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We can find the variable CXXOPTIMIZE/OPTIMIZE to modify the options.
Result
O0 Result:
MSVC 19.33.31629 | O0 | Clang15 | O0 | ||
500.perlbench_r | 1158.876899 | 1.373744 | 1175.391681 | 1.354442 | -1.41% |
502.gcc_r | 876.47172 | 1.615568 | 874.259943 | 1.619656 | 0.25% |
505.mcf_r | 840.492653 | 1.922682 | 830.327836 | 1.946219 | 1.22% |
520.omnetpp_r | 1968.219366 | 0.666592 | 1941.018189 | 0.675934 | 1.40% |
523.xalancbmk_r | 1602.713984 | 0.658882 | 1670.802401 | 0.632032 | -4.08% |
525.x264_r | 2240.751749 | 0.781434 | 1599.872048 | 1.094463 | 40.06% |
531.deepsjeng_r | 945.577264 | 1.211958 | 858.81092 | 1.334403 | 10.10% |
541.leela_r | 2542.71477 | 0.651272 | 2407.003167 | 0.687992 | 5.64% |
548.exchange2_r | |||||
557.xz_r | 1181.348912 | 0.914209 | 1099.669843 | 0.982113 | 7.43% |
SPECrate2017_int_base | 1.006158 | 1.067484 | 6.10% | ||
503.bwaves_r | |||||
507.cactuBSSN_r | |||||
508.namd_r | 1156.462228 | 0.821471 | 976.556179 | 0.972806 | 18.42% |
510.parest_r | 2897.094787 | 0.902974 | |||
511.povray_r | 1648.060358 | 1.416817 | 1689.090041 | 1.382401 | -2.43% |
519.lbm_r | 730.963926 | 1.441932 | 474.349233 | 2.221992 | 54.10% |
521.wrf_r | |||||
526.blender_r | 1131.855406 | 1.345578 | 978.278377 | 1.556817 | |
527.cam4_r | |||||
538.imagick_r | 1447.23497 | 1.718449 | 1248.919507 | 1.991321 | 15.88% |
544.nab_r | 939.029472 | 1.792276 | 846.085775 | 1.98916 | 10.99% |
549.fotonik3d_r | |||||
554.roms_r | |||||
SPECrate2017_fp_base | 1.381604 | 1.49433 | 8.16% |
O1 result:
MSVC 19.33.31629 | O1 | Clang15 | O1 | ||
500.perlbench_r | 577.058571 | 2.758819 | 572.917326 | 2.77876 | 0.72% |
502.gcc_r | 401.088755 | 3.530391 | 394.771672 | 3.586884 | 1.60% |
505.mcf_r | 436.545381 | 3.701792 | 471.227337 | 3.429343 | -7.36% |
520.omnetpp_r | 878.880531 | 1.492808 | 878.687742 | 1.493136 | 0.02% |
523.xalancbmk_r | 394.254187 | 2.678475 | 397.621992 | 2.655789 | -0.85% |
525.x264_r | 665.708082 | 2.630282 | 378.619068 | 4.624701 | 75.83% |
531.deepsjeng_r | 389.288872 | 2.943829 | 358.815106 | 3.193845 | 8.49% |
541.leela_r | 624.580502 | 2.65138 | 572.785861 | 2.891133 | 9.04% |
548.exchange2_r | |||||
557.xz_r | 516.374698 | 2.091504 | 537.039062 | 2.011027 | -3.85% |
SPECrate2017_int_base | 2.63815 | 2.829912 | 7.27% | ||
503.bwaves_r | |||||
507.cactuBSSN_r | |||||
508.namd_r | 318.319754 | 2.984421 | 253.464223 | 3.748063 | 25.59% |
510.parest_r | 492.154462 | 5.315404 | |||
511.povray_r | 651.234819 | 3.585496 | 619.564597 | 3.768776 | 5.11% |
519.lbm_r | 293.301958 | 3.593566 | 236.65693 | 4.453704 | 23.94% |
521.wrf_r | |||||
526.blender_r | 352.828239 | 4.316548 | |||
527.cam4_r | |||||
538.imagick_r | 684.180401 | 3.635006 | 435.202322 | 5.714583 | 57.21% |
544.nab_r | 439.243907 | 3.831584 | 353.448188 | 4.76166 | 24.27% |
549.fotonik3d_r | |||||
554.roms_r | |||||
SPECrate2017_fp_base | 3.636296 | 4.569142 | 25.65% |
...