openblas ☆
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Description:
Optimized BLAS library
Type: Formula  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  formulae.brew.sh
Category: Developer tools
Tags: linear-algebra blas math scientific-computing performance
Install: brew install openblas
About:
OpenBLAS is an optimized Basic Linear Algebra Subprograms (BLAS) library based on GotoBLAS2. It provides highly optimized implementations of Level 1, Level 2, and Level 3 BLAS routines for various CPU architectures, delivering significant performance improvements over reference implementations.
Key Features:
  • Architecture-specific optimizations for x86, ARM, and PowerPC
  • Multi-threaded performance with OpenMP or pthreads
  • Drop-in replacement for vendor BLAS libraries
  • Supports complex number operations and LAPACK routines
Use Cases:
  • High-performance scientific computing and numerical analysis
  • Accelerating machine learning frameworks and deep learning libraries
  • Matrix operations in R, Python (NumPy/SciPy), and Julia
Alternatives:
  • Apple Accelerate – Apple's native framework, but OpenBLAS offers better cross-platform consistency
  • Intel MKL – Intel's proprietary library; OpenBLAS is open-source and free
  • ATLAS – Automatically Tuned Linear Algebra Software; OpenBLAS typically offers better performance
Version History
Detected Version Rev Change Commit
Feb 2, 2026 12:21pm 1 REVISION_ONLY d1ad802d
Sep 11, 2025 10:43am 0 VERSION_BUMP e832f8c0
Jan 12, 2025 6:37pm 0 VERSION_BUMP 0d8eee8d
Jan 12, 2025 2:10pm 0 VERSION_BUMP 4b158d7d
Oct 26, 2024 9:34pm 0 VERSION_BUMP 9ce9c693
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