Comments (9)
Hi Vinzent, we were keen on simplifying the headers (already complicated due to conditional compilation and *State classes). How about this approach using a separate header?
from highwayhash.
I think that would be the best solution.
from highwayhash.
Glad to hear it, thanks :)
from highwayhash.
The bindings seem a bit inconsistent:
ScalarHighwayTreeHashC
andSSE41HighwayTreeHashC
seem to duplicateScalarHighwayTreeHash
andSSE41HighwayTreeHash
. I think only the ones with a C suffix should exist?- There is
ScalarSipTreeHash
andSipTreeHash
. They should probably get aC
suffix as well? HighwayTreeHashC
was not callable from C before, so it's nice to have it.- There is no
SipHashC
.
I'll test the bindings once I get the build working again (#12).
from highwayhash.
The C-suffix functions have two disadvantages: they're harder to inline (requires link-time inlining because they're not in the header) and the key parameter is not type-safe (can cause out of bounds accesses - SipHash expects 2 uint64, the others 4). That's why we'd like to keep the C bindings separate :)
Honestly, I don't see much value in SipTreeHash because it's not drop-in compatible with SipHash, nor is it as fast as HighwayHash. Still, we can add their bindings for completeness (plus SipHashC - thanks for pointing that out). Please feel free to re-open if needed :)
from highwayhash.
I see. I bound against the non-suffix functions and it worked, probably due to an implicit cast.
Looks good to me, except that SipHashC
seems to be missing from c_bindings.h
.
from highwayhash.
Thanks for looking, sorry about the missing SipHashC. Will add that next week :)
from highwayhash.
Done :)
from highwayhash.
Great, thanks!
from highwayhash.
Related Issues (20)
- Unexpected low speeds with the generic C?! HOT 2
- New Nodejs bindings package HOT 2
- highwayhash-wasm - WASM JS binding for the browser and nodejs HOT 3
- Alignment attributes are in the wrong place for arrays HOT 1
- Build fails (gcc (Ubuntu 12.2.0-3ubuntu1) 12.2.0) HOT 6
- Small bug in documentation (?) HOT 1
- Question: When the README says "an expected 2^32 guesses of m per the birthday paradox", does it refers to 128 and 256-bits versions too? HOT 3
- Alignment warning when compiling with GCC7 on aarch64 HOT 2
- Issues with Core 2 Duo HOT 1
- [Partial implementation] NEON version HOT 1
- Question: SSSE3 HOT 3
- doc: wikipedia article has been deleted HOT 1
- Failed to build on arm64 HOT 1
- Please strip the installed library HOT 1
- SipHash performs badly on short msgs (< 100 bytes). And missing le64toh swap on key? HOT 4
- Installs an unstripped binary lib/libhighwayhash.so HOT 3
- Builds static library with relocatable code (-fPIC) HOT 3
- Problem with Python 3 bindings HOT 5
- Test fails with gcc 10.2.0 HOT 3
- The tricky __SSE4_1__ macro under Visual Studio HOT 1
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