Performance patch for Windows XP SP2 for Intel Mobile Platforms

Chuck_De_Sylva — Tue, 20 Jun 2006 21:17:05 GMT

For dealing withpotentialdecreases in performance on single-threaded workloads when processor performance states are using demand-based switching.

This patch is not made available via Windows Update as yet :

http://support.microsoft.com/?kbid=896256

Re: Performance patch for Windows XP SP2 for Intel Mobile Platf

Intel_Software_Netw1 — Tue, 29 Apr 2008 18:22:51 GMT

Microsoft points outthat the solution above alsoapplies to x64-based versions of Microsoft Windows Server 2003, butdoesn't apply to dual-core systems --however, they link to anothersolution in the KBthat doespertain todual-core:

Game performance may be poor on a Windows XP-based computer that is using a dual-core processor

This secondarticle goes on to point out:

If you are a developer who is using the RDTSC (Real Time Stamp Counter) instruction to compute timing, visit the following Microsoft Developer Network (MSDN) Web site for information about the QueryPerformanceCounter function: http://msdn2.microsoft.com/en-us/library/ms644904.aspx

Of course,the two KB entries are rather old at this point (dated 2005), but still might have some relevance.

Lexi S.

IntelSoftware NetworkSupport

http://www.intel.com/software

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Performance patch for Windows XP SP2 for Intel Mobile Platforms

Re: Performance patch for Windows XP SP2 for Intel Mobile Platf