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Thread: /proc/cpuinfo processer number reported

  1. #1

    Default /proc/cpuinfo processer number reported

    I have an Asus z8PE-D18 motherboard and two Intel, xeon, E5520 processors installed. I tried Suse 11.1, RedHat 5.4, and ran System rescue. All seem to run perfectly, but /proc/cpuinfo on all software reports that there are 16 processors installed. The E5520 is a 4 core processor, why does Linux report there are 16 processors?

  2. #2
    Join Date
    Jun 2008
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    Default Re: /proc/cpuinfo processer number reported

    because they are hyper-threaded? 4 physical cores + 4 virtual (HT) cores

  3. #3

    Default Re: /proc/cpuinfo processer number reported

    Thanks, I believe that is the reason.

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