rust-lang/portable-simd

Health v2 · maintenance only

Flags: no_releases

Adoption not part of the score

1072 stars · 106 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

The official Rust project group repository developing a portable SIMD API for the Rust standard library, exposing architecture-independent SIMD vector types like f32x4. It is a nightly-only testing ground for a future std::simd stabilization.

Use cases

• write portable SIMD code in Rust that compiles across x86 and ARM
• vectorize numeric loops with SIMD vectors without writing intrinsics
• experiment with the future std::simd API on nightly Rust
• perform element-wise math on fixed-size float or integer vectors
• prototype data-parallel kernels before SIMD stabilization

When to choose

• you need architecture-portable SIMD in Rust without per-target intrinsics
• you are on nightly Rust and want to help test the future std::simd API
• you want operator-overloaded SIMD vectors up to 512 bits

When to avoid

• you need a stable, production-guaranteed API today
• you require architecture-specific intrinsics or the latest CPU features, where stdarch is a better fit
• your project must build on stable Rust

Facets

library · maturity experimental

concurrency compiler developer-tools programming-languages performance rust cross-platform simd vectorization nightly-rust std-library portable-simd algorithms gpu

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