Author: Matt Taylor
Date: 16:42:17 12/17/02
Go up one level in this thread
On December 17, 2002 at 16:34:17, Gian-Carlo Pascutto wrote: >On December 17, 2002 at 16:32:10, Robert Hyatt wrote: > >>On December 17, 2002 at 15:30:31, Gian-Carlo Pascutto wrote: >> >>>On December 17, 2002 at 15:28:03, Robert Hyatt wrote: >>> >>>>On December 17, 2002 at 14:22:59, Gian-Carlo Pascutto wrote: >>>> >>>>>On December 17, 2002 at 13:45:18, Robert Hyatt wrote: >>>>> >>>>>>In 60 days or less this will be a non-issue for _everybody_. >>>>> >>>>>..that upgrades their system. >>>>> >>>>>-- >>>>>GCP >>>> >>>> >>>>Am I missing something? If you don't upgrade to a HT-ready processor, then >>>>what is the point of the discussion? >>> >>>This thread was about the software side. >>> >>>-- >>>GCP >> >> >>Then I don't get the upgrade point. Apparently the windows O/S already has the >>fix, so if >>you buy a system _now_ you get an O/S that understands H/T... > >No, you don't, that's exactly what I'm saying. Windows XP is advertised as >Hyperthreading aware but it DOES NOT understand the scheduling issue. > >-- >GCP GetLogicalProcessorInformation http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dllproc/base/getlogicalprocessorinformation.asp The NT scheduler is and has been able to take hints from applications as to where certain threads should run. New APIs enable programs to be smart about HT. It will be a while before most programs use it. I haven't seen any other HT-related info (or claims) from Microsoft. A search on their site turned up a whopping 4 documents. I was going to check out the scheduler in Windows .NET Server, but we don't have any HT machines at work. Suprise, suprise. (It actually is when they'll buy brand-new P4 2.8 GHz machines from Dell and ATI Radeon 9700 Pro cards for "work.") -Matt
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