparser >>> not supported <<<
sonic-v >>> not supported <<<
gjson-v >>> not supported <<<
djson >>> not supported <<<
gjson >>> not supported <<<
simdjson >>> not supported <<<
fastjson >>> not supported <<<
Unmarshal GolangSource generically
json.Unmarshal 11968064 ns/op 7916353 B/op 271264 allocs/op
json2.Unmarshal 8276294 ns/op 6990106 B/op 218839 allocs/op
fastjson.Unmarshal 9467542 ns/op 50767007 B/op 130330 allocs/op
jsoniter.Unmarshal 10051329 ns/op 9233781 B/op 346658 allocs/op
jsonparser.Unmarshal 30813505 ns/op 925272 B/op 64023 allocs/op
goccy.Unmarshal 10253947 ns/op 10870510 B/op 320839 allocs/op
segment.Unmarshal 39725799 ns/op 67095366 B/op 334022 allocs/op
simdjson.Unmarshal 5902033 ns/op 12653678 B/op 63942 allocs/op
gjson.Unmarshal 35776431 ns/op 2658512 B/op 76819 allocs/op
gjson-v >>> not supported <<<
sonic.Unmarshal 4789534 ns/op 10997414 B/op 128226 allocs/op
sonic-v >>> not supported <<<
codec.Unmarshal 20468895 ns/op 10502701 B/op 436539 allocs/op
djson.Unmarshal 4750686 ns/op 7822418 B/op 117489 allocs/op
ffjson >>> not supported <<<
easyjson >>> not supported <<<
sonnet.Unmarshal 5113454 ns/op 7011913 B/op 219940 allocs/op
* djson ██████████ 2.52
sonic █████████▉ 2.50
sonnet █████████▎ 2.34
* simdjson ████████ 2.03
json2 █████▊ 1.45
* fastjson █████ 1.26
jsoniter ████▊ 1.19
goccy ████▋ 1.17
json ▓▓▓▓ 1.00
codec ██▎ 0.58
* jsonparser █▌ 0.39
* gjson █▎ 0.33
segment █▏ 0.30
sonic-v >>> not supported <<<
gjson-v >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
Unmarshal GolangSource into struct
json.Unmarshal 12829904 ns/op 704424 B/op 24927 allocs/op
json2.Unmarshal 6322344 ns/op 3236434 B/op 13941 allocs/op
fastjson >>> not supported <<<
jsoniter.Unmarshal 4089098 ns/op 994092 B/op 37077 allocs/op
jsonparser >>> not supported <<<
goccy.Unmarshal 2295718 ns/op 1944324 B/op 1 allocs/op
segment.Unmarshal 2363810 ns/op 411672 B/op 12806 allocs/op
simdjson >>> not supported <<<
gjson >>> not supported <<<
gjson-v >>> not supported <<<
sonic.Unmarshal 1930832 ns/op 1942003 B/op 2 allocs/op
sonic-v >>> not supported <<<
codec.Unmarshal 5392874 ns/op 412848 B/op 12809 allocs/op
djson >>> not supported <<<
ffjson.Unmarshal 7011536 ns/op 6276801 B/op 52765 allocs/op
easyjson.Unmarshal 4262419 ns/op 4282424 B/op 27846 allocs/op
sonnet.Unmarshal 2956560 ns/op 1811651 B/op 26312 allocs/op
sonic ██████████████████████████▌ 6.64
goccy ██████████████████████▎ 5.59
segment █████████████████████▋ 5.43
sonnet █████████████████▎ 4.34
jsoniter ████████████▌ 3.14
easyjson ████████████ 3.01
codec █████████▌ 2.38
json2 ████████ 2.03
ffjson ███████▎ 1.83
json ▓▓▓▓ 1.00
jsonparser >>> not supported <<<
sonic-v >>> not supported <<<
gjson-v >>> not supported <<<
djson >>> not supported <<<
gjson >>> not supported <<<
simdjson >>> not supported <<<
fastjson >>> not supported <<<
Marshal GolangSource generically
json.Marshal 11721767 ns/op 8546871 B/op 192096 allocs/op
json2.Marshal 4843868 ns/op 1986292 B/op 7 allocs/op
fastjson >>> not supported <<<
jsoniter.Marshal 4876010 ns/op 3477985 B/op 38422 allocs/op
jsonparser >>> not supported <<<
goccy.Marshal 8589343 ns/op 2115868 B/op 2 allocs/op
segment.Marshal 5490932 ns/op 1991387 B/op 1 allocs/op
simdjson >>> not supported <<<
gjson >>> not supported <<<
gjson-v >>> not supported <<<
sonic.Marshal 2771808 ns/op 1950993 B/op 4 allocs/op
sonic-v >>> not supported <<<
codec.Marshal 6485767 ns/op 10590746 B/op 31 allocs/op
djson >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
sonnet.Marshal 4412152 ns/op 1941945 B/op 5 allocs/op
sonic ████████████████▉ 4.23
sonnet ██████████▋ 2.66
json2 █████████▋ 2.42
jsoniter █████████▌ 2.40
segment ████████▌ 2.13
codec ███████▏ 1.81
goccy █████▍ 1.36
json ▓▓▓▓ 1.00
jsonparser >>> not supported <<<
gjson-v >>> not supported <<<
gjson >>> not supported <<<
sonic-v >>> not supported <<<
simdjson >>> not supported <<<
djson >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
fastjson >>> not supported <<<
Marshal GolangSource from struct
json.Marshal 2384544 ns/op 1950638 B/op 1 allocs/op
json2.Marshal 3045885 ns/op 1971261 B/op 1 allocs/op
fastjson >>> not supported <<<
jsoniter.Marshal 1616169 ns/op 1810031 B/op 2 allocs/op
jsonparser >>> not supported <<<
goccy.Marshal 1477480 ns/op 1956591 B/op 1 allocs/op
segment.Marshal 1535164 ns/op 1956526 B/op 1 allocs/op
simdjson >>> not supported <<<
gjson >>> not supported <<<
gjson-v >>> not supported <<<
sonic.Marshal 780608 ns/op 1948577 B/op 4 allocs/op
sonic-v >>> not supported <<<
codec.Marshal 4031067 ns/op 10590745 B/op 31 allocs/op
djson >>> not supported <<<
ffjson.Marshal 4415026 ns/op 6493051 B/op 77031 allocs/op
easyjson.Marshal 1699971 ns/op 1996641 B/op 73 allocs/op
sonnet.Marshal 1645396 ns/op 1941848 B/op 5 allocs/op
sonic ████████████▏ 3.05
goccy ██████▍ 1.61
segment ██████▏ 1.55
jsoniter █████▉ 1.48
sonnet █████▊ 1.45
easyjson █████▌ 1.40
json ▓▓▓▓ 1.00
json2 ███▏ 0.78
codec ██▎ 0.59
ffjson ██▏ 0.54
jsonparser >>> not supported <<<
sonic-v >>> not supported <<<
gjson-v >>> not supported <<<
djson >>> not supported <<<
gjson >>> not supported <<<
simdjson >>> not supported <<<
fastjson >>> not supported <<<
Unmarshal StringUnicode generically
json.Unmarshal 56253 ns/op 30304 B/op 194 allocs/op
json2.Unmarshal 26004 ns/op 27556 B/op 179 allocs/op
fastjson.Unmarshal 5361 ns/op 35208 B/op 76 allocs/op
jsoniter.Unmarshal 19741 ns/op 31960 B/op 262 allocs/op
jsonparser.Unmarshal 8649 ns/op 18624 B/op 121 allocs/op
goccy.Unmarshal 14755 ns/op 31325 B/op 191 allocs/op
segment.Unmarshal 105580 ns/op 43274 B/op 307 allocs/op
simdjson.Unmarshal 32476 ns/op 194760 B/op 75 allocs/op
gjson.Unmarshal 9488 ns/op 20272 B/op 66 allocs/op
gjson-v >>> not supported <<<
sonic.Unmarshal 7060 ns/op 29865 B/op 72 allocs/op
sonic-v >>> not supported <<<
codec.Unmarshal 22143 ns/op 32850 B/op 315 allocs/op
djson.Unmarshal 33363 ns/op 47482 B/op 133 allocs/op
ffjson >>> not supported <<<
easyjson >>> not supported <<<
sonnet.Unmarshal 25137 ns/op 30468 B/op 193 allocs/op
* fastjson █████████████████████████████████████████▉ 10.49
sonic ███████████████████████████████▊ 7.97
* jsonparser ██████████████████████████ 6.50
* gjson ███████████████████████▋ 5.93
goccy ███████████████▏ 3.81
jsoniter ███████████▍ 2.85
codec ██████████▏ 2.54
sonnet ████████▉ 2.24
json2 ████████▋ 2.16
* simdjson ██████▉ 1.73
* djson ██████▋ 1.69
json ▓▓▓▓ 1.00
segment ██▏ 0.53
gjson-v >>> not supported <<<
sonic-v >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
Unmarshal StringUnicode into struct
json.Unmarshal 54169 ns/op 18296 B/op 66 allocs/op
json2.Unmarshal 20685 ns/op 15472 B/op 49 allocs/op
fastjson >>> not supported <<<
jsoniter.Unmarshal 12587 ns/op 18912 B/op 72 allocs/op
jsonparser >>> not supported <<<
goccy.Unmarshal 8605 ns/op 18432 B/op 1 allocs/op
segment.Unmarshal 57850 ns/op 35280 B/op 122 allocs/op
simdjson >>> not supported <<<
gjson >>> not supported <<<
gjson-v >>> not supported <<<
sonic.Unmarshal 2913 ns/op 18913 B/op 4 allocs/op
sonic-v >>> not supported <<<
codec.Unmarshal 10062 ns/op 18824 B/op 63 allocs/op
djson >>> not supported <<<
ffjson.Unmarshal 10054 ns/op 18449 B/op 66 allocs/op
easyjson.Unmarshal 3835 ns/op 17776 B/op 61 allocs/op
sonnet.Unmarshal 21366 ns/op 18384 B/op 63 allocs/op
sonic ██████████████████████████████████████████████████████████████████████████▍ 18.60
easyjson ████████████████████████████████████████████████████████▍ 14.12
goccy █████████████████████████▏ 6.30
ffjson █████████████████████▌ 5.39
codec █████████████████████▌ 5.38
jsoniter █████████████████▏ 4.30
json2 ██████████▍ 2.62
sonnet ██████████▏ 2.54
json ▓▓▓▓ 1.00
segment ███▋ 0.94
jsonparser >>> not supported <<<
sonic-v >>> not supported <<<
gjson-v >>> not supported <<<
djson >>> not supported <<<
gjson >>> not supported <<<
simdjson >>> not supported <<<
fastjson >>> not supported <<<
Marshal StringUnicode generically
json.Marshal 26138 ns/op 23042 B/op 122 allocs/op
json2.Marshal 24904 ns/op 19560 B/op 65 allocs/op
fastjson >>> not supported <<<
jsoniter.Marshal 11566 ns/op 18561 B/op 4 allocs/op
jsonparser >>> not supported <<<
goccy.Marshal 22563 ns/op 18442 B/op 1 allocs/op
segment.Marshal 22335 ns/op 18433 B/op 1 allocs/op
simdjson >>> not supported <<<
gjson >>> not supported <<<
gjson-v >>> not supported <<<
sonic.Marshal 3109 ns/op 18519 B/op 4 allocs/op
sonic-v >>> not supported <<<
codec.Marshal 22907 ns/op 84504 B/op 13 allocs/op
djson >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
sonnet.Marshal 24016 ns/op 18776 B/op 5 allocs/op
sonic █████████████████████████████████▋ 8.41
jsoniter █████████ 2.26
segment ████▋ 1.17
goccy ████▋ 1.16
codec ████▌ 1.14
sonnet ████▎ 1.09
json2 ████▏ 1.05
json ▓▓▓▓ 1.00
jsonparser >>> not supported <<<
gjson-v >>> not supported <<<
gjson >>> not supported <<<
sonic-v >>> not supported <<<
simdjson >>> not supported <<<
djson >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
fastjson >>> not supported <<<
Marshal StringUnicode from struct
json.Marshal 17270 ns/op 18433 B/op 1 allocs/op
json2.Marshal 16141 ns/op 18435 B/op 1 allocs/op
fastjson >>> not supported <<<
jsoniter.Marshal 10541 ns/op 18441 B/op 2 allocs/op
jsonparser >>> not supported <<<
goccy.Marshal 16427 ns/op 18434 B/op 1 allocs/op
segment.Marshal 17192 ns/op 18433 B/op 1 allocs/op
simdjson >>> not supported <<<
gjson >>> not supported <<<
gjson-v >>> not supported <<<
sonic.Marshal 2144 ns/op 18527 B/op 4 allocs/op
sonic-v >>> not supported <<<
codec.Marshal 22736 ns/op 84504 B/op 13 allocs/op
djson >>> not supported <<<
ffjson.Marshal 18691 ns/op 50615 B/op 67 allocs/op
easyjson.Marshal 15109 ns/op 19274 B/op 11 allocs/op
sonnet.Marshal 18415 ns/op 18776 B/op 5 allocs/op
sonic ████████████████████████████████▏ 8.06
jsoniter ██████▌ 1.64
easyjson ████▌ 1.14
json2 ████▎ 1.07
goccy ████▏ 1.05
segment ████ 1.00
json ▓▓▓▓ 1.00
sonnet ███▊ 0.94
ffjson ███▋ 0.92
codec ███ 0.76
jsonparser >>> not supported <<<
sonic-v >>> not supported <<<
gjson-v >>> not supported <<<
djson >>> not supported <<<
gjson >>> not supported <<<
simdjson >>> not supported <<<
fastjson >>> not supported <<<
Unmarshal single record (2kb), read few keys generically
json.Unmarshal 16811 ns/op 12488 B/op 21 allocs/op
