- Apr 18, 2013
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I'm trying to figure out if I should be buying AMD or Intel processors for a new cluster I have a grant for. The problem is that I know that the Opteron 6100 and 6200 processors had terrible HPC performance, especially with memory intensive applications that use doubles intensively. I've read that 2 of the 3 major performance issues involving memory have been fixed in the opteron 6300s, but as of right now all I can find for benchmarks that aren't from AMD is one anandtech article with 1 HPC benchmark. I know Xeon E5s are still a few percent faster than Opteron 6300s in general because of that article, but I'm not familiar with the 1 HPC benchmark they use. I'd rather see benchmarks from gaussian, q-chem, and other programs I might use to see if they actually encounter the 1 major performance issue that hasn't been fixed yet with the opteron 6300 family. Getting a few more nodes would be nice if there isn't a large performance cost like there was with previous generations of opterons.
So does anyone have any decent benchmarks or experience with the new Opterons relevant to HPC?
So does anyone have any decent benchmarks or experience with the new Opterons relevant to HPC?
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