C++ simd-programming

Open-source C++ projects categorized as simd-programming

Top 4 C++ simd-programming Projects

  • highway

    Performance-portable, length-agnostic SIMD with runtime dispatch

    Project mention: JPEG XL and the Pareto Front | news.ycombinator.com | 2024-03-01

    [0] for those interested in Highway.

    It's also mentioned in [1], which starts off

    > Today we're sharing open source code that can sort arrays of numbers about ten times as fast as the C++ std::sort, and outperforms state of the art architecture-specific algorithms, while being portable across all modern CPU architectures. Below we discuss how we achieved this.

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

    [1] https://opensource.googleblog.com/2022/06/Vectorized%20and%2..., which has an associated paper at https://arxiv.org/pdf/2205.05982.pdf.

  • Vc

    SIMD Vector Classes for C++

  • JetBrains Dev Survey

    What’s up with the C++ ecosystem in 2023? JetBrains Developer Ecosystem Survey 2023 has given us many interesting insights. The Embedded (37%) and Games (39%) industries are already working with C++20, developers are incorporating static analysis in their CI, and ChatGPT usage among coders is flourishing. Read on for more!

  • eve

    Expressive Vector Engine - SIMD in C++ Goes Brrrr (by jfalcou)

    Project mention: Lack of modern scientific libraries written in C | /r/C_Programming | 2023-04-06

    C++ offers tools for writing better APIs, and since the addition of concepts in C++20 it offers much better API enforcement. Writing an equivalent to libraries such as {fmt} or EVE is not possible in anything we’d call C.

  • volk

    The Vector Optimized Library of Kernels (by gnuradio)

    Project mention: RISC-V Business: Testing StarFive's VisionFive 2 SBC | news.ycombinator.com | 2023-03-03

    I wonder how much of the performance will improve when compilers get better at RISC-V.

    It's been a long time since I could beat the compiler at optimizing assembly on x86, yet in the end merely unrolling a loop and keeping an eye on write-read stalls I managed to get a simple "multiply array by const" about 56% faster:


    And that's with hardware that doesn't even have vector instructions! I'd understand GCC not supporting that yet.

    Some other quickstart docs and hot takes from me on this hardware: https://blog.habets.se/2023/01/VisionFive-2-quickstart.html

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 2024-03-01.

C++ simd-programming related posts


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

Project Stars
1 highway 3,502
2 Vc 1,392
3 eve 804
4 volk 499
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