json2 >>> not supported <<<
fastjson.Unmarshal 4533 ns/op 12034 B/op 7 allocs/op
jsoniter >>> not supported <<<
jsonparser.Unmarshal 4715 ns/op 12208 B/op 17 allocs/op
goccy >>> not supported <<<
segment >>> not supported <<<
simdjson >>> not supported <<<
gjson.Unmarshal 5504 ns/op 16368 B/op 9 allocs/op
gjson-v.Unmarshal 8209 ns/op 16368 B/op 9 allocs/op
sonic.Unmarshal 3258 ns/op 4852 B/op 12 allocs/op
sonic-v.Unmarshal 5368 ns/op 4851 B/op 12 allocs/op
codec >>> not supported <<<
djson >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
sonnet >>> not supported <<<
sonic ████████████████████▋ 5.16
fastjson ██████████████▊ 3.71
jsonparser ██████████████▎ 3.57
sonic-v ████████████▌ 3.13
gjson ████████████▏ 3.05
gjson-v ████████▏ 2.05
json ▓▓▓▓ 1.00
goccy >>> not supported <<<
segment >>> not supported <<<
simdjson >>> not supported <<<
jsoniter >>> not supported <<<
json2 >>> not supported <<<
codec >>> not supported <<<
djson >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
sonnet >>> not supported <<<
Unmarshal single record (2kb), read few keys into struct
json.Unmarshal 17171 ns/op 12488 B/op 21 allocs/op
json2.Unmarshal 6285 ns/op 128 B/op 6 allocs/op
fastjson.Unmarshal 4520 ns/op 12080 B/op 10 allocs/op
jsoniter.Unmarshal 7381 ns/op 14056 B/op 84 allocs/op
jsonparser.Unmarshal 4725 ns/op 12208 B/op 17 allocs/op
goccy.Unmarshal 5075 ns/op 16131 B/op 7 allocs/op
segment.Unmarshal 9755 ns/op 12064 B/op 12 allocs/op
simdjson >>> not supported <<<
gjson.Unmarshal 5563 ns/op 16400 B/op 10 allocs/op
gjson-v.Unmarshal 8198 ns/op 16400 B/op 10 allocs/op
sonic.Unmarshal 5160 ns/op 8644 B/op 11 allocs/op
sonic-v.Unmarshal 7094 ns/op 8653 B/op 11 allocs/op
codec.Unmarshal 6475 ns/op 13240 B/op 15 allocs/op
djson >>> not supported <<<
ffjson.Unmarshal 14638 ns/op 14185 B/op 36 allocs/op
easyjson.Unmarshal 12580 ns/op 12320 B/op 16 allocs/op
sonnet.Unmarshal 7035 ns/op 12370 B/op 21 allocs/op
* fastjson ███████████████▏ 3.80
* jsonparser ██████████████▌ 3.63
goccy █████████████▌ 3.38
sonic █████████████▎ 3.33
* gjson ████████████▎ 3.09
json2 ██████████▉ 2.73
codec ██████████▌ 2.65
sonnet █████████▊ 2.44
sonic-v █████████▋ 2.42
jsoniter █████████▎ 2.33
* gjson-v ████████▍ 2.09
segment ███████ 1.76
easyjson █████▍ 1.36
ffjson ████▋ 1.17
json ▓▓▓▓ 1.00
simdjson >>> not supported <<<
djson >>> not supported <<<
Unmarshal single record (2kb), read all keys generically
json.Unmarshal 22109 ns/op 29776 B/op 340 allocs/op
json2.Unmarshal 17582 ns/op 15537 B/op 295 allocs/op
fastjson.Unmarshal 7252 ns/op 13608 B/op 73 allocs/op
jsoniter.Unmarshal 16745 ns/op 31681 B/op 457 allocs/op
jsonparser.Unmarshal 13157 ns/op 14528 B/op 135 allocs/op
goccy.Unmarshal 15850 ns/op 34515 B/op 398 allocs/op
segment.Unmarshal 53950 ns/op 173240 B/op 475 allocs/op
simdjson.Unmarshal 17249 ns/op 132224 B/op 82 allocs/op
gjson.Unmarshal 12612 ns/op 18336 B/op 76 allocs/op
gjson-v.Unmarshal 15700 ns/op 18336 B/op 76 allocs/op
sonic.Unmarshal 12044 ns/op 27012 B/op 59 allocs/op
sonic-v.Unmarshal 14109 ns/op 27017 B/op 59 allocs/op
codec.Unmarshal 27885 ns/op 19456 B/op 435 allocs/op
djson.Unmarshal 11561 ns/op 32168 B/op 183 allocs/op
ffjson >>> not supported <<<
easyjson >>> not supported <<<
sonnet.Unmarshal 12115 ns/op 30352 B/op 341 allocs/op
fastjson ████████████▏ 3.05
djson ███████▋ 1.91
sonic ███████▎ 1.84
sonnet ███████▎ 1.82
gjson ███████ 1.75
jsonparser ██████▋ 1.68
sonic-v ██████▎ 1.57
gjson-v █████▋ 1.41
goccy █████▌ 1.39
jsoniter █████▎ 1.32
simdjson █████▏ 1.28
json2 █████ 1.26
json ▓▓▓▓ 1.00
codec ███▏ 0.79
segment █▋ 0.41
ffjson >>> not supported <<<
easyjson >>> not supported <<<
Unmarshal single record (2kb), read all keys into struct
json.Unmarshal 22123 ns/op 14608 B/op 80 allocs/op
json2.Unmarshal 9718 ns/op 3104 B/op 35 allocs/op
fastjson >>> not supported <<<
jsoniter.Unmarshal 7777 ns/op 14384 B/op 77 allocs/op
jsonparser >>> not supported <<<
goccy.Unmarshal 5844 ns/op 16138 B/op 7 allocs/op
segment.Unmarshal 16147 ns/op 13680 B/op 73 allocs/op
simdjson >>> not supported <<<
gjson >>> not supported <<<
gjson-v >>> not supported <<<
sonic.Unmarshal 5512 ns/op 9227 B/op 9 allocs/op
sonic-v.Unmarshal 7630 ns/op 9234 B/op 9 allocs/op
codec.Unmarshal 9464 ns/op 14536 B/op 72 allocs/op
djson >>> not supported <<<
ffjson.Unmarshal 11124 ns/op 16786 B/op 113 allocs/op
easyjson.Unmarshal 8930 ns/op 15888 B/op 94 allocs/op
sonnet.Unmarshal 9096 ns/op 17070 B/op 112 allocs/op
sonic ████████████████ 4.01
goccy ███████████████▏ 3.79
sonic-v ███████████▌ 2.90
jsoniter ███████████▍ 2.84
easyjson █████████▉ 2.48
sonnet █████████▋ 2.43
codec █████████▎ 2.34
json2 █████████ 2.28
ffjson ███████▉ 1.99
segment █████▍ 1.37
json ▓▓▓▓ 1.00
jsonparser >>> not supported <<<
gjson-v >>> not supported <<<
djson >>> not supported <<<
gjson >>> not supported <<<
simdjson >>> not supported <<<
fastjson >>> not supported <<<
Unmarshal many records (2kb each) from small file (100MB), read few keys generically
json.Unmarshal 462480203 ns/op 21756058 B/op 394052 allocs/op
json2 >>> not supported <<<
fastjson.Unmarshal 82742770 ns/op 2533390 B/op 39470 allocs/op
jsoniter >>> not supported <<<
jsonparser.Unmarshal 60570679 ns/op 4614566 B/op 177366 allocs/op
goccy >>> not supported <<<
segment >>> not supported <<<
simdjson.Unmarshal 55404783 ns/op 623113625 B/op 39635 allocs/op
gjson.Unmarshal 82261617 ns/op 105924736 B/op 39406 allocs/op
gjson-v.Unmarshal 167015961 ns/op 105924736 B/op 39406 allocs/op
sonic.Unmarshal 33074794 ns/op 2843970 B/op 78811 allocs/op
sonic-v.Unmarshal 107984365 ns/op 2841749 B/op 78811 allocs/op
codec >>> not supported <<<
djson >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
sonnet >>> not supported <<<
sonic ███████████████████████████████████████████████████████▉ 13.98
simdjson █████████████████████████████████▍ 8.35
jsonparser ██████████████████████████████▌ 7.64
gjson ██████████████████████▍ 5.62
fastjson ██████████████████████▎ 5.59
sonic-v █████████████████▏ 4.28
gjson-v ███████████ 2.77
json ▓▓▓▓ 1.00
json2 >>> not supported <<<
segment >>> not supported <<<
jsoniter >>> not supported <<<
goccy >>> not supported <<<
codec >>> not supported <<<
djson >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
sonnet >>> not supported <<<
Unmarshal many records (2kb each) from small file (100MB), read few keys into struct
json.Unmarshal 440616257 ns/op 21755674 B/op 394051 allocs/op
json2.Unmarshal 202403672 ns/op 16782 B/op 64 allocs/op
fastjson.Unmarshal 79826813 ns/op 2533390 B/op 39470 allocs/op
jsoniter.Unmarshal 199038416 ns/op 89012049 B/op 3979908 allocs/op
jsonparser.Unmarshal 62052158 ns/op 4614566 B/op 177366 allocs/op
goccy.Unmarshal 82650913 ns/op 105933909 B/op 39416 allocs/op
segment.Unmarshal 213258620 ns/op 2526041 B/op 39406 allocs/op
simdjson.Unmarshal 58100800 ns/op 616506667 B/op 39632 allocs/op
gjson.Unmarshal 85115398 ns/op 105924744 B/op 39406 allocs/op
gjson-v.Unmarshal 170529040 ns/op 105924752 B/op 39406 allocs/op
sonic.Unmarshal 105638249 ns/op 107296600 B/op 78814 allocs/op
sonic-v.Unmarshal 180855338 ns/op 107487698 B/op 78819 allocs/op
codec.Unmarshal 111876865 ns/op 48866307 B/op 157621 allocs/op
djson >>> not supported <<<
ffjson.Unmarshal 261120890 ns/op 67792052 B/op 591084 allocs/op
easyjson.Unmarshal 360334074 ns/op 2527848 B/op 39411 allocs/op
sonnet.Unmarshal 140695046 ns/op 7649930 B/op 88672 allocs/op
* simdjson ██████████████████████████████▎ 7.58
* jsonparser ████████████████████████████▍ 7.10
* fastjson ██████████████████████ 5.52
goccy █████████████████████▎ 5.33
* gjson ████████████████████▋ 5.18
sonic ████████████████▋ 4.17
codec ███████████████▊ 3.94
sonnet ████████████▌ 3.13
* gjson-v ██████████▎ 2.58
sonic-v █████████▋ 2.44
jsoniter ████████▊ 2.21
json2 ████████▋ 2.18
segment ████████▎ 2.07
ffjson ██████▋ 1.69
easyjson ████▉ 1.22
json ▓▓▓▓ 1.00
djson >>> not supported <<<
Unmarshal many records (2kb each) from small file (100MB), read all keys generically
json.Unmarshal 754451642 ns/op 743935208 B/op 14315094 allocs/op
json2.Unmarshal 652682656 ns/op 692712324 B/op 11948210 allocs/op
fastjson.Unmarshal 206168785 ns/op 66540390 B/op 2876746 allocs/op
jsoniter.Unmarshal 629315000 ns/op 819030712 B/op 19201308 allocs/op
jsonparser.Unmarshal 497189904 ns/op 105248237 B/op 5437891 allocs/op
goccy.Unmarshal 582491652 ns/op 876422088 B/op 16797521 allocs/op
segment.Unmarshal 2365200180 ns/op 6770681184 B/op 19978341 allocs/op
simdjson.Unmarshal 169647308 ns/op 688361966 B/op 2758577 allocs/op
gjson.Unmarshal 452640619 ns/op 196083413 B/op 2994781 allocs/op
gjson-v.Unmarshal 558415469 ns/op 196083392 B/op 2994781 allocs/op
sonic.Unmarshal 386595946 ns/op 889762610 B/op 2285517 allocs/op
sonic-v.Unmarshal 472349945 ns/op 889707816 B/op 2285514 allocs/op
codec.Unmarshal 1073348145 ns/op 312883216 B/op 18323501 allocs/op
djson.Unmarshal 386343714 ns/op 770795954 B/op 7537406 allocs/op
ffjson >>> not supported <<<
easyjson >>> not supported <<<
sonnet.Unmarshal 434009834 ns/op 760643714 B/op 14245930 allocs/op
simdjson █████████████████▊ 4.45
fastjson ██████████████▋ 3.66
djson ███████▊ 1.95
sonic ███████▊ 1.95
sonnet ██████▉ 1.74
gjson ██████▋ 1.67
sonic-v ██████▍ 1.60
jsonparser ██████ 1.52
gjson-v █████▍ 1.35
goccy █████▏ 1.30
jsoniter ████▊ 1.20
json2 ████▌ 1.16
json ▓▓▓▓ 1.00
codec ██▊ 0.70
segment █▎ 0.32
ffjson >>> not supported <<<
easyjson >>> not supported <<<
Unmarshal many records (2kb each) from small file (100MB), read all keys into struct
json.Unmarshal 660889293 ns/op 110920456 B/op 3113019 allocs/op
json2.Unmarshal 383399684 ns/op 129761162 B/op 1801316 allocs/op
fastjson >>> not supported <<<
jsoniter.Unmarshal 220380775 ns/op 97208107 B/op 2955386 allocs/op
jsonparser >>> not supported <<<
goccy.Unmarshal 132661459 ns/op 105993936 B/op 39508 allocs/op
segment.Unmarshal 553316389 ns/op 68879048 B/op 2797773 allocs/op
simdjson >>> not supported <<<
gjson >>> not supported <<<
gjson-v >>> not supported <<<
sonic.Unmarshal 141257183 ns/op 133160446 B/op 157628 allocs/op
sonic-v.Unmarshal 217593987 ns/op 133196484 B/op 157634 allocs/op
codec.Unmarshal 302149239 ns/op 102057732 B/op 2718954 allocs/op
djson >>> not supported <<<
