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sse2

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Here are 92 public repositories matching this topic...

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simd-everywhere / simde

Star 3.1k

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

arm neon avx sse simd avx2 sse2 vectorization arm64 sse41 fma avx512 powerpc altivec ssse3 sse42 sse3 mmx simd-intrinsics gfni
  • Updated Nov 11, 2026
  • C

fastfloat / fast_float

Star 2.1k

Fast and exact implementation of the C++ from_chars functions for number types: 4x to 10x faster than strtod, part of GCC 12, MySQL, DuckDB, Chromium, Redis and WebKit/Safari

macos linux freebsd visual-studio high-performance neon cpp11 simd cpp17 sse2 cpp-library
  • Updated Nov 10, 2026
  • C++

bitshifter / glam-rs

Star 2.1k

A simple and fast linear algebra library for games and graphics

rust simd sse2 3d-math-libraries
  • Updated Nov 8, 2026
  • Rust
simdutf

simdutf / simdutf

Star 2k

Unicode routines (UTF8, UTF16, UTF32) and Base64: billions of characters per second using SSE2, AVX2, NEON, AVX-512, RISC-V Vector Extension, LoongArch64, POWER. Part of Node.js, WebKit/Safari, Ladybird, Chromium, Cloudflare Workers, Ghostty and Bun.

unicode base64 transcoding neon simd avx2 sse2 utf8 risc-v utf16 ppc64le avx-512
  • Updated Nov 10, 2026
  • C++
ada

ada-url / ada

Star 1.9k

WHATWG-compliant and fast URL parser written in modern C++, part of Internet Archive, Node.js, Clickhouse, Redpanda, Kong, Telegram, Adguard, Datadog and Cloudflare Workers.

url parser performance cpp neon simd sse2 whatwg-url
  • Updated Nov 12, 2026
  • C++
eve

jfalcou / eve

Star 1.4k

Expressive Vector Engine - SIMD in C++ Goes Brrrr

cpp hpc neon avx simd avx2 sse2 simd-programming cpp-library aarch64 avx512 simd-parallelism altivec ssse3 simd-library arm-sve arm-sve2
  • Updated Nov 10, 2026
  • C++
sleef

shibatch / sleef

Sponsor
Star 870

SIMD Library for Evaluating Elementary Functions, vectorized libm and DFT

cuda simd elementary-functions avx2 sse2 fft vectorization math-library aarch64 avx512 powerpc vsx vector-math fourier-transform s390x quadruple-precision fourier-transform-library
  • Updated Dec 25, 2025
  • C
TurboPFor-Integer-Compression

powturbo / TurboPFor-Integer-Compression

Star 851

Fastest Integer Compression

encoding library compression time-series simd compressor integer-compression intersection inverted-index avx2 sse2 floating-point
  • Updated Oct 8, 2026
  • C

p-ranav / fccf

Star 392

fccf: A command-line tool that quickly searches through C/C++ source code in a directory based on a search string and prints relevant code snippets that match the query.

search fast libclang cpp find clang cpp11 simd needle cpp17 sse2 command-line-tool c-language abstract-syntax-tree c-programming code-search-engine
  • Updated Oct 26, 2026
  • C++

agenium-scale / nsimd

Star 348

Agenium Scale vectorization library for CPUs and GPUs

hpc neon cuda avx simd avx2 sse2 simd-programming aarch64 avx512 simd-instructions simd-library sse42 rocm cpp20 sve neon128 cpp20-library vectorization-library
  • Updated Oct 21, 2021
  • C

powturbo / Turbo-Run-Length-Encoding

Star 288

TurboRLE-Fastest Run Length Encoding

c java c-plus-plus benchmark rle sse simd avx2 run-length-encoding sse2
  • Updated Jul 14, 2026
  • C

agenium-scale / boost.simd

Star 230

Boost SIMD

portable neon parallel-computing avx sse cpp11 simd avx2 sse2 simd-programming vectorization sse41 fma aarch64 avx512 sse42 sse3 avx512f neon128 neon64
  • Updated Apr 10, 2019

kolemannix / ffc.h

Star 225

Single-header c99 accelerated float/double parsing. Port of the fast_float library.

c parsing portable high-performance neon simd sse2 single-header single-header-library
  • Updated Oct 2, 2026
  • C

swojtasiak / fcml-lib

Star 96

A general purpose machine code manipulation library for x86-32 (IA-32) and x86-64 (AMD64) architectures (Assembler, Disassembler, Library).

code-generator x86-64 assembler disassembler intel avx sse x86 avx2 sse2 amd64 sse41 ssse3 sse42 sse3 xop x86-32 shared-library avx-512
  • Updated May 3, 2026
  • C

VectorChief / UniSIMD-assembler

Star 89

SIMD macro assembler unified for ARM, MIPS, PPC and x86

mips neon x86-64 assembler avx sse simd x86 armv7 avx2 sse2 aarch64 avx512 powerpc altivec vsx msa vmx spmd sve
  • Updated Nov 11, 2026
  • C

Fig1024 / OP_RBF

Star 79

Optimized Recursive Bilateral Filter

computer-vision image-processing multithreading avx2 sse2 bilateral-filter simd-intrinsics
  • Updated Aug 30, 2023
  • C

powturbo / Turbo-Histogram

Star 74

Fastest Histogram Construction

c c-plus-plus benchmark histogram sse simd avx2 sse2
  • Updated Dec 29, 2021
  • C

LinuxCoder13 / AmmAsm

Star 58

x86-64 assembler written in C

linux compiler x86-64 architecture assembler osdev avx sse abi avx2 sse2 avx512 systems-programming apx elf64
  • Updated Nov 11, 2026
  • C

Auburn / FastSIMD

Sponsor
Star 51

Low level generic SIMD wrapper for x86, ARM, WASM with dynamic dispatch

wasm simd x86 avx2 sse2 arm64 avx512
  • Updated Oct 21, 2026
  • C++

unevens / hiir

Star 48

A header only ready to include mirror of the HIIR library by Laurent De Soras, an oversampling and Hilbert transform library in C++, with additional support for double precision on ARM AArch64 using Neon.

audio neon avx sse simd sse2 resampling audio-processing
  • Updated Nov 1, 2021
  • C++

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