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Facts
| Fact | kimwalisch/libpopcnt 🚀 Fast C/C++ bit population count library | VcDevel/Vc SIMD Vector Classes for C++ | simdjson/simdjson Parsing gigabytes of JSON per second : used by Facebook/Meta Velox, the Node.js runtime, ClickHouse, WatermelonDB, Apache Doris, Milvus, StarRocks | ermig1979/Simd C++ image processing and machine learning library with using of SIMD: SSE, AVX, AVX-512, AMX for x86/x64, NEON, SVE for ARM, HVX for Hexagon | simdutf/simdutf 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. |
|---|---|---|---|---|---|
| Stars | 371 | 1,549 | 24,501 | 2,275 | 2,016 |
| Net stars, last 30 days | +1 | +4 | +173 | +4 | +30 |
| Largest star day | +1 on May 10, 2026 | +2 on May 28, 2026 | +30 on Jul 23, 2026 | +2 on May 15, 2026 | +17 on Jul 22, 2026 |
| Milestone reached in the record | None | None | None | None | None |
| Forks | 43 | 152 | 1,329 | 456 | 164 |
| Language | C++ | C++ | C++ | C++ | C++ |
| License | BSD-2-CLAUSE | BSD-3-CLAUSE | APACHE-2.0 | MIT | APACHE-2.0 |
| Created | Nov 28, 2016 | Feb 25, 2014 | Mar 23, 2018 | Mar 25, 2015 | Feb 4, 2021 |
| Last push | Jul 23, 2026 | Jul 7, 2026 | Nov 4, 2026 | Nov 4, 2026 | Nov 4, 2026 |
| Archived | No | No | No | No | No |
| Health facts: Maintenance | 1 of 4 checks (2 without data) | 1 of 4 checks (2 without data) | 4 of 4 checks | 2 of 4 checks (2 without data) | 2 of 4 checks (2 without data) |
| Health facts: Releases | 1 of 3 checks (1 without data) | 1 of 3 checks (1 without data) | 2 of 3 checks | 2 of 3 checks (1 without data) | 2 of 3 checks (1 without data) |
| Health facts: Security practice | 0 of 1 check (1 without data) | 0 of 1 check (1 without data) | 1 of 1 check | 0 of 1 check (1 without data) | 0 of 1 check (1 without data) |
| Health facts: Community files | 1 of 3 checks (2 without data) | 1 of 3 checks (2 without data) | 2 of 3 checks | 1 of 3 checks (2 without data) | 1 of 3 checks (2 without data) |
| Commits, last 13 weeks | No data | No data | 193 | No data | No data |
| Weeks with commits, last 52 | No data | No data | 45 of 52 | No data | No data |
| In the Repository Index since | Oct 22, 2026 | Oct 22, 2026 | Oct 22, 2026 | Oct 22, 2026 | Oct 22, 2026 |
Topics that all of them have on the Repository Host: neon, simd. The facts come from the Repository Host and from the Star History that AwesomeRepos records. A shared topic does not mean that one repository can replace another. Each Health Facts row is one dimension alone. AwesomeRepos does not add them into one score. How each check is defined