ffjson.Unmarshal 377911694 ns/op 217787789 B/op 4689215 allocs/op
easyjson.Unmarshal 262566180 ns/op 170469542 B/op 3822296 allocs/op
sonnet.Unmarshal 291645685 ns/op 212511236 B/op 4817275 allocs/op
goccy ███████████████████▉ 4.98
sonic ██████████████████▋ 4.68
sonic-v ████████████▏ 3.04
jsoniter ███████████▉ 3.00
easyjson ██████████ 2.52
sonnet █████████ 2.27
codec ████████▋ 2.19
ffjson ██████▉ 1.75
json2 ██████▉ 1.72
segment ████▊ 1.19
json ▓▓▓▓ 1.00
jsonparser >>> not supported <<<
gjson-v >>> not supported <<<
djson >>> not supported <<<
gjson >>> not supported <<<
simdjson >>> not supported <<<
fastjson >>> not supported <<<
Unmarshal many records (25kb each) from semi-large file (5GB), read few keys generically
json.Unmarshal 20514828640 ns/op 116288976 B/op 2105576 allocs/op
json2 >>> not supported <<<
fastjson.Unmarshal 3322266875 ns/op 14463336 B/op 218594 allocs/op
jsoniter >>> not supported <<<
jsonparser.Unmarshal 2057975153 ns/op 24696400 B/op 947400 allocs/op
goccy >>> not supported <<<
segment >>> not supported <<<
simdjson.Unmarshal 1128456302 ns/op 2317987480 B/op 217335 allocs/op
gjson.Unmarshal 3183278889 ns/op 5740687584 B/op 210562 allocs/op
gjson-v.Unmarshal 7152873085 ns/op 5740687680 B/op 210563 allocs/op
sonic.Unmarshal 753822448 ns/op 15285540 B/op 421122 allocs/op
sonic-v.Unmarshal 4324609816 ns/op 15308568 B/op 421125 allocs/op
codec >>> not supported <<<
djson >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
sonnet >>> not supported <<<
sonic ████████████████████████████████████████████████████████████████████████████████████████████████████████████▊ 27.21
simdjson ████████████████████████████████████████████████████████████████████████▋ 18.18
jsonparser ███████████████████████████████████████▊ 9.97
gjson █████████████████████████▊ 6.44
fastjson ████████████████████████▋ 6.17
sonic-v ██████████████████▉ 4.74
gjson-v ███████████▍ 2.87
json ▓▓▓▓ 1.00
json2 >>> not supported <<<
segment >>> not supported <<<
jsoniter >>> not supported <<<
goccy >>> not supported <<<
codec >>> not supported <<<
djson >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
sonnet >>> not supported <<<
Unmarshal many records (25kb each) from semi-large file (5GB), read few keys into struct
json.Unmarshal 20317809829 ns/op 116288976 B/op 2105576 allocs/op
json2.Unmarshal 9032656253 ns/op 21080 B/op 72 allocs/op
fastjson.Unmarshal 3303466255 ns/op 14463336 B/op 218594 allocs/op
jsoniter.Unmarshal 9052638753 ns/op 4649567072 B/op 210767642 allocs/op
jsonparser.Unmarshal 2060464169 ns/op 24696400 B/op 947400 allocs/op
goccy.Unmarshal 3509143094 ns/op 5741056368 B/op 210995 allocs/op
segment.Unmarshal 8236836487 ns/op 13537216 B/op 210563 allocs/op
simdjson.Unmarshal 1437336521 ns/op 2218407648 B/op 217173 allocs/op
gjson.Unmarshal 3172437334 ns/op 5740687488 B/op 210561 allocs/op
gjson-v.Unmarshal 7224891728 ns/op 5740687584 B/op 210562 allocs/op
sonic.Unmarshal 4293992892 ns/op 5752825000 B/op 421255 allocs/op
sonic-v.Unmarshal 7776198800 ns/op 5753842744 B/op 421385 allocs/op
codec.Unmarshal 4256501488 ns/op 261152232 B/op 842234 allocs/op
djson >>> not supported <<<
ffjson.Unmarshal 10682830428 ns/op 362267224 B/op 3158419 allocs/op
easyjson.Unmarshal 16788012574 ns/op 13542952 B/op 210583 allocs/op
sonnet.Unmarshal 5909597907 ns/op 40935856 B/op 474066 allocs/op
* simdjson ████████████████████████████████████████████████████████▌ 14.14
* jsonparser ███████████████████████████████████████▍ 9.86
* gjson █████████████████████████▌ 6.40
* fastjson ████████████████████████▌ 6.15
goccy ███████████████████████▏ 5.79
codec ███████████████████ 4.77
sonic ██████████████████▉ 4.73
sonnet █████████████▊ 3.44
* gjson-v ███████████▏ 2.81
sonic-v ██████████▍ 2.61
segment █████████▊ 2.47
json2 ████████▉ 2.25
jsoniter ████████▉ 2.24
ffjson ███████▌ 1.90
easyjson ████▊ 1.21
json ▓▓▓▓ 1.00
djson >>> not supported <<<
Unmarshal many records from (25kb each) semi-large file (5GB), read all keys generically
json.Unmarshal 35174089142 ns/op 37173091824 B/op 701323233 allocs/op
json2.Unmarshal 30087611531 ns/op 35258025952 B/op 579260512 allocs/op
fastjson.Unmarshal 9550894046 ns/op 3342949112 B/op 142344575 allocs/op
jsoniter.Unmarshal 30559321568 ns/op 41727145640 B/op 960517839 allocs/op
jsonparser.Unmarshal 24024196128 ns/op 5294191672 B/op 273513554 allocs/op
goccy.Unmarshal 27500553268 ns/op 44759951792 B/op 833135290 allocs/op
segment.Unmarshal 116244224334 ns/op 341651379576 B/op 995513943 allocs/op
simdjson.Unmarshal 6755738193 ns/op 27136803824 B/op 137924682 allocs/op
gjson.Unmarshal 23206073684 ns/op 10406631856 B/op 146758239 allocs/op
gjson-v.Unmarshal 27525123774 ns/op 10406631296 B/op 146758235 allocs/op
sonic.Unmarshal 18515060510 ns/op 44947706216 B/op 111175205 allocs/op
sonic-v.Unmarshal 22230097055 ns/op 44946642936 B/op 111175197 allocs/op
codec.Unmarshal 52829223324 ns/op 13510675472 B/op 905186189 allocs/op
djson.Unmarshal 18041584974 ns/op 39791204944 B/op 375169017 allocs/op
ffjson >>> not supported <<<
easyjson >>> not supported <<<
sonnet.Unmarshal 20571237096 ns/op 35929463440 B/op 699112538 allocs/op
simdjson ████████████████████▊ 5.21
fastjson ██████████████▋ 3.68
djson ███████▊ 1.95
sonic ███████▌ 1.90
sonnet ██████▊ 1.71
sonic-v ██████▎ 1.58
gjson ██████ 1.52
jsonparser █████▊ 1.46
goccy █████ 1.28
gjson-v █████ 1.28
json2 ████▋ 1.17
jsoniter ████▌ 1.15
json ▓▓▓▓ 1.00
codec ██▋ 0.67
segment █▏ 0.30
ffjson >>> not supported <<<
easyjson >>> not supported <<<
Unmarshal many records from (25kb each) semi-large file (5GB), read all keys into struct
json.Unmarshal 31258995701 ns/op 4443559312 B/op 137915228 allocs/op
json2.Unmarshal 19497175880 ns/op 6894666336 B/op 94346704 allocs/op
fastjson >>> not supported <<<
jsoniter.Unmarshal 10237784788 ns/op 5003334632 B/op 150338165 allocs/op
jsonparser >>> not supported <<<
goccy.Unmarshal 5797626425 ns/op 5744199560 B/op 215210 allocs/op
segment.Unmarshal 25441911438 ns/op 3491108088 B/op 141915737 allocs/op
simdjson >>> not supported <<<
gjson >>> not supported <<<
gjson-v >>> not supported <<<
sonic.Unmarshal 6222656282 ns/op 7132244760 B/op 4632758 allocs/op
sonic-v.Unmarshal 9927829760 ns/op 7138095576 B/op 4632973 allocs/op
codec.Unmarshal 13393824473 ns/op 3062217968 B/op 133914572 allocs/op
djson >>> not supported <<<
ffjson.Unmarshal 16833904321 ns/op 10023436984 B/op 215400711 allocs/op
easyjson.Unmarshal 11714213495 ns/op 8946289824 B/op 198555754 allocs/op
sonnet.Unmarshal 12764908711 ns/op 8218829088 B/op 236144932 allocs/op
goccy █████████████████████▌ 5.39
sonic ████████████████████ 5.02
sonic-v ████████████▌ 3.15
jsoniter ████████████▏ 3.05
easyjson ██████████▋ 2.67
sonnet █████████▊ 2.45
codec █████████▎ 2.33
ffjson ███████▍ 1.86
json2 ██████▍ 1.60
segment ████▉ 1.23
json ▓▓▓▓ 1.00
jsonparser >>> not supported <<<
gjson-v >>> not supported <<<
djson >>> not supported <<<
gjson >>> not supported <<<
simdjson >>> not supported <<<
fastjson >>> not supported <<<
Marshal custom data through an object builder
json.Marshal 970 ns/op 688 B/op 17 allocs/op
json2 >>> not supported <<<
fastjson.Marshal 541 ns/op 679 B/op 6 allocs/op
jsoniter >>> not supported <<<
jsonparser >>> not supported <<<
goccy >>> not supported <<<
segment >>> not supported <<<
simdjson >>> not supported <<<
gjson.Marshal 1653 ns/op 3024 B/op 27 allocs/op
gjson-v >>> not supported <<<
sonic.Marshal 685 ns/op 1803 B/op 14 allocs/op
sonic-v >>> not supported <<<
codec >>> not supported <<<
djson >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
sonnet >>> not supported <<<
fastjson ███████▏ 1.79
sonic █████▋ 1.42
json ▓▓▓▓ 1.00
gjson ██▎ 0.59
jsonparser >>> not supported <<<
goccy >>> not supported <<<
segment >>> not supported <<<
simdjson >>> not supported <<<
jsoniter >>> not supported <<<
gjson-v >>> not supported <<<
json2 >>> not supported <<<
sonic-v >>> not supported <<<
codec >>> not supported <<<
djson >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
sonnet >>> not supported <<<
Validate []byte
json.Validate 6280 ns/op 0 B/op 0 allocs/op
json2 >>> not supported <<<
fastjson.Validate 2659 ns/op 0 B/op 0 allocs/op
jsoniter.Validate 4537 ns/op 2184 B/op 100 allocs/op
jsonparser >>> not supported <<<
goccy.Validate 15814 ns/op 27584 B/op 463 allocs/op
segment.Validate 4277 ns/op 0 B/op 0 allocs/op
simdjson >>> not supported <<<
gjson.Validate 2473 ns/op 0 B/op 0 allocs/op
gjson-v >>> not supported <<<
sonic.Validate 2036 ns/op 0 B/op 0 allocs/op
sonic-v >>> not supported <<<
codec >>> not supported <<<
djson >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
sonnet.Validate 3885 ns/op 0 B/op 0 allocs/op
sonic ████████████▎ 3.08
gjson ██████████▏ 2.54
fastjson █████████▍ 2.36
sonnet ██████▍ 1.62
segment █████▊ 1.47
jsoniter █████▌ 1.38
json ▓▓▓▓ 1.00
goccy █▌ 0.40
jsonparser >>> not supported <<<
gjson-v >>> not supported <<<
simdjson >>> not supported <<<
sonic-v >>> not supported <<<
codec >>> not supported <<<
djson >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
json2 >>> not supported <<<
Validate string
json.Validate 6226 ns/op 0 B/op 0 allocs/op
json2 >>> not supported <<<
fastjson.Validate 3133 ns/op 4096 B/op 1 allocs/op
jsoniter >>> not supported <<<
jsonparser >>> not supported <<<
goccy >>> not supported <<<
segment >>> not supported <<<
simdjson >>> not supported <<<
gjson.Validate 2803 ns/op 4096 B/op 1 allocs/op
gjson-v >>> not supported <<<
sonic.Validate 2414 ns/op 4097 B/op 1 allocs/op
sonic-v >>> not supported <<<
codec >>> not supported <<<
djson >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
sonnet >>> not supported <<<
sonic ██████████▎ 2.58
gjson ████████▉ 2.22
fastjson ███████▉ 1.99
json ▓▓▓▓ 1.00
jsonparser >>> not supported <<<
goccy >>> not supported <<<
segment >>> not supported <<<
simdjson >>> not supported <<<
jsoniter >>> not supported <<<
gjson-v >>> not supported <<<
json2 >>> not supported <<<
sonic-v >>> not supported <<<
codec >>> not supported <<<
djson >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
sonnet >>> not supported <<<
Higher values (longer bars) are better in all cases. The bar graph compares the
parsing performance. The lighter colored bar is the reference, the go json
package.
