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October 06, 2003 12:00 AM

Rem: WMI Isn’t Hyper-Thread-Aware

Bob Wells
Windows IT Pro
InstantDoc ID #40228
Rating: (1)

I'm trying to use the Windows Management Instrumentation (WMI) Win32_Processor class to inventory the total number of physical processors installed in a server farm. However, WMI is reporting hyper-threaded processors as multiple processors. How can I tell WMI to report physical processors only?

Unfortunately, you can't because WMI isn't hyper-thread—aware. The only workaround I know of is to disable hyper-threading in the BIOS. My understanding is that Microsoft is aware of the problem.

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  • LES
    7 years ago
    Sep 08, 2005

    FYI, Intel have a utility CountCPU that is supposed to count physical CPUs accurately. Unfortunately there does not seem to be remote execution mode! See http://www.intel.com/cd/ids/developer/asmo-na/eng/dc/code/19122.htm

    Cheers,
    Les

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