------- Additional Comments From dnovillo at gcc dot gnu dot org 2005-01-31 15:26 -------
Similarly for em64t. Build times for SPECint were reduced by 9.2%. Build times for SPECfp were reduced by 7.5%. Compiler bootstrap times were reduced by 4.4%. Comparison between 20050127/spec-20050127.stats and 20050130/spec-20050130.stats (base) Compiler used in 20050127/spec-20050127.stats (Before) Compiler: gcc version 4.0.0 20050127 (experimental) Base flags: -O2 -march=nocona Peak flags: -O3 -march=nocona Processor: Genuine Intel(R) CPU 2.40GHz (1866.740 Mhz) Memory: 4064772 kB Cache: 1024 KB Compiler used in 20050130/spec-20050130.stats (After) Compiler: gcc version 4.0.0 20050130 (experimental) Base flags: -O2 -march=nocona Peak flags: -O3 -march=nocona Processor: Genuine Intel(R) CPU 2.40GHz (1866.740 Mhz) Memory: 4064772 kB Cache: 1024 KB SPECint results for base Benchmark Before After % diff 164.gzip 508.55 482.96 - 5.03% 175.vpr 443.91 445.11 + 0.27% 176.gcc 760.30 762.51 + 0.29% 181.mcf 397.27 397.01 - 0.07% 186.crafty 768.76 745.77 - 2.99% 197.parser 458.55 458.83 + 0.06% 252.eon 0.00 0.00 INF 253.perlbmk 758.73 767.23 + 1.12% 254.gap 836.44 834.91 - 0.18% 255.vortex 0.00 850.80 INF 256.bzip2 557.58 557.19 - 0.07% 300.twolf 576.46 557.28 - 3.33% mean 587.55 602.07 + 2.47% SPECfp result for base Benchmark Before After % diff 168.wupwise 0.00 0.00 INF 171.swim 0.00 0.00 INF 172.mgrid 0.00 0.00 INF 173.applu 0.00 0.00 INF 177.mesa 767.75 765.15 - 0.34% 178.galgel 0.00 0.00 INF 179.art 735.31 741.52 + 0.84% 183.equake 1043.34 1007.83 - 3.40% 187.facerec 0.00 0.00 INF 188.ammp 558.49 536.86 - 3.87% 189.lucas 0.00 0.00 INF 191.fma3d 0.00 0.00 INF 200.sixtrack 0.00 0.00 INF 301.apsi 0.00 0.00 INF mean 757.33 744.36 - 1.71% -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19721