Tests run on:
OS: Ubuntu 22.04.4 LTS
Processor: 13th Gen Intel(R) Core(TM) i9-13900KF
Cores: 32
Processor Speed: 3.00GHz
Memory: 32 GB
Unmarshal CanadaGeometry generically
json.Unmarshal 3034549 ns/op 1339378 B/op 52215 allocs/op
json2.Unmarshal 2278847 ns/op 1011506 B/op 37898 allocs/op
fastjson.Unmarshal 2629451 ns/op 8725354 B/op 30278 allocs/op
jsoniter.Unmarshal 3540041 ns/op 1961486 B/op 84971 allocs/op
jsonparser.Unmarshal 2196386 ns/op 152 B/op 12 allocs/op
goccy.Unmarshal 2479452 ns/op 1470566 B/op 59189 allocs/op
segment.Unmarshal 4699809 ns/op 2119754 B/op 51680 allocs/op
simdjson >>> not supported <<<
gjson.Unmarshal 3647629 ns/op 393072 B/op 14314 allocs/op
gjson-v >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
codec.Unmarshal 3305211 ns/op 1765857 B/op 37408 allocs/op
djson.Unmarshal 1837730 ns/op 1289905 B/op 37891 allocs/op
ffjson >>> not supported <<<
easyjson >>> not supported <<<
sonnet.Unmarshal 1340649 ns/op 1011609 B/op 37903 allocs/op
sonnet █████████ 2.26
* djson ██████▌ 1.65
* jsonparser █████▌ 1.38
json2 █████▎ 1.33
goccy ████▉ 1.22
* fastjson ████▌ 1.15
json ▓▓▓▓ 1.00
codec ███▋ 0.92
jsoniter ███▍ 0.86
* gjson ███▎ 0.83
segment ██▌ 0.65
gjson-v >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
simdjson >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
Unmarshal CanadaGeometry into struct
json.Unmarshal 2537375 ns/op 472 B/op 13 allocs/op
json2.Unmarshal 1545628 ns/op 347966 B/op 1626 allocs/op
fastjson >>> not supported <<<
jsoniter.Unmarshal 1884944 ns/op 598762 B/op 25122 allocs/op
jsonparser >>> not supported <<<
goccy.Unmarshal 955226 ns/op 278639 B/op 1 allocs/op
segment.Unmarshal 984588 ns/op 48 B/op 4 allocs/op
simdjson >>> not supported <<<
gjson >>> not supported <<<
gjson-v >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
codec.Unmarshal 1654764 ns/op 1224 B/op 7 allocs/op
djson >>> not supported <<<
ffjson.Unmarshal 3399510 ns/op 536616 B/op 25 allocs/op
easyjson.Unmarshal 1181144 ns/op 330368 B/op 753 allocs/op
sonnet.Unmarshal 613259 ns/op 143100 B/op 967 allocs/op
sonnet ████████████████▌ 4.14
goccy ██████████▋ 2.66
segment ██████████▎ 2.58
easyjson ████████▌ 2.15
json2 ██████▌ 1.64
codec ██████▏ 1.53
jsoniter █████▍ 1.35
json ▓▓▓▓ 1.00
ffjson ██▉ 0.75
jsonparser >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
gjson-v >>> not supported <<<
djson >>> not supported <<<
gjson >>> not supported <<<
simdjson >>> not supported <<<
fastjson >>> not supported <<<
Marshal CanadaGeometry generically
json.Marshal 1572630 ns/op 280515 B/op 21 allocs/op
json2.Marshal 1237422 ns/op 279979 B/op 7 allocs/op
fastjson >>> not supported <<<
jsoniter.Marshal 615976 ns/op 172550 B/op 13 allocs/op
jsonparser >>> not supported <<<
goccy.Marshal 1508711 ns/op 282048 B/op 3 allocs/op
segment.Marshal 1166772 ns/op 279718 B/op 1 allocs/op
simdjson >>> not supported <<<
gjson >>> not supported <<<
gjson-v >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
codec.Marshal 1288937 ns/op 1186328 B/op 22 allocs/op
djson >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
sonnet.Marshal 1033115 ns/op 278898 B/op 5 allocs/op
jsoniter ██████████▏ 2.55
sonnet ██████ 1.52
segment █████▍ 1.35
json2 █████ 1.27
codec ████▉ 1.22
goccy ████▏ 1.04
json ▓▓▓▓ 1.00
jsonparser >>> not supported <<<
gjson >>> not supported <<<
gjson-v >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
simdjson >>> not supported <<<
djson >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
fastjson >>> not supported <<<
Marshal CanadaGeometry from struct
json.Marshal 1137360 ns/op 279537 B/op 1 allocs/op
json2.Marshal 1173418 ns/op 279717 B/op 1 allocs/op
fastjson >>> not supported <<<
jsoniter.Marshal 266703 ns/op 172198 B/op 2 allocs/op
jsonparser >>> not supported <<<
goccy.Marshal 1101141 ns/op 279636 B/op 1 allocs/op
segment.Marshal 1020240 ns/op 278539 B/op 1 allocs/op
simdjson >>> not supported <<<
gjson >>> not supported <<<
gjson-v >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
codec.Marshal 1228641 ns/op 1186329 B/op 22 allocs/op
djson >>> not supported <<<
ffjson.Marshal 2090272 ns/op 1061448 B/op 14391 allocs/op
easyjson.Marshal 1014245 ns/op 280259 B/op 20 allocs/op
sonnet.Marshal 1073308 ns/op 278883 B/op 5 allocs/op
jsoniter █████████████████ 4.26
easyjson ████▍ 1.12
segment ████▍ 1.11
sonnet ████▏ 1.06
goccy ████▏ 1.03
json ▓▓▓▓ 1.00
json2 ███▉ 0.97
codec ███▋ 0.93
ffjson ██▏ 0.54
jsonparser >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
gjson-v >>> not supported <<<
djson >>> not supported <<<
gjson >>> not supported <<<
simdjson >>> not supported <<<
fastjson >>> not supported <<<
Unmarshal CITMCatalog generically
json.Unmarshal 11565822 ns/op 5123809 B/op 95373 allocs/op
json2.Unmarshal 4470880 ns/op 4958530 B/op 80513 allocs/op
fastjson.Unmarshal 4678082 ns/op 19991465 B/op 45701 allocs/op
jsoniter.Unmarshal 5618385 ns/op 5573039 B/op 118756 allocs/op
jsonparser.Unmarshal 11337876 ns/op 145320 B/op 15863 allocs/op
goccy.Unmarshal 5485505 ns/op 7416289 B/op 123577 allocs/op
segment.Unmarshal 20465561 ns/op 55526618 B/op 123714 allocs/op
simdjson >>> not supported <<<
gjson.Unmarshal 7891151 ns/op 1855520 B/op 15131 allocs/op
gjson-v >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
codec.Unmarshal 9288137 ns/op 6195165 B/op 159476 allocs/op
djson.Unmarshal 4886967 ns/op 6437625 B/op 54480 allocs/op
ffjson >>> not supported <<<
easyjson >>> not supported <<<
sonnet.Unmarshal 3450809 ns/op 4968478 B/op 80980 allocs/op
sonnet █████████████▍ 3.35
json2 ██████████▎ 2.59
* fastjson █████████▉ 2.47
* djson █████████▍ 2.37
goccy ████████▍ 2.11
jsoniter ████████▏ 2.06
* gjson █████▊ 1.47
codec ████▉ 1.25
* jsonparser ████ 1.02
json ▓▓▓▓ 1.00
segment ██▎ 0.57
simdjson >>> not supported <<<
gjson-v >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
Unmarshal CITMCatalog into struct
json.Unmarshal 10483322 ns/op 253352 B/op 10950 allocs/op
json2.Unmarshal 2667536 ns/op 888438 B/op 6293 allocs/op
fastjson >>> not supported <<<
jsoniter.Unmarshal 1944816 ns/op 72333 B/op 2535 allocs/op
jsonparser >>> not supported <<<
goccy.Unmarshal 1398819 ns/op 1781378 B/op 2226 allocs/op
segment.Unmarshal 1620055 ns/op 52384 B/op 1354 allocs/op
simdjson >>> not supported <<<
gjson >>> not supported <<<
gjson-v >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
codec.Unmarshal 2379880 ns/op 47880 B/op 1036 allocs/op
djson >>> not supported <<<
ffjson.Unmarshal >>> ffjson error: (*errors.errorString)cannot unmarshal tok:string into Go value for int64 offset=40 line=3 char=19 <<<
easyjson.Unmarshal 2765223 ns/op 896620 B/op 5704 allocs/op
sonnet.Unmarshal 2450373 ns/op 612948 B/op 13348 allocs/op
goccy █████████████████████████████▉ 7.49
segment █████████████████████████▉ 6.47
jsoniter █████████████████████▌ 5.39
codec █████████████████▌ 4.40
sonnet █████████████████ 4.28
json2 ███████████████▋ 3.93
easyjson ███████████████▏ 3.79
json ▓▓▓▓ 1.00
jsonparser >>> not supported <<<
gjson-v >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
gjson >>> not supported <<<
djson >>> not supported <<<
ffjson >>> ffjson error: (*errors.errorString)cannot unmarshal tok:string into Go value for int64 offset=40 line=3 char=19 <<<
simdjson >>> not supported <<<
fastjson >>> not supported <<<
Marshal CITMCatalog generically
json.Marshal 4506394 ns/op 2384654 B/op 62674 allocs/op
json2.Marshal 1880243 ns/op 512215 B/op 16 allocs/op
fastjson >>> not supported <<<
jsoniter.Marshal 2822625 ns/op 1913973 B/op 32812 allocs/op
jsonparser >>> not supported <<<
goccy.Marshal 2882521 ns/op 665460 B/op 323 allocs/op
segment.Marshal 1891232 ns/op 512081 B/op 1 allocs/op
simdjson >>> not supported <<<
gjson >>> not supported <<<
gjson-v >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
codec.Marshal 2531598 ns/op 2538009 B/op 25 allocs/op
djson >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
sonnet.Marshal 1551751 ns/op 508314 B/op 5 allocs/op
sonnet ███████████▌ 2.90
json2 █████████▌ 2.40
segment █████████▌ 2.38
codec ███████ 1.78
jsoniter ██████▍ 1.60
goccy ██████▎ 1.56
json ▓▓▓▓ 1.00
jsonparser >>> not supported <<<
gjson >>> not supported <<<
gjson-v >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
simdjson >>> not supported <<<
djson >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
fastjson >>> not supported <<<
Marshal CITMCatalog from struct
json.Marshal 709384 ns/op 556660 B/op 890 allocs/op
json2.Marshal 1043226 ns/op 513244 B/op 133 allocs/op
fastjson >>> not supported <<<
jsoniter.Marshal 667951 ns/op 510583 B/op 22 allocs/op
jsonparser >>> not supported <<<
goccy.Marshal 420565 ns/op 521433 B/op 3 allocs/op
segment.Marshal 482063 ns/op 546997 B/op 616 allocs/op
simdjson >>> not supported <<<
gjson >>> not supported <<<
gjson-v >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
codec.Marshal 1172697 ns/op 2538009 B/op 25 allocs/op
djson >>> not supported <<<
ffjson.Marshal 1087366 ns/op 907540 B/op 14180 allocs/op
easyjson.Marshal 467647 ns/op 523852 B/op 1125 allocs/op
sonnet.Marshal 477555 ns/op 508264 B/op 5 allocs/op
goccy ██████▋ 1.69
easyjson ██████ 1.52
sonnet █████▉ 1.49
segment █████▉ 1.47
jsoniter ████▏ 1.06
json ▓▓▓▓ 1.00
json2 ██▋ 0.68
ffjson ██▌ 0.65
codec ██▍ 0.60
jsonparser >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
gjson-v >>> not supported <<<
djson >>> not supported <<<
gjson >>> not supported <<<
