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OpenCL Benchmark
OpenCL Benchmark
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OpenCL Benchmark free download for Mac

OpenCL Benchmark

Version 2.0

A benchmarking utility for OpenCL (Legacy).

Absolutely Free
This app is no longer supported by it's developer. You can find similar apps here.

OpenCL Benchmark overview

OpenCL Benchmark, for Snow Leopard only with:

  • NVIDIA: 8xxx(M), 9xxx(M), GT1xx, GT2xx, GTX2xx
  • ATI: 4850, 4870 - maybe 10.6.2 update needed to run withput failures

OPENCL - background information:

  • OpenCL is an API for universal GPU(CPU) computing, Mac OS X 10.6 supports that
  • Main difference to CUDA / ATI STEAM is: both APIs ate vendor specific.A CUDA (NV) app like badaboom(h264 on GPU) can't work on an ATI gpu and vice versa
  • OpenCL is universal means:
  • Xcode compiles an code which includes the source (C like) for the gpu That source is , different to CUDA/ATI STEAM, compiled later by OpenCL at runtime ! So same App can run on complete different gpus and also , without/less code change on CPU if no OPENCL gpu (newer ones) is available. GPU advantadge may vary - from 2 up to 40 faster, depends GPU type and CPU´s typeOpenCL speedup could be even faster, if the memory transfer/access between GPU and CPU would be faster. PCIe Memory Transferlimit outperforms such GPUs like GTX285. I believe in 2011+ some new PCIe Versions will be developed for higher bandwidth over PCIe

What’s new in version 2.0

Updated on May 07 2020

Version 2.0:
  • Added 3 OpenCl benches/demos from Nvidia (may run on ATI latzer with 10.6.2)
  • Teapot - very much difference between CPU and GPU
  • Memory Bandwithtest:
    • Shows CPU<>GPU bottleneck for memory transfers over PCIe
    • Volume Renderer





13.5 MB



App requirements

  • Intel 32
  • PPC 32
  • Mac OS X 10.6 or later
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