A Look At How The Linux Performance Has Evolved Since The AMD EPYC Launch
Written by Michael Larabel in Processors on 7 June 2019. Page 2 of 6. 11 Comments

In the case of NASA's NAS Parallel Benchmarks (NPB), there were very surprising boosts to see in performance on AMD EPYC going from Ubuntu 17.04 to 19.04 and to a smaller extent even with the upgrade to Linux 5.2. The NPB improvements likely come from Znver1 optimizations made between GCC6 and GCC8 as well as kernel improvements benefiting multi-process workloads.

Several of the Parboil and Rodinia OpenMP-threaded scientific test cases were also showing quite measurable improvements from Ubuntu 17.04 to Ubuntu 19.04.

The HPCG HPC benchmark performance was also improving little by little.

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