simdjson >>> not supported <<<
fastjson >>> not supported <<<
Unmarshal SyntheaFHIR generically
json.Unmarshal 14407657 ns/op 7430402 B/op 134384 allocs/op
json2.Unmarshal 6876026 ns/op 6938666 B/op 115832 allocs/op
fastjson.Unmarshal 6745236 ns/op 26046545 B/op 66098 allocs/op
jsoniter.Unmarshal 8188878 ns/op 8197054 B/op 181427 allocs/op
jsonparser.Unmarshal 13940294 ns/op 1108792 B/op 49604 allocs/op
goccy.Unmarshal 7850591 ns/op 9838424 B/op 159459 allocs/op
segment.Unmarshal 27985730 ns/op 77571261 B/op 193338 allocs/op
simdjson >>> not supported <<<
gjson.Unmarshal 10497720 ns/op 2432546 B/op 26821 allocs/op
gjson-v >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
codec.Unmarshal 14721429 ns/op 9669709 B/op 247796 allocs/op
djson.Unmarshal 6241554 ns/op 8373986 B/op 68392 allocs/op
ffjson >>> not supported <<<
easyjson >>> not supported <<<
sonnet.Unmarshal 5809187 ns/op 7410730 B/op 133127 allocs/op
sonnet █████████▉ 2.48
* djson █████████▏ 2.31
* fastjson ████████▌ 2.14
json2 ████████▍ 2.10
goccy ███████▎ 1.84
jsoniter ███████ 1.76
* gjson █████▍ 1.37
* jsonparser ████▏ 1.03
json ▓▓▓▓ 1.00
codec ███▉ 0.98
segment ██ 0.51
simdjson >>> not supported <<<
gjson-v >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
Unmarshal SyntheaFHIR into struct
json.Unmarshal 13347005 ns/op 625405 B/op 21883 allocs/op
json2.Unmarshal 4721719 ns/op 3103234 B/op 14550 allocs/op
fastjson >>> not supported <<<
jsoniter.Unmarshal 3105142 ns/op 825711 B/op 29439 allocs/op
jsonparser >>> not supported <<<
goccy.Unmarshal 2237843 ns/op 2152077 B/op 2511 allocs/op
segment.Unmarshal 2731326 ns/op 623760 B/op 21832 allocs/op
simdjson >>> not supported <<<
gjson >>> not supported <<<
gjson-v >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
codec.Unmarshal 3694556 ns/op 623400 B/op 21826 allocs/op
djson >>> not supported <<<
ffjson.Unmarshal 22392188 ns/op 4343891 B/op 21905 allocs/op
easyjson.Unmarshal 4217464 ns/op 3531504 B/op 29214 allocs/op
sonnet.Unmarshal 4045626 ns/op 3442113 B/op 33096 allocs/op
goccy ███████████████████████▊ 5.96
segment ███████████████████▌ 4.89
jsoniter █████████████████▏ 4.30
codec ██████████████▍ 3.61
sonnet █████████████▏ 3.30
easyjson ████████████▋ 3.16
json2 ███████████▎ 2.83
json ▓▓▓▓ 1.00
ffjson ██▍ 0.60
jsonparser >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
gjson-v >>> not supported <<<
djson >>> not supported <<<
gjson >>> not supported <<<
simdjson >>> not supported <<<
fastjson >>> not supported <<<
Marshal SyntheaFHIR generically
json.Marshal 7623346 ns/op 4144803 B/op 95282 allocs/op
json2.Marshal 3009586 ns/op 1164074 B/op 8 allocs/op
fastjson >>> not supported <<<
jsoniter.Marshal 4343934 ns/op 3071157 B/op 45292 allocs/op
jsonparser >>> not supported <<<
goccy.Marshal 5274038 ns/op 2521992 B/op 6475 allocs/op
segment.Marshal 3228943 ns/op 1164977 B/op 1 allocs/op
simdjson >>> not supported <<<
gjson >>> not supported <<<
gjson-v >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
codec.Marshal 3167515 ns/op 6642203 B/op 29 allocs/op
djson >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
sonnet.Marshal 2548132 ns/op 1147260 B/op 5 allocs/op
sonnet ███████████▉ 2.99
json2 ██████████▏ 2.53
codec █████████▋ 2.41
segment █████████▍ 2.36
jsoniter ███████ 1.75
goccy █████▊ 1.45
json ▓▓▓▓ 1.00
jsonparser >>> not supported <<<
gjson >>> not supported <<<
gjson-v >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
simdjson >>> not supported <<<
djson >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
fastjson >>> not supported <<<
Marshal SyntheaFHIR from struct
json.Marshal 6994506 ns/op 3996760 B/op 18009 allocs/op
json2.Marshal 6728220 ns/op 3237019 B/op 2569 allocs/op
fastjson >>> not supported <<<
jsoniter.Marshal 5236114 ns/op 4045329 B/op 17963 allocs/op
jsonparser >>> not supported <<<
goccy.Marshal 3431954 ns/op 3994732 B/op 17940 allocs/op
segment.Marshal 2619804 ns/op 3309426 B/op 5338 allocs/op
simdjson >>> not supported <<<
gjson >>> not supported <<<
gjson-v >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
codec.Marshal 6600300 ns/op 16792091 B/op 33 allocs/op
djson >>> not supported <<<
ffjson.Marshal 4121593 ns/op 9522233 B/op 45597 allocs/op
easyjson.Marshal 2982437 ns/op 3978715 B/op 15520 allocs/op
sonnet.Marshal 4156161 ns/op 3944832 B/op 17940 allocs/op
segment ██████████▋ 2.67
easyjson █████████▍ 2.35
goccy ████████▏ 2.04
ffjson ██████▊ 1.70
sonnet ██████▋ 1.68
jsoniter █████▎ 1.34
codec ████▏ 1.06
json2 ████▏ 1.04
json ▓▓▓▓ 1.00
jsonparser >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
gjson-v >>> not supported <<<
djson >>> not supported <<<
gjson >>> not supported <<<
simdjson >>> not supported <<<
fastjson >>> not supported <<<
Unmarshal TwitterStatus generically
json.Unmarshal 4461508 ns/op 2152318 B/op 31261 allocs/op
json2.Unmarshal 2561148 ns/op 2074294 B/op 27236 allocs/op
fastjson.Unmarshal 1430044 ns/op 5341210 B/op 11130 allocs/op
jsoniter.Unmarshal 2730796 ns/op 2427804 B/op 45043 allocs/op
jsonparser.Unmarshal 2955947 ns/op 300312 B/op 10184 allocs/op
goccy.Unmarshal 2470250 ns/op 2756006 B/op 39696 allocs/op
segment.Unmarshal 5876960 ns/op 7060650 B/op 39237 allocs/op
simdjson >>> not supported <<<
gjson.Unmarshal 2444546 ns/op 822360 B/op 6884 allocs/op
gjson-v >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
codec.Unmarshal 4303199 ns/op 2576945 B/op 60986 allocs/op
djson.Unmarshal 2155243 ns/op 2470280 B/op 12678 allocs/op
ffjson >>> not supported <<<
easyjson >>> not supported <<<
sonnet.Unmarshal 2009978 ns/op 2085754 B/op 29439 allocs/op
* fastjson ████████████▍ 3.12
sonnet ████████▉ 2.22
* djson ████████▎ 2.07
* gjson ███████▎ 1.83
goccy ███████▏ 1.81
json2 ██████▉ 1.74
jsoniter ██████▌ 1.63
* jsonparser ██████ 1.51
codec ████▏ 1.04
json ▓▓▓▓ 1.00
segment ███ 0.76
simdjson >>> not supported <<<
gjson-v >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
Unmarshal TwitterStatus into struct
json.Unmarshal 4101192 ns/op 304614 B/op 6486 allocs/op
json2.Unmarshal 1471079 ns/op 306184 B/op 2972 allocs/op
fastjson >>> not supported <<<
jsoniter.Unmarshal 1084547 ns/op 339686 B/op 6293 allocs/op
jsonparser >>> not supported <<<
goccy.Unmarshal 777106 ns/op 646864 B/op 238 allocs/op
segment.Unmarshal 1235545 ns/op 369712 B/op 5341 allocs/op
simdjson >>> not supported <<<
gjson >>> not supported <<<
gjson-v >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
codec.Unmarshal 1170257 ns/op 215944 B/op 4530 allocs/op
djson >>> not supported <<<
ffjson.Unmarshal 2330777 ns/op 1052198 B/op 9494 allocs/op
easyjson.Unmarshal 961164 ns/op 324336 B/op 4907 allocs/op
sonnet.Unmarshal 1194016 ns/op 373614 B/op 6257 allocs/op
goccy █████████████████████ 5.28
easyjson █████████████████ 4.27
jsoniter ███████████████▏ 3.78
codec ██████████████ 3.50
sonnet █████████████▋ 3.43
segment █████████████▎ 3.32
json2 ███████████▏ 2.79
ffjson ███████ 1.76
json ▓▓▓▓ 1.00
jsonparser >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
gjson-v >>> not supported <<<
djson >>> not supported <<<
gjson >>> not supported <<<
simdjson >>> not supported <<<
fastjson >>> not supported <<<
Marshal TwitterStatus generically
json.Marshal 2860083 ns/op 1488012 B/op 27955 allocs/op
json2.Marshal 1020435 ns/op 469318 B/op 7 allocs/op
fastjson >>> not supported <<<
jsoniter.Marshal 1107223 ns/op 631141 B/op 3793 allocs/op
jsonparser >>> not supported <<<
goccy.Marshal 2192481 ns/op 1051194 B/op 543 allocs/op
segment.Marshal 1541512 ns/op 478437 B/op 1 allocs/op
simdjson >>> not supported <<<
gjson >>> not supported <<<
gjson-v >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
codec.Marshal 1187061 ns/op 2538008 B/op 25 allocs/op
djson >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
sonnet.Marshal 1324925 ns/op 475507 B/op 5 allocs/op
json2 ███████████▏ 2.80
jsoniter ██████████▎ 2.58
codec █████████▋ 2.41
sonnet ████████▋ 2.16
segment ███████▍ 1.86
goccy █████▏ 1.30
json ▓▓▓▓ 1.00
jsonparser >>> not supported <<<
gjson >>> not supported <<<
gjson-v >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
simdjson >>> not supported <<<
djson >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
fastjson >>> not supported <<<
Marshal TwitterStatus from struct
json.Marshal 560104 ns/op 513489 B/op 141 allocs/op
json2.Marshal 749456 ns/op 503425 B/op 59 allocs/op
fastjson >>> not supported <<<
jsoniter.Marshal 586050 ns/op 502208 B/op 52 allocs/op
jsonparser >>> not supported <<<
goccy.Marshal 380845 ns/op 509717 B/op 6 allocs/op
segment.Marshal 408066 ns/op 512632 B/op 121 allocs/op
simdjson >>> not supported <<<
gjson >>> not supported <<<
gjson-v >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
codec.Marshal 1019878 ns/op 2540384 B/op 29 allocs/op
djson >>> not supported <<<
ffjson.Marshal 647383 ns/op 798938 B/op 6117 allocs/op
easyjson.Marshal 443797 ns/op 519873 B/op 953 allocs/op
sonnet.Marshal 419032 ns/op 508266 B/op 5 allocs/op
goccy █████▉ 1.47
segment █████▍ 1.37
sonnet █████▎ 1.34
easyjson █████ 1.26
json ▓▓▓▓ 1.00
jsoniter ███▊ 0.96
ffjson ███▍ 0.87
json2 ██▉ 0.75
codec ██▏ 0.55
jsonparser >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
gjson-v >>> not supported <<<
djson >>> not supported <<<
gjson >>> not supported <<<
simdjson >>> not supported <<<
fastjson >>> not supported <<<
Unmarshal GolangSource generically
json.Unmarshal 16237229 ns/op 7916355 B/op 271264 allocs/op
