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0.0 3.0 0.0 3.92 MB

License: Apache License 2.0

C 45.71% Makefile 6.00% C++ 9.45% CMake 0.75% M4 0.46% Shell 7.65% Roff 0.65% Assembly 23.58% Objective-C 0.81% PHP 4.95%

efficient-compression-tool's Introduction

Efficient Compression Tool

Efficient Compression Tool (or ECT) is a C++ file optimizer. It supports PNG, JPEG, GZIP and ZIP files.

Performance(v0.6)

All tests were run on OS X 10.11 using an i5-2500S and clang.

File: enwik8, 100,000,000 bytes, compressed into gzip format

Compressor	File Size	Time
gzip -9	36,475,811B	6.2s
zopfli -i1	35,139,225B	1m 6.4s
ECT -2	35,019,083B	16.9s
zopfli -i5	35,014,777B	1m 56.2s
ECT -3	35,012,378B	18.3s
zopfli -i15	34,987,258B	4m 3.2s
ECT -4	34,964,155B	22.5s
ECT -5	34,942,811B	28.9s
ECT -6	34,940,747B	49.7s
ECT -7	34,938,252B	1m 7.9s
ECT -8	34,937,694B	3m 54.8s

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