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Data / Repositories / Simd

Simd repositories on GitHub: 9 ranked by stars

9 public repositories tagged Simd are on GitHub, with 41,327 stars between them; 7 had a push in the last 30 days. Most are written in C++ (4), C (2), Rust (2). The most starred: simdjson/simdjson (24,397), google/highway (5,926), ashvardanian/StringZilla (3,570).

SpecStream is the live web data engine for teams and agents. It reads open-source repositories on GitHub and keeps what it reads, and this page groups that reading by topic. Ask for the repositories you track by topic, language, license or activity, and new ones and changes arrive in your sheet, CRM, Slack or agent.

Every repository, most starred first

RepositoryWhat it isLanguageStarsForksLicenseLast pushRead
simdjson/simdjsonParsing gigabytes of JSON per second : used by Facebook/Meta Velox, the Node.js runtime, ClickHouse, WatermelonDB, Apache Doris, Milvus, StarRocksC++24,3971,310Apache-2.0Oct 10Oct 11
google/highwayPerformance-portable, length-agnostic SIMD with runtime dispatchC++5,926480Oct 10Oct 11
ashvardanian/StringZillaUp to 100x faster strings for C, C++, CUDA, Python, Rust, Swift, JS, & Go, leveraging NEON, AVX2, AVX-512, SVE, GPGPU, & SWAR to accelerate search, hashing, sorting, edit…C3,570142Apache-2.0Oct 8Oct 11
ada-url/adaWHATWG-compliant and fast URL parser written in modern C++, part of Internet Archive, Node.js, Clickhouse, Redpanda, Kong, Telegram, Adguard, Datadog and Cloudflare Workers.C++1,882147Apache-2.0Oct 10Oct 11
DLTcollab/sse2neonA translator from Intel SSE intrinsics to Arm/Aarch64 NEON implementationC++1,531236MITSep 13Oct 11
Daniel-Liu-c0deb0t/uwufastest text uwuifier in the westRust1,42443MITJan 2, 2024Oct 11
usamahz/cpu-performance-engineeringA reading path for CPU performance engineering, from one instruction to production inference. Primary sources only, with a runnable benchmark for every section.Python1,15589MITOct 8Oct 15
ogxd/gxhashUnsafely fast hashing algorithmRust1,03240MITSep 28Oct 11
prabanta-dev/janas37 tok/s from Qwen3-Next-80B (48 GB) on a 32 GB laptop, 24 without drafts vs 2.8 for llama.cpp; reading 62 vs 16 tok/s. Faster than llama.cpp on all 13 models compared in Q4_K_M.…C41029GPL-3.0Oct 14Oct 15

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Read from GitHub by SpecStream between October 11, 2026 and October 15, 2026; each row shows the day its repository was read. Stars and pushes change every day, and the GitHub page is the current one. Forks and archived repositories are left out.