json2.Unmarshal 10665950 ns/op 6989955 B/op 218839 allocs/op
fastjson.Unmarshal 11728258 ns/op 50767000 B/op 130330 allocs/op
jsoniter.Unmarshal 13454205 ns/op 9233508 B/op 346658 allocs/op
jsonparser.Unmarshal 41242074 ns/op 925272 B/op 64023 allocs/op
goccy.Unmarshal 13127529 ns/op 10871553 B/op 320840 allocs/op
segment.Unmarshal 57097372 ns/op 67095369 B/op 334022 allocs/op
simdjson >>> not supported <<<
gjson.Unmarshal 47055141 ns/op 2658512 B/op 76819 allocs/op
gjson-v >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
codec.Unmarshal 24659849 ns/op 10502697 B/op 436539 allocs/op
djson.Unmarshal 6498731 ns/op 7822419 B/op 117489 allocs/op
ffjson >>> not supported <<<
easyjson >>> not supported <<<
sonnet.Unmarshal 6841642 ns/op 7011915 B/op 219940 allocs/op
* djson █████████▉ 2.50
sonnet █████████▍ 2.37
json2 ██████ 1.52
* fastjson █████▌ 1.38
goccy ████▉ 1.24
jsoniter ████▊ 1.21
json ▓▓▓▓ 1.00
codec ██▋ 0.66
* jsonparser █▌ 0.39
* gjson █▍ 0.35
segment █▏ 0.28
gjson-v >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
simdjson >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
Unmarshal GolangSource into struct
json.Unmarshal 15658475 ns/op 704424 B/op 24927 allocs/op
json2.Unmarshal 7179994 ns/op 3236335 B/op 13941 allocs/op
fastjson >>> not supported <<<
jsoniter.Unmarshal 4850121 ns/op 994058 B/op 37077 allocs/op
jsonparser >>> not supported <<<
goccy.Unmarshal 2967302 ns/op 1944522 B/op 1 allocs/op
segment.Unmarshal 2990020 ns/op 411672 B/op 12806 allocs/op
simdjson >>> not supported <<<
gjson >>> not supported <<<
gjson-v >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
codec.Unmarshal 7012259 ns/op 412848 B/op 12809 allocs/op
djson >>> not supported <<<
ffjson.Unmarshal 9455689 ns/op 6276472 B/op 52765 allocs/op
easyjson.Unmarshal 5966338 ns/op 4282424 B/op 27846 allocs/op
sonnet.Unmarshal 4137037 ns/op 1813438 B/op 26312 allocs/op
goccy █████████████████████ 5.28
segment ████████████████████▉ 5.24
sonnet ███████████████▏ 3.78
jsoniter ████████████▉ 3.23
easyjson ██████████▍ 2.62
codec ████████▉ 2.23
json2 ████████▋ 2.18
ffjson ██████▌ 1.66
json ▓▓▓▓ 1.00
jsonparser >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
gjson-v >>> not supported <<<
djson >>> not supported <<<
gjson >>> not supported <<<
simdjson >>> not supported <<<
fastjson >>> not supported <<<
Marshal GolangSource generically
json.Marshal 14651905 ns/op 8549597 B/op 192096 allocs/op
json2.Marshal 6185502 ns/op 1941725 B/op 7 allocs/op
fastjson >>> not supported <<<
jsoniter.Marshal 6573466 ns/op 3491902 B/op 38422 allocs/op
jsonparser >>> not supported <<<
goccy.Marshal 10770728 ns/op 2488808 B/op 3 allocs/op
segment.Marshal 7221079 ns/op 2005721 B/op 1 allocs/op
simdjson >>> not supported <<<
gjson >>> not supported <<<
gjson-v >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
codec.Marshal 9083576 ns/op 10590746 B/op 31 allocs/op
djson >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
sonnet.Marshal 6051235 ns/op 1941897 B/op 5 allocs/op
sonnet █████████▋ 2.42
json2 █████████▍ 2.37
jsoniter ████████▉ 2.23
segment ████████ 2.03
codec ██████▍ 1.61
goccy █████▍ 1.36
json ▓▓▓▓ 1.00
jsonparser >>> not supported <<<
gjson >>> not supported <<<
gjson-v >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
simdjson >>> not supported <<<
djson >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
fastjson >>> not supported <<<
Marshal GolangSource from struct
json.Marshal 3184153 ns/op 1952991 B/op 1 allocs/op
json2.Marshal 3949981 ns/op 1976612 B/op 1 allocs/op
fastjson >>> not supported <<<
jsoniter.Marshal 2485955 ns/op 1816330 B/op 2 allocs/op
jsonparser >>> not supported <<<
goccy.Marshal 2114175 ns/op 1941531 B/op 1 allocs/op
segment.Marshal 2120421 ns/op 1960429 B/op 1 allocs/op
simdjson >>> not supported <<<
gjson >>> not supported <<<
gjson-v >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
codec.Marshal 5484072 ns/op 10590745 B/op 31 allocs/op
djson >>> not supported <<<
ffjson.Marshal 6019009 ns/op 6502295 B/op 77031 allocs/op
easyjson.Marshal 2283916 ns/op 1996448 B/op 73 allocs/op
sonnet.Marshal 2309967 ns/op 1941848 B/op 5 allocs/op
goccy ██████ 1.51
segment ██████ 1.50
easyjson █████▌ 1.39
sonnet █████▌ 1.38
jsoniter █████ 1.28
json ▓▓▓▓ 1.00
json2 ███▏ 0.81
codec ██▎ 0.58
ffjson ██ 0.53
jsonparser >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
gjson-v >>> not supported <<<
djson >>> not supported <<<
gjson >>> not supported <<<
simdjson >>> not supported <<<
fastjson >>> not supported <<<
Unmarshal StringUnicode generically
json.Unmarshal 84098 ns/op 30299 B/op 194 allocs/op
json2.Unmarshal 36797 ns/op 27555 B/op 179 allocs/op
fastjson.Unmarshal 8129 ns/op 35208 B/op 76 allocs/op
jsoniter.Unmarshal 28160 ns/op 31956 B/op 262 allocs/op
jsonparser.Unmarshal 15736 ns/op 18624 B/op 121 allocs/op
goccy.Unmarshal 23012 ns/op 31324 B/op 191 allocs/op
segment.Unmarshal 93243 ns/op 43274 B/op 307 allocs/op
simdjson >>> not supported <<<
gjson.Unmarshal 13443 ns/op 20272 B/op 66 allocs/op
gjson-v >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
codec.Unmarshal 29969 ns/op 32847 B/op 315 allocs/op
djson.Unmarshal 48803 ns/op 47484 B/op 133 allocs/op
ffjson >>> not supported <<<
easyjson >>> not supported <<<
sonnet.Unmarshal 38623 ns/op 30467 B/op 193 allocs/op
* fastjson █████████████████████████████████████████▍ 10.35
* gjson █████████████████████████ 6.26
* jsonparser █████████████████████▍ 5.34
goccy ██████████████▌ 3.65
jsoniter ███████████▉ 2.99
codec ███████████▏ 2.81
json2 █████████▏ 2.29
sonnet ████████▋ 2.18
* djson ██████▉ 1.72
json ▓▓▓▓ 1.00
segment ███▌ 0.90
sonic-v >>> not supported <<<
sonic >>> not supported <<<
gjson-v >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
simdjson >>> not supported <<<
Unmarshal StringUnicode into struct
json.Unmarshal 80034 ns/op 18296 B/op 66 allocs/op
json2.Unmarshal 30013 ns/op 15472 B/op 49 allocs/op
fastjson >>> not supported <<<
jsoniter.Unmarshal 19503 ns/op 18912 B/op 72 allocs/op
jsonparser >>> not supported <<<
goccy.Unmarshal 14560 ns/op 18432 B/op 1 allocs/op
segment.Unmarshal 56640 ns/op 35280 B/op 122 allocs/op
simdjson >>> not supported <<<
gjson >>> not supported <<<
gjson-v >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
codec.Unmarshal 14671 ns/op 18824 B/op 63 allocs/op
djson >>> not supported <<<
ffjson.Unmarshal 17952 ns/op 18448 B/op 66 allocs/op
easyjson.Unmarshal 5644 ns/op 17776 B/op 61 allocs/op
sonnet.Unmarshal 33548 ns/op 18384 B/op 63 allocs/op
easyjson ████████████████████████████████████████████████████████▋ 14.18
goccy █████████████████████▉ 5.50
codec █████████████████████▊ 5.46
ffjson █████████████████▊ 4.46
jsoniter ████████████████▍ 4.10
json2 ██████████▋ 2.67
sonnet █████████▌ 2.39
segment █████▋ 1.41
json ▓▓▓▓ 1.00
jsonparser >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
gjson-v >>> not supported <<<
djson >>> not supported <<<
gjson >>> not supported <<<
simdjson >>> not supported <<<
fastjson >>> not supported <<<
Marshal StringUnicode generically
json.Marshal 37714 ns/op 23042 B/op 122 allocs/op
json2.Marshal 35557 ns/op 19562 B/op 65 allocs/op
fastjson >>> not supported <<<
jsoniter.Marshal 18533 ns/op 18561 B/op 4 allocs/op
jsonparser >>> not supported <<<
goccy.Marshal 37261 ns/op 18446 B/op 1 allocs/op
segment.Marshal 34522 ns/op 18435 B/op 1 allocs/op
simdjson >>> not supported <<<
gjson >>> not supported <<<
gjson-v >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
codec.Marshal 32160 ns/op 84504 B/op 13 allocs/op
djson >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
sonnet.Marshal 35680 ns/op 18776 B/op 5 allocs/op
jsoniter ████████▏ 2.03
codec ████▋ 1.17
segment ████▎ 1.09
json2 ████▏ 1.06
sonnet ████▏ 1.06
goccy ████ 1.01
json ▓▓▓▓ 1.00
jsonparser >>> not supported <<<
gjson >>> not supported <<<
gjson-v >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
simdjson >>> not supported <<<
djson >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
fastjson >>> not supported <<<
Marshal StringUnicode from struct
json.Marshal 26640 ns/op 18433 B/op 1 allocs/op
json2.Marshal 24002 ns/op 18433 B/op 1 allocs/op
fastjson >>> not supported <<<
jsoniter.Marshal 16723 ns/op 18441 B/op 2 allocs/op
jsonparser >>> not supported <<<
goccy.Marshal 29198 ns/op 18434 B/op 1 allocs/op
segment.Marshal 28752 ns/op 18436 B/op 1 allocs/op
simdjson >>> not supported <<<
gjson >>> not supported <<<
gjson-v >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
codec.Marshal 35762 ns/op 84504 B/op 13 allocs/op
djson >>> not supported <<<
ffjson.Marshal 27872 ns/op 50609 B/op 67 allocs/op
easyjson.Marshal 22910 ns/op 19272 B/op 11 allocs/op
sonnet.Marshal 29313 ns/op 18776 B/op 5 allocs/op
jsoniter ██████▎ 1.59
easyjson ████▋ 1.16
json2 ████▍ 1.11
json ▓▓▓▓ 1.00
ffjson ███▊ 0.96
segment ███▋ 0.93
goccy ███▋ 0.91
sonnet ███▋ 0.91
codec ██▉ 0.74
jsonparser >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
gjson-v >>> not supported <<<
djson >>> not supported <<<
gjson >>> not supported <<<
simdjson >>> not supported <<<
fastjson >>> not supported <<<
Unmarshal single record (2kb), read few keys generically
json.Unmarshal 28759 ns/op 12488 B/op 21 allocs/op
json2 >>> not supported <<<
fastjson.Unmarshal 8538 ns/op 12034 B/op 7 allocs/op
jsoniter >>> not supported <<<
jsonparser.Unmarshal 8342 ns/op 12208 B/op 17 allocs/op
