Convenient CPU feature detection and dispatch in the Magnum Engine

• NumPy

  72 24,627 9.9 Python

  The fundamental package for scientific computing with Python.

  

• zlib-ng

  5 1,316 8.2 C

  zlib replacement with optimizations for "next generation" systems.

  

  zlib-ng: https://github.com/zlib-ng/zlib-ng/blob/develop/functable.c

• Mergify

  blog.mergify.com

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• libjpeg-turbo

  6 3,391 8.4 C

  Main libjpeg-turbo repository

  

  libjpeg-turbo: https://github.com/libjpeg-turbo/libjpeg-turbo/blob/main/simd/x86_64/jsimdcpu.asm

• libwebp

  10 1,776 4.9 C

  Mirror only. Please do not send pull requests.

  

• zstd

  29 20,960 9.3 C

  Zstandard - Fast real-time compression algorithm

  

• Skia

  19 7,910 9.1 C++

  Skia is a complete 2D graphic library for drawing Text, Geometries, and Images.

  

• Bullet

  12 11,126 5.8 C++

  Bullet Physics SDK: real-time collision detection and multi-physics simulation for VR, games, visual effects, robotics, machine learning etc.

  

  Bullet: https://github.com/bulletphysics/bullet3/blob/5ae9a15ecac7bc7e71f1ec1b544a55135d7d7e32/src/LinearMath/btCpuFeatureUtility.h

• InfluxDB

  www.influxdata.com

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• wasm-simd

  0 33 10.0

  Documenting Wasm SIMD performance

  This WASM SIMD instruction table is a bit outdated (doesn't show the bitmask instructions I mentioned in the article), but can still give you a pretty good picture about the differences. There are many instructions that map 1:1 to an actual x86 instruction but need several on ARM, and vice versa.

• go

  666 114,681 9.9 Go

  The Go programming language

  

  I hope so, after all if glibc can get away with that with their ifunc-based dispatch (although for a very limited set of APIs), I assumed I could too. I only know about one case where CPU features differed among cores and it wasn't recognized as a good idea :) I would probably collect a lowest common denominator across all cores in that case.

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