Top 4 C Avx2 Projects

simde

2 1,612 5.6 C

Implementations of SIMD instruction sets for systems which don't natively support them.

Project mention: Portable SIMD library | reddit.com/r/C_Programming | 2022-11-15

SIMDe is everything you're after: https://github.com/simd-everywhere/simde
TurboPFor

3 640 2.0 C

Fastest Integer Compression

Project mention: q_compress 0.7: still has 35% higher compression ratio than .zstd.parquet for numerical sequences, now with delta encoding and 2x faster than before | reddit.com/r/rust | 2022-02-17

I'm the author of TurboPFor-Integer-Compression. Q_compress is a very interresting project, unfortunatelly it's difficult to compare it to other algorithms. There is not binary or test data files (with q_compress results) available for a simple benchmark. Speed comparison would also be helpfull.
Scout APM

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nsimd

1 262 0.0 C

Agenium Scale vectorization library for CPUs and GPUs

Project mention: SPO600 project part 1 | dev.to | 2022-03-22

I've decided to switch to something better, and after a few hours of searching, I found this repository: NSIMD https://github.com/agenium-scale/nsimd FastDifferentialCoding https://github.com/lemire/FastDifferentialCoding VS https://github.com/VcDevel/Vc XSIMD https://github.com/xtensor-stack/xsimd
Turbo-Base64

1 155 6.4 C

Turbo Base64 - Fastest Base64 SIMD/Neon/Altivec

Project mention: Show HN: Turbo Base64 the fastest base64 now more faster | news.ycombinator.com | 2022-02-14

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020). The latest post mention was on 2022-11-15.