[Beowulf] Multi-core benchmarking
deadline at eadline.org
Mon Jul 18 10:22:57 PDT 2011
forward from Mikhail Kuzminsky:
> Dear Douglas,
> I can't send my messages directly to beowulf maillist, so could you pls
> forward my answer manually to beowulf maillist ?
> 18 Ð¸ÑÐ»Ñ 2011, 18:20 Ð¾Ñ "Douglas Eadline" <deadline at eadline.org>:
> I had recently run some tests on a few multi-core
> processors that I use in my Limulus Project
> Â Benchmarking A Multi-Core Processor For HPC
> I have always been interested in how well
> multi-core can support parallel codes.
> I used the following CPUs:
> Â Â * Intel Core2 Quad-core Q6600 running at 2.4GHz (Kentsfield)
> Â Â * AMD Phenom II X4 quad-core 910e running at 2.6GHz (Deneb)
> Â Â * Intel Core i5 Quad-core i5-2400S running at 2.5 GHz (Sandybridge)
> The compiler used was gfortran. Does it have AVX support ? For full AVX
> extension support for i5
> Â we need gcc 4.6. 0 or higher.
gfortran version 4.4.4, I don't think it has AVX. I was mostly
interested in memory bandwidth in these tests. I will
be testing compilers at some other point.
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