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LuxMark is a OpenCL benchmark tool. The idea for the program was conceived in 2009 by Jromang. It was intended as a promotional tool for LuxRender (to quote original Jromang's words: "LuxRender propaganda with OpenCL"). The idea was quite simple, wrap SLG inside an easy to use graphical user interface and use it as a benchmark for OpenCL. After Anandtech adoption of SLG as OpenCL benchmark, the code was finally written.

LuxMark about.jpg



  • Open source
  • 100% OpenCL
  • Cross platform (Linux, MacOS, Windows, etc.)
  • Complex/real world code used as GPU computing benchmark
  • Support for OpenCL GPUs-only, OpenCL CPUs+GPUs, OpenCL CPUs-only and native CPU-only benchmarking
  • Support for Interactive mode
  • Easy to run
  • Multiple scenes usable as benchmarks


Windows 32bit executables:

Windows 64bit executables: (you may have to download and install VisualStudio 2008 SP1 x64 redistributable)

Linux 64bit executables:

MacOSX 32/64bit universal for Intel-Macs:

NOTE: there is a known bug in NVIDIA drivers when using the 32bit executable with Windows 64bit, just use the 64bit executable to fix the problem.

License & Sources

LuxMark is part of LuxRays source repository and is release under GPL license. The souce are available at



A list of result obtained with LuxMark is available here