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ANNOUNCE.md

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Announcing CPUFeature 0.2.0

Hi everyone,

CPUFeature is a tool for detecting CPU features on x86/AMD64 processors. In particular it is engineered to have very low overhead on import (~ 1 ms) and to detect features that are often important in high-performance computing where hybrid combinations of multi-threading and multi-processing are used. Detects CPU features such as:

  • SIMD instruction support
  • Number of cores (both virtual and physical)
  • Number of CPUs on the motherboard.
  • Cache sizes

It is written in C99. It supports Windows with MSVC and Linux with GCC/LLVM compilers. MacOSX should also work with GCC/LLVM. CPUFeature is licensed under Creative Commons Zero, so it may be freely incorporated as a submodule into your own projects.

CPUFeature is considered to be in an alpha state because while it is tested via GitHub Actions on a variety of platforms, we expect edge cases to appear.

Changes for 0.2.0

  • Added support for AMD processors.
  • Added a script for valgrind to more easier locate problems when the module crashes.