C Neon

Open-source C projects categorized as Neon
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Topics: Simd Avx Avx512 Arm Avx2
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Top 9 C Neon Projects

  • simde

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

    • Project mention: The Case of the Missing SIMD Code | news.ycombinator.com | 2023-06-08

    I was curious about these libraries a few weeks ago and did some searching. Is there one that's got a clearly dominating set of users or contributors?

    I don't know what a good way to compare these might be, other than perhaps activity/contributor count.

    [1] https://github.com/simd-everywhere/simde

    [2] https://github.com/ermig1979/Simd

    [3] https://github.com/google/highway

    [4] https://gitlab.com/libeigen/eigen

    [5] https://github.com/shibatch/sleef

  • cglm

    📽 Highly Optimized 2D / 3D Graphics Math (glm) for C

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  • CRoaring

    Roaring bitmaps in C (and C++), with SIMD (AVX2, AVX-512 and NEON) optimizations: used by Apache Doris, ClickHouse, and StarRocks

  • SimSIMD

    Up to 200x Faster Inner Products and Vector Similarity — for Python, JavaScript, Rust, and C, supporting f64, f32, f16 real & complex, i8, and binary vectors using SIMD for both x86 AVX2 & AVX-512 and Arm NEON & SVE 📐

    • Project mention: Deep Learning in JavaScript | news.ycombinator.com | 2024-03-28

  • sleef

    SIMD Library for Evaluating Elementary Functions, vectorized libm and DFT

    • Project mention: The Case of the Missing SIMD Code | news.ycombinator.com | 2023-06-08

    I'm the main author of Highway, so I have some opinions :D Number of operations/platforms supported are important criteria.

    A hopefully unbiased commentary:

    Simde allows you to take existing nonportable intrinsics and get them to run on another platform. This is useful when you have a bunch of existing code and tight deadlines. The downside is less than optimal performance - a portable abstraction can be more efficient than forcing one platform to exactly match the semantics of another. Although a ton of effort has gone into Simde, sometimes it also resorts to autovectorization which may or may not work.

    Eigen and SLEEF are mostly math-focused projects that also have a portability layer. SLEEF is designed for C and thus has type suffixes which are rather verbose, see https://github.com/shibatch/sleef/blob/master/src/libm/sleef... But it offers a complete (more so than Highway's) libm.

  • streamvbyte

    Fast integer compression in C using the StreamVByte codec

    • Project mention: XZ: A Microcosm of the interactions in Open Source projects | news.ycombinator.com | 2024-03-30

    Be direct and put the onus on the reporter/contributor to do more work before you will engage.

    e.g., here is Daniel Lemire responding to a very open-ended bug report: https://github.com/lemire/streamvbyte/issues/72

    There is something similar in customer service for my SaaS. Customers give horribly vague bug reports. I used to try to divine what they wanted. That way leads burnout. Instead, make them do more of the work.

  • nsimd

    Agenium Scale vectorization library for CPUs and GPUs

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  • Turbo-Base64

    Turbo Base64 - Fastest Base64 SIMD:SSE/AVX2/AVX512/Neon/Altivec - Faster than memcpy!

    • Project mention: Show HN: The fastest Turbo-Base64 now for Python | news.ycombinator.com | 2023-08-24

    ** Cython bindings for Turbo Base64 [1] **

    - 20-30x faster than the standard library

    - Benchmarks faster than any other C base64 library

    - Fastest implementation of AVX, AVX2, and AVX512 base64 encoding

    - No other dependencies

    [1] - https://github.com/powturbo/Turbo-Base64

  • simd_utils

    A header only library implementing common mathematical functions using SIMD intrinsics

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).

C Neon related posts

Index

What are some of the best open-source Neon projects in C? This list will help you:

Project Stars
1 simde 2,175
2 cglm 2,055
3 CRoaring 1,456
4 SimSIMD 720
5 sleef 590
6 streamvbyte 357
7 nsimd 315
8 Turbo-Base64 254
9 simd_utils 81

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