On 08 Oct 23:02, Petr Murzin wrote: > Hi, > I have measured performance impact on Haswell platform according to this > input: > https://gcc.gnu.org/ml/gcc-patches/2014-06/msg00978.html Same in plain text: For `-O2': Test Previous Current Ratio(%) 400.perlbench 46.2000 46.2000 +0% 401.bzip2 29.0000 29.0000 +0% 403.gcc 41.0000 41.2000 +0.48% 429.mcf 53.7000 53.3000 -0.74% 445.gobmk 32.3000 32.3000 +0% 456.hmmer 32.3000 32.3000 +0% 458.sjeng 36.1000 36.4000 +0.83% 462.libquantum 84.5000 84.3000 -0.23% 464.h264ref 64.4000 64.4000 +0% 471.omnetpp 27.7000 27.9000 +0.72% 473.astar 28.1000 28.0000 -0.35% 483.xalancbmk 49.9000 50.2000 +0.60% 410.bwaves 93.2000 93.4000 +0.21% 416.gamess 41.9000 41.8000 -0.23% 433.milc 37.9000 37.8000 -0.26% 434.zeusmp 48.5000 48.4000 -0.20% 435.gromacs 32.5000 32.6000 +0.30% 436.cactusADM 82.8000 80.9000 -2.29% 437.leslie3d 55.6000 55.7000 +0.17% 444.namd 32.1000 32.1000 +0% 447.dealII 67.5000 67.5000 +0% 450.soplex 48.0000 47.9000 -0.20% 453.povray 58.3000 58.4000 +0.17% 454.calculix 37.6000 37.6000 +0% 459.GemsFDTD 44.5000 44.7000 +0.44% 465.tonto 28.6000 28.6000 +0% 470.lbm 67.9000 67.8000 -0.14% 481.wrf 49.4000 49.5000 +0.20% 482.sphinx3 68.7000 68.6000 -0.14% Geomeans: INT 41.14 41.18 +0.11% FP 49.82 49.76 -0.12% ALL 46.03 46.01 -0.02%
For `-O3': Test Previous Current Ratio(%) 400.perlbench 46.2000 46.2000 +0% 401.bzip2 29.0000 29.1000 +0.34% 403.gcc 41.1000 41.2000 +0.24% 429.mcf 53.4000 54.6000 +2.24% 445.gobmk 32.3000 32.3000 +0% 456.hmmer 32.3000 32.3000 +0% 458.sjeng 36.1000 36.4000 +0.83% 462.libquantum 84.0000 84.8000 +0.95% 464.h264ref 64.2000 64.3000 +0.15% 471.omnetpp 27.6000 27.8000 +0.72% 473.astar 28.0000 28.0000 +0% 483.xalancbmk 50.1000 49.8000 -0.59% 410.bwaves 93.5000 93.6000 +0.10% 416.gamess 41.8000 41.9000 +0.23% 433.milc 37.8000 37.8000 +0% 434.zeusmp 48.5000 48.4000 -0.20% 435.gromacs 32.6000 32.4000 -0.61% 436.cactusADM 80.4000 81.2000 +0.99% 437.leslie3d 55.7000 55.7000 +0% 444.namd 32.1000 32.1000 +0% 447.dealII 67.6000 67.6000 +0% 450.soplex 48.6000 48.2000 -0.82% 453.povray 58.3000 58.5000 +0.34% 454.calculix 37.6000 37.6000 +0% 459.GemsFDTD 44.7000 44.6000 -0.22% 465.tonto 28.6000 28.6000 +0% 470.lbm 68.1000 68.1000 +0% 481.wrf 49.5000 49.6000 +0.20% 482.sphinx3 68.5000 68.0000 -0.72% Geomeans: INT 41.08 41.25 +0.41% FP 49.80 49.78 -0.04% ALL 45.99 46.06 +0.14% -- Thanks, K
