Description:
Optimized BLAS library
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Type: Formula
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Tracked Since: Dec 28, 2025
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Links:
Homepage |
formulae.brew.sh
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Category: Developer tools
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Tags:
linear-algebra
blas
math
scientific-computing
performance
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Install:
brew install openblas
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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.
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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
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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
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Alternatives:
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Apple Accelerate
– Apple's native framework, but OpenBLAS offers better cross-platform consistency
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Intel MKL
– Intel's proprietary library; OpenBLAS is open-source and free
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ATLAS
– Automatically Tuned Linear Algebra Software; OpenBLAS typically offers better performance
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