3

I'm looking for a free cpu benchmark software.

  • cross platform (windows, linux, mac)
  • command line (no gui for headless linux)
  • free or open-source

It does not need to be accurate, a rough number is fine. Or I would consider just writing a crude test in Python.

4

Off the top of my head, I would suggest the Phoronix Test Suite

tldr: GPL OS X, Windows, Linux, Free BSD, Solaris, etc. everything you need

The Phoronix Test Suite is the most comprehensive testing and benchmarking platform available that provides an extensible framework for which new tests can be easily added. The software is designed to effectively carry out both qualitative and quantitative benchmarks in a clean, reproducible, and easy-to-use manner.

The Phoronix Test Suite is based upon the extensive testing and internal tools developed by Phoronix.com since 2004 along with support from leading tier-one computer hardware and software vendors. This software is open-source and licensed under the GNU GPL.

Originally developed for automated Linux testing, support to the Phoronix Test Suite has since been added for Apple OS X, Microsoft Windows, BSD, and Solaris operating systems, among other POSIX compliant platforms such as GNU Hurd. The Phoronix Test Suite consists of a lightweight processing core (pts-core) with each benchmark consisting of an XML-based profile and related resource scripts. The process from the benchmark installation, to the actual benchmarking, to the parsing of important hardware and software components is heavily automated and completely repeatable, asking users only for confirmation of actions.

Also, from their Features page,

Through another Phoronix Test Suite module it is possible to log in real-time various system sensors like the CPU temperature, the battery power consumption, disk read/write speeds, and numerous other sensors.

  • It does NOT support Windows. – rustyx Dec 22 '17 at 14:50
  • @rustyx, yes it does. It lists support for Windows on its main page... – IronManMark20 Apr 23 '18 at 21:49

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