To buy an HPC system the first and the foremost task is to select the processor. I am attaching some slides which are the average results the processors are providing across various vendor platforms. The data required for these have been taken from Spec.org. Moreover the data shown here is from the systems tested after May2009.
The first three set of images show the comparison between CFP2006 results, FEA averaged results and CFD averaged results. For a fair comparison only processors with same number of cores/chip have been compared.
Comparison based on Overall Floating Point results
The first three set of images show the comparison between CFP2006 results, FEA averaged results and CFD averaged results. For a fair comparison only processors with same number of cores/chip have been compared.
Comparison based on Overall Floating Point results
8/12 cores per chip
Comparison based on FEA codes
4 Cores per Chip
6 Cores per Chip
8/12 Cores per Chip
Comparison based on CFD codes
4 Cores per Chip
8/12 Cores per Chip
Power 7 based CPUs definitely have are the best in the market at the moment, but AMD are still the cheapest providing more cores in the same price. Overall I would prefer Intel Xeon in the current processor market.
I have been an overall fan of AMD all my life, but in the current market. AMD seems to be loosing. Lets hope some day we will have an HPC under our desk to perform simulation.
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