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Simple CPU burn program for the major UNIX systems: AIX, BSD, HP-UX, Linux, Solaris etc (full list in the source file #defines). It will discover # of CPU cores and fork the threads to create load on all cores by default.

The number of threads and memory block size can be changed from command line.

LinuxCPUBurn Web Site


  • Simulates load for some or all CPUs to test cooling system
  • Uses memory buffers of given size (same for all CPUs) to test memory
  • Tested under Fedora 19 x64, FreeBSD 10 x64, Solaris 11 x64. Expected to work on 32 bit systems as well.

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Developers, System Administrators

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