Power9 Benchmarks vs. Intel Xeon vs. AMD EPYC Performance on Debian Linux

Re:Power9 Benchmarks vs. Intel Xeon vs. AMD EPYC Performance... by xvf22 on Friday April 13, 2018 @01:29PM (#16832058)

I wonder how 1P vs 2P would affect memory bandwidth. The 1P vs 2P difference would probably be deeper than just CPU clock speed.

Also, I wonder if these were Meltdown and Spectre patched.

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Re:Power9 Benchmarks vs. Intel Xeon vs. AMD EPYC Performance... by Terribledactyl on Friday April 13, 2018 @01:40PM (#16832164)

If you are memory throughput bound, and both processors are working independently (think embarrassingly parallelizable problems) you'd probably benefit from the total throughput change.

Otherwise it's pretty easy to get worse performance due to numa issues

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Re:Power9 Benchmarks vs. Intel Xeon vs. AMD EPYC Performance... by zrm on Friday April 13, 2018 @02:09PM (#16832450)

EPYC is already four NUMA nodes per socket though.

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