goccy >>> not supported <<<
segment >>> not supported <<<
simdjson >>> not supported <<<
gjson.Unmarshal 9593 ns/op 16368 B/op 9 allocs/op
gjson-v.Unmarshal 13020 ns/op 16368 B/op 9 allocs/op
sonic >>> not supported <<<
sonic-v >>> not supported <<<
codec >>> not supported <<<
djson >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
sonnet >>> not supported <<<
jsonparser █████████████▊ 3.45
fastjson █████████████▍ 3.37
gjson ███████████▉ 3.00
gjson-v ████████▊ 2.21
json ▓▓▓▓ 1.00
segment >>> not supported <<<
jsoniter >>> not supported <<<
simdjson >>> not supported <<<
goccy >>> not supported <<<
json2 >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
codec >>> not supported <<<
djson >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
sonnet >>> not supported <<<
Unmarshal single record (2kb), read few keys into struct
json.Unmarshal 28767 ns/op 12488 B/op 21 allocs/op
json2.Unmarshal 9064 ns/op 128 B/op 6 allocs/op
fastjson.Unmarshal 9273 ns/op 12080 B/op 10 allocs/op
jsoniter.Unmarshal 12877 ns/op 14056 B/op 84 allocs/op
jsonparser.Unmarshal 8875 ns/op 12208 B/op 17 allocs/op
goccy.Unmarshal 9091 ns/op 16129 B/op 7 allocs/op
segment.Unmarshal 10292 ns/op 12064 B/op 12 allocs/op
simdjson >>> not supported <<<
gjson.Unmarshal 9770 ns/op 16400 B/op 10 allocs/op
gjson-v.Unmarshal 13782 ns/op 16400 B/op 10 allocs/op
sonic >>> not supported <<<
sonic-v >>> not supported <<<
codec.Unmarshal 11356 ns/op 13240 B/op 15 allocs/op
djson >>> not supported <<<
ffjson.Unmarshal 22948 ns/op 14184 B/op 36 allocs/op
easyjson.Unmarshal 22471 ns/op 12320 B/op 16 allocs/op
sonnet.Unmarshal 12873 ns/op 12368 B/op 21 allocs/op
* jsonparser ████████████▉ 3.24
json2 ████████████▋ 3.17
goccy ████████████▋ 3.16
* fastjson ████████████▍ 3.10
* gjson ███████████▊ 2.94
segment ███████████▏ 2.80
codec ██████████▏ 2.53
sonnet ████████▉ 2.23
jsoniter ████████▉ 2.23
* gjson-v ████████▎ 2.09
easyjson █████ 1.28
ffjson █████ 1.25
json ▓▓▓▓ 1.00
simdjson >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
djson >>> not supported <<<
Unmarshal single record (2kb), read all keys generically
json.Unmarshal 37011 ns/op 29776 B/op 340 allocs/op
json2.Unmarshal 23799 ns/op 15538 B/op 295 allocs/op
fastjson.Unmarshal 13956 ns/op 13608 B/op 73 allocs/op
jsoniter.Unmarshal 27258 ns/op 31681 B/op 457 allocs/op
jsonparser.Unmarshal 21044 ns/op 14528 B/op 135 allocs/op
goccy.Unmarshal 25107 ns/op 34513 B/op 398 allocs/op
segment.Unmarshal 57133 ns/op 173240 B/op 475 allocs/op
simdjson >>> not supported <<<
gjson.Unmarshal 18689 ns/op 18336 B/op 76 allocs/op
gjson-v.Unmarshal 22401 ns/op 18336 B/op 76 allocs/op
sonic >>> not supported <<<
sonic-v >>> not supported <<<
codec.Unmarshal 38723 ns/op 19456 B/op 435 allocs/op
djson.Unmarshal 20333 ns/op 32168 B/op 183 allocs/op
ffjson >>> not supported <<<
easyjson >>> not supported <<<
sonnet.Unmarshal 21394 ns/op 30351 B/op 341 allocs/op
fastjson ██████████▌ 2.65
gjson ███████▉ 1.98
djson ███████▎ 1.82
jsonparser ███████ 1.76
sonnet ██████▉ 1.73
gjson-v ██████▌ 1.65
json2 ██████▏ 1.56
goccy █████▉ 1.47
jsoniter █████▍ 1.36
json ▓▓▓▓ 1.00
codec ███▊ 0.96
segment ██▌ 0.65
simdjson >>> not supported <<<
sonic-v >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
sonic >>> not supported <<<
Unmarshal single record (2kb), read all keys into struct
json.Unmarshal 34490 ns/op 14608 B/op 80 allocs/op
json2.Unmarshal 14605 ns/op 3104 B/op 35 allocs/op
fastjson >>> not supported <<<
jsoniter.Unmarshal 13144 ns/op 14384 B/op 77 allocs/op
jsonparser >>> not supported <<<
goccy.Unmarshal 10859 ns/op 16132 B/op 7 allocs/op
segment.Unmarshal 15260 ns/op 13680 B/op 73 allocs/op
simdjson >>> not supported <<<
gjson >>> not supported <<<
gjson-v >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
codec.Unmarshal 15446 ns/op 14536 B/op 72 allocs/op
djson >>> not supported <<<
ffjson.Unmarshal 17603 ns/op 16784 B/op 113 allocs/op
easyjson.Unmarshal 15589 ns/op 15888 B/op 94 allocs/op
sonnet.Unmarshal 16778 ns/op 17066 B/op 112 allocs/op
goccy ████████████▋ 3.18
jsoniter ██████████▍ 2.62
json2 █████████▍ 2.36
segment █████████ 2.26
codec ████████▉ 2.23
easyjson ████████▊ 2.21
sonnet ████████▏ 2.06
ffjson ███████▊ 1.96
json ▓▓▓▓ 1.00
jsonparser >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
gjson-v >>> not supported <<<
djson >>> not supported <<<
gjson >>> not supported <<<
simdjson >>> not supported <<<
fastjson >>> not supported <<<
Unmarshal many records (2kb each) from small file (100MB), read few keys generically
json.Unmarshal 663325604 ns/op 21755688 B/op 394052 allocs/op
json2 >>> not supported <<<
fastjson.Unmarshal 127990343 ns/op 2537813 B/op 39513 allocs/op
jsoniter >>> not supported <<<
jsonparser.Unmarshal 89378682 ns/op 4614292 B/op 177229 allocs/op
goccy >>> not supported <<<
segment >>> not supported <<<
simdjson >>> not supported <<<
gjson.Unmarshal 118447365 ns/op 105924746 B/op 39406 allocs/op
gjson-v.Unmarshal 231933916 ns/op 105924736 B/op 39406 allocs/op
sonic >>> not supported <<<
sonic-v >>> not supported <<<
codec >>> not supported <<<
djson >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
sonnet >>> not supported <<<
jsonparser █████████████████████████████▋ 7.42
gjson ██████████████████████▍ 5.60
fastjson ████████████████████▋ 5.18
gjson-v ███████████▍ 2.86
json ▓▓▓▓ 1.00
simdjson >>> not supported <<<
segment >>> not supported <<<
json2 >>> not supported <<<
jsoniter >>> not supported <<<
goccy >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
codec >>> not supported <<<
djson >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
sonnet >>> not supported <<<
Unmarshal many records (2kb each) from small file (100MB), read few keys into struct
json.Unmarshal 661312375 ns/op 21755688 B/op 394052 allocs/op
json2.Unmarshal 255987000 ns/op 16410 B/op 67 allocs/op
fastjson.Unmarshal 128136927 ns/op 2537813 B/op 39513 allocs/op
jsoniter.Unmarshal 282571697 ns/op 89397064 B/op 3979909 allocs/op
jsonparser.Unmarshal 89124566 ns/op 4614293 B/op 177229 allocs/op
goccy.Unmarshal 121054930 ns/op 105928128 B/op 39419 allocs/op
segment.Unmarshal 183175048 ns/op 2526037 B/op 39406 allocs/op
simdjson >>> not supported <<<
gjson.Unmarshal 115481231 ns/op 105924768 B/op 39406 allocs/op
gjson-v.Unmarshal 232491066 ns/op 105924755 B/op 39406 allocs/op
sonic >>> not supported <<<
sonic-v >>> not supported <<<
codec.Unmarshal 174018791 ns/op 48866346 B/op 157621 allocs/op
djson >>> not supported <<<
ffjson.Unmarshal 388951597 ns/op 67783730 B/op 591082 allocs/op
easyjson.Unmarshal 560113833 ns/op 2526940 B/op 39412 allocs/op
sonnet.Unmarshal 190884715 ns/op 7644842 B/op 88607 allocs/op
* jsonparser █████████████████████████████▋ 7.42
* gjson ██████████████████████▉ 5.73
goccy █████████████████████▊ 5.46
* fastjson ████████████████████▋ 5.16
codec ███████████████▏ 3.80
segment ██████████████▍ 3.61
sonnet █████████████▊ 3.46
* gjson-v ███████████▍ 2.84
json2 ██████████▎ 2.58
jsoniter █████████▎ 2.34
ffjson ██████▊ 1.70
easyjson ████▋ 1.18
json ▓▓▓▓ 1.00
simdjson >>> not supported <<<
djson >>> not supported <<<
sonic-v >>> not supported <<<
sonic >>> not supported <<<
Unmarshal many records (2kb each) from small file (100MB), read all keys generically
json.Unmarshal 1069851167 ns/op 743891120 B/op 14314967 allocs/op
json2.Unmarshal 864102833 ns/op 692998796 B/op 11939046 allocs/op
fastjson.Unmarshal 369134055 ns/op 66551232 B/op 2876853 allocs/op
jsoniter.Unmarshal 909048770 ns/op 819014908 B/op 19201255 allocs/op
jsonparser.Unmarshal 651803312 ns/op 105469160 B/op 5437891 allocs/op
goccy.Unmarshal 823479333 ns/op 876403864 B/op 16797640 allocs/op
segment.Unmarshal 2466840500 ns/op 6770505024 B/op 19978353 allocs/op
simdjson >>> not supported <<<
gjson.Unmarshal 626986687 ns/op 196083440 B/op 2994781 allocs/op
gjson-v.Unmarshal 735938187 ns/op 196083400 B/op 2994781 allocs/op
sonic >>> not supported <<<
sonic-v >>> not supported <<<
codec.Unmarshal 1400067500 ns/op 313135728 B/op 18323503 allocs/op
djson.Unmarshal 585545104 ns/op 770801632 B/op 7537427 allocs/op
ffjson >>> not supported <<<
easyjson >>> not supported <<<
sonnet.Unmarshal 638004979 ns/op 760687696 B/op 14246087 allocs/op
fastjson ███████████▌ 2.90
djson ███████▎ 1.83
gjson ██████▊ 1.71
sonnet ██████▋ 1.68
jsonparser ██████▌ 1.64
gjson-v █████▊ 1.45
goccy █████▏ 1.30
json2 ████▉ 1.24
jsoniter ████▋ 1.18
json ▓▓▓▓ 1.00
codec ███ 0.76
segment █▋ 0.43
simdjson >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
Unmarshal many records (2kb each) from small file (100MB), read all keys into struct
json.Unmarshal 936697083 ns/op 111142456 B/op 3113017 allocs/op
json2.Unmarshal 536354708 ns/op 129718508 B/op 1792387 allocs/op
fastjson >>> not supported <<<
jsoniter.Unmarshal 298125000 ns/op 97277276 B/op 2955389 allocs/op
jsonparser >>> not supported <<<
goccy.Unmarshal 207941616 ns/op 105959313 B/op 39519 allocs/op
segment.Unmarshal 405828458 ns/op 69132701 B/op 2797767 allocs/op
simdjson >>> not supported <<<
gjson >>> not supported <<<
gjson-v >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
codec.Unmarshal 390560916 ns/op 102289984 B/op 2718957 allocs/op
djson >>> not supported <<<
ffjson.Unmarshal 525239646 ns/op 218001020 B/op 4689230 allocs/op
easyjson.Unmarshal 417259277 ns/op 170697509 B/op 3822294 allocs/op
sonnet.Unmarshal 419623361 ns/op 212711218 B/op 4817498 allocs/op
