POV-Ray: Newsgroups: povray.windows: POV-Ray faster on Windows XP Pro than Windows 2000 Pro?: Re: POV-Ray faster on Windows XP Pro than Windows 2000 Pro?

POV-Ray : Newsgroups : povray.windows : POV-Ray faster on Windows XP Pro than Windows 2000 Pro? : Re: POV-Ray faster on Windows XP Pro than Windows 2000 Pro?		Server Time 28 Jun 2024 22:49:15 EDT (-0400)

From: Mike Raiford
Date: 5 Mar 2004 08:15:41
Message: <40487d7d$1@news.povray.org>

I think it has to do with the way winxp schedules on hyperthreaded
processors. On Win2k, it treats it as an ordinary MP machine, but with XP,
there are additional halt instructions in the idle loop of the OS, freeing
some cpu resources.

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