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The simple way to make software fast and composable

Write fast code
Parallelize C/C++ with OpenCilk.
Install
Performance engineering
What is it and why does it matter?
Learn
Teach performance
OpenCilk provides an ideal introduction.
Discover
Go multicore
Convert your code to OpenCilk
Here's how

Write fast code with C/C++ and OpenCilk.

OpenCilk is an open-source platform that makes parallel programming a simple extension of serial programming.

  • Efficient compiling makes your OpenCilk program faster.
  • Provably efficient scheduling tunes each execution of your OpenCilk program to its host environment.
  • Provable race-detection guarantees that your OpenCilk program has a deterministic result.

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