goccy ██████████████████ 4.50
jsoniter ████████████▌ 3.14
codec █████████▌ 2.40
segment █████████▏ 2.31
easyjson ████████▉ 2.24
sonnet ████████▉ 2.23
ffjson ███████▏ 1.78
json2 ██████▉ 1.75
json ▓▓▓▓ 1.00
jsonparser >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
gjson-v >>> not supported <<<
djson >>> not supported <<<
gjson >>> not supported <<<
simdjson >>> not supported <<<
fastjson >>> not supported <<<
Unmarshal many records (25kb each) from semi-large file (5GB), read few keys generically
json.Unmarshal 31111374500 ns/op 116290128 B/op 2105577 allocs/op
json2 >>> not supported <<<
fastjson.Unmarshal 5441619417 ns/op 14548160 B/op 218829 allocs/op
jsoniter >>> not supported <<<
jsonparser.Unmarshal 3016914750 ns/op 24696576 B/op 947485 allocs/op
goccy >>> not supported <<<
segment >>> not supported <<<
simdjson >>> not supported <<<
gjson.Unmarshal 4485175500 ns/op 5740688352 B/op 210570 allocs/op
gjson-v.Unmarshal 10156378459 ns/op 5740688928 B/op 210576 allocs/op
sonic >>> not supported <<<
sonic-v >>> not supported <<<
codec >>> not supported <<<
djson >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
sonnet >>> not supported <<<
jsonparser █████████████████████████████████████████▏ 10.31
gjson ███████████████████████████▋ 6.94
fastjson ██████████████████████▊ 5.72
gjson-v ████████████▎ 3.06
json ▓▓▓▓ 1.00
simdjson >>> not supported <<<
segment >>> not supported <<<
json2 >>> not supported <<<
jsoniter >>> not supported <<<
goccy >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
codec >>> not supported <<<
djson >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
sonnet >>> not supported <<<
Unmarshal many records (25kb each) from semi-large file (5GB), read few keys into struct
json.Unmarshal 31181803792 ns/op 116289088 B/op 2105577 allocs/op
json2.Unmarshal 12273704750 ns/op 17624 B/op 72 allocs/op
fastjson.Unmarshal 5424498667 ns/op 14548160 B/op 218829 allocs/op
jsoniter.Unmarshal 13404210583 ns/op 4641823248 B/op 210767705 allocs/op
jsonparser.Unmarshal 3019770708 ns/op 24696592 B/op 947485 allocs/op
goccy.Unmarshal 4767146250 ns/op 5740859512 B/op 211065 allocs/op
segment.Unmarshal 7732190083 ns/op 13537216 B/op 210563 allocs/op
simdjson >>> not supported <<<
gjson.Unmarshal 4458853041 ns/op 5740688352 B/op 210570 allocs/op
gjson-v.Unmarshal 10174726959 ns/op 5740688832 B/op 210575 allocs/op
sonic >>> not supported <<<
sonic-v >>> not supported <<<
codec.Unmarshal 6538109500 ns/op 261152328 B/op 842235 allocs/op
djson >>> not supported <<<
ffjson.Unmarshal 17023504333 ns/op 362242240 B/op 3158443 allocs/op
easyjson.Unmarshal 28200722791 ns/op 13539480 B/op 210583 allocs/op
sonnet.Unmarshal 8271934417 ns/op 40871984 B/op 473229 allocs/op
* jsonparser █████████████████████████████████████████▎ 10.33
* gjson ███████████████████████████▉ 6.99
goccy ██████████████████████████▏ 6.54
* fastjson ██████████████████████▉ 5.75
codec ███████████████████ 4.77
segment ████████████████▏ 4.03
sonnet ███████████████ 3.77
* gjson-v ████████████▎ 3.06
json2 ██████████▏ 2.54
jsoniter █████████▎ 2.33
ffjson ███████▎ 1.83
easyjson ████▍ 1.11
json ▓▓▓▓ 1.00
simdjson >>> not supported <<<
djson >>> not supported <<<
sonic-v >>> not supported <<<
sonic >>> not supported <<<
Unmarshal many records from (25kb each) semi-large file (5GB), read all keys generically
json.Unmarshal 51503276750 ns/op 37195922992 B/op 701321841 allocs/op
json2.Unmarshal 41109369459 ns/op 35236371096 B/op 579114206 allocs/op
fastjson.Unmarshal 18317989000 ns/op 3343034320 B/op 142344812 allocs/op
jsoniter.Unmarshal 43774940958 ns/op 41742157640 B/op 960517167 allocs/op
jsonparser.Unmarshal 32744509000 ns/op 5277693432 B/op 273513557 allocs/op
goccy.Unmarshal 39384421583 ns/op 44759023280 B/op 833139686 allocs/op
segment.Unmarshal 123463639125 ns/op 341672361160 B/op 995514325 allocs/op
simdjson >>> not supported <<<
gjson.Unmarshal 31226480208 ns/op 10406633360 B/op 146758252 allocs/op
gjson-v.Unmarshal 37095325541 ns/op 10406633376 B/op 146758254 allocs/op
sonic >>> not supported <<<
sonic-v >>> not supported <<<
codec.Unmarshal 68871669708 ns/op 13524660784 B/op 905186210 allocs/op
djson.Unmarshal 28015577542 ns/op 39791391392 B/op 375169684 allocs/op
ffjson >>> not supported <<<
easyjson >>> not supported <<<
sonnet.Unmarshal 29392207792 ns/op 35952032424 B/op 699058969 allocs/op
fastjson ███████████▏ 2.81
djson ███████▎ 1.84
sonnet ███████ 1.75
gjson ██████▌ 1.65
jsonparser ██████▎ 1.57
gjson-v █████▌ 1.39
goccy █████▏ 1.31
json2 █████ 1.25
jsoniter ████▋ 1.18
json ▓▓▓▓ 1.00
codec ██▉ 0.75
segment █▋ 0.42
simdjson >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
Unmarshal many records from (25kb each) semi-large file (5GB), read all keys into struct
json.Unmarshal 44529969625 ns/op 4426642000 B/op 137915224 allocs/op
json2.Unmarshal 26973935417 ns/op 6894521368 B/op 94197518 allocs/op
fastjson >>> not supported <<<
jsoniter.Unmarshal 13996248416 ns/op 4986243808 B/op 150338214 allocs/op
jsonparser >>> not supported <<<
goccy.Unmarshal 8576067125 ns/op 5742400144 B/op 216503 allocs/op
segment.Unmarshal 19400282583 ns/op 3474081800 B/op 141915742 allocs/op
simdjson >>> not supported <<<
gjson >>> not supported <<<
gjson-v >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
codec.Unmarshal 18355668875 ns/op 3045058800 B/op 133914579 allocs/op
djson >>> not supported <<<
ffjson.Unmarshal 22822160750 ns/op 10005824560 B/op 215401289 allocs/op
easyjson.Unmarshal 19568991500 ns/op 8928970080 B/op 198555942 allocs/op
sonnet.Unmarshal 19256524875 ns/op 8199724720 B/op 236094554 allocs/op
goccy ████████████████████▊ 5.19
jsoniter ████████████▋ 3.18
codec █████████▋ 2.43
sonnet █████████▏ 2.31
segment █████████▏ 2.30
easyjson █████████ 2.28
ffjson ███████▊ 1.95
json2 ██████▌ 1.65
json ▓▓▓▓ 1.00
jsonparser >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
gjson-v >>> not supported <<<
djson >>> not supported <<<
gjson >>> not supported <<<
simdjson >>> not supported <<<
fastjson >>> not supported <<<
Marshal custom data through an object builder
json.Marshal 1269 ns/op 688 B/op 17 allocs/op
json2 >>> not supported <<<
fastjson.Marshal 816 ns/op 679 B/op 6 allocs/op
jsoniter >>> not supported <<<
jsonparser >>> not supported <<<
goccy >>> not supported <<<
segment >>> not supported <<<
simdjson >>> not supported <<<
gjson.Marshal 2307 ns/op 3024 B/op 27 allocs/op
gjson-v >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
codec >>> not supported <<<
djson >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
sonnet >>> not supported <<<
fastjson ██████▏ 1.56
json ▓▓▓▓ 1.00
gjson ██▏ 0.55
jsonparser >>> not supported <<<
sonic >>> not supported <<<
goccy >>> not supported <<<
segment >>> not supported <<<
simdjson >>> not supported <<<
json2 >>> not supported <<<
gjson-v >>> not supported <<<
jsoniter >>> not supported <<<
sonic-v >>> not supported <<<
codec >>> not supported <<<
djson >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
sonnet >>> not supported <<<
Validate []byte
json.Validate 10427 ns/op 0 B/op 0 allocs/op
json2 >>> not supported <<<
fastjson.Validate 4875 ns/op 0 B/op 0 allocs/op
jsoniter.Validate 6792 ns/op 2184 B/op 100 allocs/op
jsonparser >>> not supported <<<
goccy.Validate 23933 ns/op 27584 B/op 463 allocs/op
segment.Validate 3542 ns/op 0 B/op 0 allocs/op
simdjson >>> not supported <<<
gjson.Validate 3487 ns/op 0 B/op 0 allocs/op
gjson-v >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
codec >>> not supported <<<
djson >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
sonnet.Validate 5867 ns/op 0 B/op 0 allocs/op
gjson ███████████▉ 2.99
segment ███████████▊ 2.94
fastjson ████████▌ 2.14
sonnet ███████ 1.78
jsoniter ██████▏ 1.54
json ▓▓▓▓ 1.00
goccy █▋ 0.44
jsonparser >>> not supported <<<
simdjson >>> not supported <<<
gjson-v >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
codec >>> not supported <<<
djson >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
json2 >>> not supported <<<
Validate string
json.Validate 10458 ns/op 0 B/op 0 allocs/op
json2 >>> not supported <<<
fastjson.Validate 5270 ns/op 4096 B/op 1 allocs/op
jsoniter >>> not supported <<<
jsonparser >>> not supported <<<
goccy >>> not supported <<<
segment >>> not supported <<<
simdjson >>> not supported <<<
gjson.Validate 3938 ns/op 4096 B/op 1 allocs/op
gjson-v >>> not supported <<<
sonic >>> not supported <<<
sonic-v >>> not supported <<<
codec >>> not supported <<<
djson >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
sonnet >>> not supported <<<
gjson ██████████▌ 2.66
fastjson ███████▉ 1.98
json ▓▓▓▓ 1.00
jsonparser >>> not supported <<<
sonic >>> not supported <<<
goccy >>> not supported <<<
segment >>> not supported <<<
simdjson >>> not supported <<<
json2 >>> not supported <<<
gjson-v >>> not supported <<<
jsoniter >>> not supported <<<
sonic-v >>> not supported <<<
codec >>> not supported <<<
djson >>> not supported <<<
ffjson >>> not supported <<<
easyjson >>> not supported <<<
sonnet >>> not supported <<<
Higher values (longer bars) are better in all cases. The bar graph compares the
parsing performance. The lighter colored bar is the reference, the go json
package.
Tests run on:
Machine: MacBookPro18,2
OS: macOS 14.4.1
Processor:
Cores: proc 10:8:2
Processor Speed:
Memory: 32 GB
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