simde ☆
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Description:
Implementations of SIMD intrinsics for systems which don't natively support them
Type: Formula  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  @simd_everywhere  |  formulae.brew.sh
Category: Developer tools
Tags: simd intrinsics performance portability vectorization cryptography
Install: brew install simde
About:
SIMD Everywhere (SIMDe) provides header-only implementations of SIMD intrinsics for architectures that lack native support. It enables developers to write portable SIMD code once and compile it across various platforms without rewriting architecture-specific implementations. This library significantly lowers the barrier to entry for high-performance computing on non-standard hardware.
Key Features:
  • Header-only library requiring no compilation or linking
  • Supports over 100 instruction sets including SSE, AVX, NEON, and SVE
  • Zero-overhead abstractions with runtime CPU feature detection
  • Seamless fallback to scalar operations when SIMD is unavailable
Use Cases:
  • Porting high-performance multimedia applications to embedded systems
  • Optimizing machine learning inference on diverse hardware architectures
  • Cross-platform game engine development requiring consistent SIMD behavior
Alternatives:
  • Agner Fog's VCL – VCL is C++ specific and focused on x86, while SIMDe is C-compatible and supports broader architectures
  • Standard C++ Parallel Algorithms – Standard algorithms provide higher-level abstractions but lack fine-grained SIMD control
Version History
Detected Version Rev Change Commit
May 16, 2023 7:21pm 0 VERSION_BUMP e91b63dc
May 16, 2023 11:21am 0 VERSION_BUMP cdc13cc9
May 6, 2023 3:33pm 0 VERSION_BUMP 68a59c96
May 6, 2023 9:41am 0 VERSION_BUMP 93a296c2
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