Author: Brian Richardson
Date: 20:50:58 06/16/03
Go up one level in this thread
On June 15, 2003 at 23:41:11, Eugene Nalimov wrote: >On June 14, 2003 at 01:48:07, Brian Richardson wrote: > >>On June 13, 2003 at 22:44:57, Vincent Diepeveen wrote: >> >>>On June 13, 2003 at 19:28:34, Brian Richardson wrote: >>> >>>Hello your opteron performance is not correct. >>> >>>If you native compile 64 bits with GCC at the opteron crafty with branch >>>optimizations (that means you compile 1 time with profile option then run it for >>>a number of minutes then recompile, gives big extra speed) and then run dual you >>>should get about 4 million nodes a second. And not a node less than that. >>> >>>Even at specint the 64 bits gcc compiled version is about 60% faster than bob's >>>own machine has. specint is not using even inline assembly nor profile >>>reinforced code (which matters really a lot at the opteron and near to zero at >>>the itanium2 becuase it's a buggy predication processor). >>> >>>Best regards, >>>Vincent >>> >> >>I forgot to mention that this was under Windows 2003. >>I have not found a native code Opteron compiler yet. >> >>Does anyone have suggestions? (besides running Linux)? > >Visual C, of course :-) > >And your Itanium numbers are much slower than mine, even when I am using >publicly available 64-bit Visual C, not the latest and greatest we have here... > >Thanks, >Eugene > I have C++ .NET under Visual Studio 2003 Enterprise Ed version 7.1 something and cannot find anything to compile for the Opteron. The "Optimize for Processor Option" only has Intel types. Am I missing something simple? I'll also double check the Itanium2 results...there was a large difference (about 3x) between x86 and re-compiled IA-64 binaries. Thanks, Brian >>>>Note the time differences between versions, and the relative SMP scaling. >>>> >>>> Version CPUs Total SMP Raw nodes >>>> elapsed time-to-ply per second >>>> time >>>>Opteron 244 (1.7GHz)19.03 2 28 22.857143 1976833 >>>>Opteron 244 (1.7GHz)19.03 1 43 14.883721 1234812 >>>>AMD 1900+ (1.6GHz) 19.03 2 39 16.410256 1408076 >>>>AMD 1900+ (1.6GHz) 19.03 1 56 11.428571 948159 >>>>Opteron 244 (1.7GHz)18.15 2 48 13.333333 1807684 >>>>Opteron 244 (1.7GHz)18.15 1 77 8.311688 1097373 >>>>AMD 1900+ (1.6GHz) 18.15 2 71 9.014085 1278866 >>>>AMD 1900+ (1.6GHz) 18.15 1 104 6.153846 812478 >>>>Itanium2 1GHz 18.15 2 112 5.714286 959705 >>>>Itanium2 1GHz 18.15 1 186 3.44086 524126 >>>> >>>>Note all runs with: >>>>hash table memory = 384M bytes. >>>>pawn hash table memory = 24M bytes. >>>>EGTB cache memory = 1M bytes.
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