Author: Eran Karu
Date: 21:25:16 12/09/03
Go up one level in this thread
On December 09, 2003 at 23:47:24, Robert Hyatt wrote: >On December 09, 2003 at 23:44:10, Slater Wold wrote: > >>On December 09, 2003 at 23:30:40, Robert Hyatt wrote: >> >>>On December 09, 2003 at 23:17:10, Slater Wold wrote: >>> >>>>Results per SPEC & AMD. >>>> >>>> >>>>AMD Opteron 148 (2.2Ghz) - SuSe 9.0 (AMD64) - gcc 3.3.1 >>>> >>>>Average - 1902 >>>>Peak - 1936 >>>> >>>>AMD Opteron 148 (2.2Ghz) - Windows XP Pro - Intel C/C++ 7.0 >>>> >>>>Average - 1504 >>>>Peak - 1506 >>>> >>>> >>>>Average Speedup - 26% >>>>Peak Speedup - 29% >>> >>> >>>The comparisons are no good. The intel compiler is much better than >>>gcc. Making the 32 bit code appear better than it should, or else making >>>the 64 bit code appear worse. You need the same compiler, same operating >>>system, same everything, except -m32 and -m64 to make this comparison >>>really accurate. >> >>I knew you were going to say that! :) > >Knowing that ICC is at least 20% faster than gcc for crafty, it is >important. Seems that gcc's PGO is broken as well, while Intel's is >not (by the way, for anyone interested, version 8.0 of the intel compiler >is now out.) Where can I find version 8.0 of the intel compiler? Is it for Windows 2000 Pro? Is it freeware? Does it optimize Crafty? Thanks, Eran Karu
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