Author: Eugene Nalimov
Date: 12:55:11 09/12/99
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On September 12, 1999 at 03:23:04, Gregor Overney wrote: >I am using a dual p6/200 with NT 4 WS SP5. Depending on the task you are >running, NT seems to utilize SMP quite reasonably. For instance a single p6/200 >runs Crafty's bench in version 16.15 with 102 kN/sec. On the dual system (with >the usual SMP overhead), it performs at 192 kN/sec. I would say that's pretty >good. (Much better than your proposed 25% gain!) > >However when you are using 8, 16, or even more processors, NT 4 will not serve >you well (I think it only supports up to 4). But NT 5 (has now this ridiculous >name of Windows 2000 professional), will support more CPUs. Obviously, NT 4 can support more than 4 CPUs - at least TPC regularly publish results of MS SQL Server on a 8-CPU NT box. Eugene >I do not know the performance of Be for multiple CPUs when running Crafty. But I >am sure that you will be able to compile Crafty with GNU 2.9x for Be and tell us >your results. > >Some people claim that Crafty 16.15 runs faster on NT 4 WS SP5 when compiled >with VC++ 6.0 SP3 than with any other current compiler/OS combination for >Intel-based systems up to 4 CPUs (but with at least two CPUs). (For the moment, >forget 98 and 95 since these OS'es only support one CPU.) > >Gregor
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