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Recommended Compiler Options for OpenFOAM on a HPC |
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December 12, 2012, 05:31 |
Recommended Compiler Options for OpenFOAM on a HPC
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#1 |
New Member
Nishit Joseph
Join Date: Nov 2010
Posts: 29
Rep Power: 16 |
Hi
I was wondering if anyone can suggest the compiler options to use with OpenFOAM-2.1.1 to squeeze out the maximum performance on a HPC. The HPC has Intel Xeon CPU E5-2670. I initially compiled OF with:
My initial tests showed the one compiled with gcc was slightly faster when using the MotorBike Tute with simpleFoam. Anyone have anything to share with regards to compiler performance with -O2/-O3 with gcc and/or intel or any other options (eg AVX)? Cheers! NJ |
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December 12, 2012, 10:15 |
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#2 |
Retired Super Moderator
Bruno Santos
Join Date: Mar 2009
Location: Lisbon, Portugal
Posts: 10,982
Blog Entries: 45
Rep Power: 128 |
Hi NJ,
You can find some additional pointers on the comments and blog post here: OpenFOAM with ICC - Intel's ICC is "allergic" to AMD CPUs Best regards, Bruno
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