C++ Avx2

Open-source C++ projects categorized as Avx2
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Topics: Simd Avx512 Neon CPP Avx
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Top 15 C++ Avx2 Projects

  • simdjson

    Parsing gigabytes of JSON per second : used by Facebook/Meta Velox, the Node.js runtime, ClickHouse, WatermelonDB, Apache Doris, Milvus, StarRocks

    • Project mention: Tips on adding JSON output to your command line utility. (2021) | news.ycombinator.com | 2024-04-20

    It's also supported by simdjson [0] (which has a lot of language bindings [1]):

    > Multithreaded processing of gigantic Newline-Delimited JSON (ndjson) and related formats at 3.5 GB/s

    [0] https://simdjson.org/

    [0] https://github.com/simdjson/simdjson?tab=readme-ov-file#bind...

  • highway

    Performance-portable, length-agnostic SIMD with runtime dispatch

    • Project mention: Llamafile 0.7 Brings AVX-512 Support: 10x Faster Prompt Eval Times for AMD Zen 4 | news.ycombinator.com | 2024-03-31

    The bf16 dot instruction replaces 6 instructions: https://github.com/google/highway/blob/master/hwy/ops/x86_12...

  • InfluxDB

    Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

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  • CTranslate2

    Fast inference engine for Transformer models

    • Project mention: Distil-Whisper: distilled version of Whisper that is 6 times faster, 49% smaller | news.ycombinator.com | 2023-10-31

    Just a point of clarification - faster-whisper references it but ctranslate2[0] is what's really doing the magic here.

    Ctranslate2 is a sleeper powerhouse project that enables a lot. They should be up front and center and get the credit they deserve.

    [0] - https://github.com/OpenNMT/CTranslate2

  • StringZilla

    Up to 10x faster strings for C, C++, Python, Rust, and Swift, leveraging SWAR and SIMD on Arm Neon and x86 AVX2 & AVX-512-capable chips to accelerate search, sort, edit distances, alignment scores, etc 🦖

    • Project mention: Measuring energy usage: regular code vs. SIMD code | news.ycombinator.com | 2024-02-19

    The 3.5x energy-efficiency gap between serial and SIMD code becomes even larger when

    A. you do byte-level processing instead of float words;

    B. you use embedded, IoT, and other low-energy devices.

    A few years ago I've compared Nvidia Jetson Xavier (long before the Orin release), Intel-based MacBook Pro with Core i9, and AVX-512 capable CPUs on substring search benchmarks.

    On Xavier one can quite easily disable/enable cores and reconfigure power usage. At peak I got to 4.2 GB/J which was an 8.3x improvement in inefficiency over LibC in substring search operations. The comparison table is still available in the older README: https://github.com/ashvardanian/StringZilla/tree/v2.0.2?tab=...

  • DirectXMath

    DirectXMath is an all inline SIMD C++ linear algebra library for use in games and graphics apps

  • Vc

    SIMD Vector Classes for C++

  • libsimdpp

    Portable header-only C++ low level SIMD library

  • WorkOS

    The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.

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  • simdutf

    Unicode routines (UTF8, UTF16, UTF32) and Base64: billions of characters per second using SSE2, AVX2, NEON, AVX-512, RISC-V Vector Extension. Part of Node.js and Bun.

    • Project mention: Glibc Buffer Overflow in Iconv | news.ycombinator.com | 2024-04-21

  • eve

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

  • x86-simd-sort

    C++ template library for high performance SIMD based sorting algorithms

    • Project mention: SIMD based custom object and key-value pair sorting in C++ | news.ycombinator.com | 2024-02-14

  • toys

    Storage for my snippets, toy programs, etc.

    • Project mention: Modern Perfect Hashing for Strings | news.ycombinator.com | 2023-04-30

    I think all of these techniques check whether the input string is correct. For example see here https://github.com/WojciechMula/toys/blob/master/lookup-in-s...

  • sse-popcount

    SIMD (SSE) population count --- http://0x80.pl/articles/sse-popcount.html

  • CPURasterizer

    CPU Based Rasterizer Engine

  • EveryCulling

    This library integrates multiple culling methods into one library.

  • std_find_simd

    std::find simd version

  • SaaSHub

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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++ Avx2 related posts

Index

What are some of the best open-source Avx2 projects in C++? This list will help you:

Project Stars
1 simdjson 18,362
2 highway 3,623
3 CTranslate2 2,776
4 StringZilla 1,776
5 DirectXMath 1,481
6 Vc 1,417
7 libsimdpp 1,188
8 simdutf 948
9 eve 843
10 x86-simd-sort 794
11 toys 311
12 sse-popcount 309
13 CPURasterizer 155
14 EveryCulling 120
15 std_find_simd 18

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