SPEC CPU result comparison

Comparison of x86_64 levels - Summer 2022

454.calculix

Compilers:

Methods:

Levels:

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AMD EPYC 7543P (zen3 based Milan)

The values shown as "run-times" are not actual times but normalized times, the biggest obtained time was assigned to be 500 and the others were scaled appropriately



gcc12 GCC 12.1.0
Smaller is better.

Intel Cascade Lake Xeon

The values shown as "run-times" are not actual times but normalized times, the biggest obtained time was assigned to be 500 and the others were scaled appropriately



gcc12 GCC 12.1.0
Smaller is better.

Regressions

Time What Against Machine
17.69% gcc12 lto O2 x86_64_v3 gcc12 lto O2 x86_64_v2 AMD EPYC 7543P (zen3 based Milan) Chart Table
17.14% gcc12 lto O2 x86_64_v3 gcc12 lto O2 generic AMD EPYC 7543P (zen3 based Milan) Chart Table
Regressions smaller than 2% are not shown.