Benchmarking A\b on the GPU runs on CPU in parallel?

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Ivan on 19 May 2013

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https://nl.mathworks.com/matlabcentral/answers/76322-benchmarking-a-b-on-the-gpu-runs-on-cpu-in-parallel

Hi,

I want to ask if the this benchmark: http://www.mathworks.com/products/parallel-computing/examples.html?file=/products/demos/shipping/distcomp/paralleldemo_gpu_backslash.html runs on the CPU in parallel or sequentially. I have Intel Xeon L5640 with 12 cores and i want to now if the benchmark runs on all cores or just 1.

Thanks for answer.

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Jill Reese on 20 May 2013

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https://nl.mathworks.com/matlabcentral/answers/76322-benchmarking-a-b-on-the-gpu-runs-on-cpu-in-parallel#answer_86046

The CPU portion of this benchmark is multithreaded, so you should see more than one core working during the linear system solve.

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