Author: Robert Hyatt
Date: 20:28:21 01/14/04
Go up one level in this thread
On January 14, 2004 at 17:28:24, Gian-Carlo Pascutto wrote: >On January 14, 2004 at 17:13:04, Frank Quisinsky wrote: > >>Shortly: >>If I read your answer ... >>That's means that I can set on Dual Xeon for SMP Eng - SMP Eng with ponder >>_not_ MT=2 ?! > >You cannot in any case. > >You only have 2 *real* CPUs, remember? > >>Right is (if I understand): >>SMP Eng - SMP Eng with ponder ... I have to set MT=1 and I have to set >>Hyper-Threading under Windows XP SP1 = off ?! > >Yes. > >>Under Windows 2003 Server: >>SMP Eng - SMP Eng with ponder ... I have to set MT=2 and I can set >>Hyper-Threading = on !? > >No. > >You can set HT=on, but you can never play two SMP engines against >each other with pondering on, unless you tell them to only use 1 CPU. > >-- >GCP ACtually two programs both using mt=2 would work OK with pondering on. I run that test all the time here... Has a flaw when one program is idle, of course...
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