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Yann Collet Cyan4973

data compression

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Popular repositories

xxHash

Extremely fast non-cryptographic hash algorithm

C 4k 388
FiniteStateEntropy

New generation entropy codecs : Finite State Entropy and Huff0

C 876 89
Writing_Safer_C_code

Collection of articles on good practices and tools to improve C code quality

80 5
RygsDXTc

Real-time DXT1/DXT5 texture compressor

C 53 9
mmc

Automatically exported from code.google.com/p/mmc

C 15 4
smhasher

Forked from rurban/smhasher

Improved fork of https://code.google.com/p/smhasher/

C++ 6 1

1,231 contributions in the last year

Activity overview

Contributed to facebook/zstd, Cyan4973/xxHash, lz4/lz4 and 5 other repositories

Contribution activity

June 2020

Created a pull request in Cyan4973/xxHash that received 9 comments

Intel vector instruction dispatcher

Started from a baseline developed by @easyaspi314 (#358), xxh_x86dispatch.c makes it possible to dynamically detect which vector instruction set is…

+1,491 −573 • 9 comments

fixed performance issue reported in #398 Jun 19
allow optional compilation of libxxhash with DISPATCH=1 Jun 18
introduced --tag for BSD-style output Jun 18
fixed demerphq avalanche tests for len [0-3] Jun 17
added make install target for cygwin Jun 15
compatibility with turbosfv Jun 15
Updated benchmark module Jun 13
Key Derivation function Jun 8
remove alignment check on aarch64 Jun 4
Dispatcher xxh3 Jun 3

Explicitly use __cdecl for qsort, to avoid warning when default calling convention is not __cdecl Jun 19
[actions] adding arm to actions Jun 18
[actions] Migrating valgrind test Jun 18
[cli] Allowing stdin on --patch-from using --stream-size Jun 18
Removing de-duplication of cmake flags Jun 15
Install pkg-config file on MINGW also Jun 15
Install runtime components (i.e. DLLs) to BINDIR Jun 15
meson: remove build requirement for distutils Jun 15
Dedicated dict search rough draft 1 Jun 15
[lib] Allow compression dictionaries with missing symbols Jun 15
Make --version respect -q for ouptut a shorter version string Jun 11
Fixing some typos Jun 5
Check environmental variables in playTests.sh and add default values Jun 3
[ci] Adding bourne shell compatibility test Jun 2
[cmake] Fix dll install location Jun 2

Some Makefile improvements Jun 17
[WIP] implementation of XXH3 dispatcher Jun 3

[build] FreeBSD update version 12.0 -> 12.1 Jun 6

Created an issue in Cyan4973/xxHash that received 1 comment

Refactor benchmark mode

I would like to refactor the benchmark mode, so that I can introduce more variants to be tested without making the "default" benchmark unbearable s…

1 comment

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