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Cores/HTT identification for different Intel CPUs (Including Itanium) - how?

Last post 08-02-2008, 11:07 PM by Thomas Willhalm. 1 replies.



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07-01-2008, 3:51 AM

30257976

adubinin
Joined on 07-01-2008
Posts 1

Cores/HTT identification for different Intel CPUs (Including Itanium) - how?

Hello,

I trying to find information about correct CPU identification - including counting physical CPUs, logical CPUs, cores, HTT capabilities for following Intel CPUs:

IA32, IA32 with EM64T, IA64, and later - Atom.

So far the only clear and partially working (partially - due to dependency on CPU affinity) algorithm have been found only for IA32 systems (OS-es, modes).

What is the correct way to do that for 64-bit systems, like Itanium and IA32 with EM64T extension?

Would be excellent to have code examples for both Unix(Linux, FreeBSD, etc.) and Windows.

Regards,
Alexander

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08-02-2008, 11:07 PM

30260553 in reply to 30257976

$MAD\twillhal is not online. Last active: 06 Aug 2008, 1:30 PM$
Thomas Willhalm
Joined on 01-09-2008
Germany
Posts 36

Re: Cores/HTT identification for different Intel CPUs (Including Itanium) - how?

Alexander,

For Intel 64, there is an article that describes the metholodogy: http://softwarecommunity.intel.com/articles/eng/3887.htm. It does not cover Itanium though.

Kind regards

Thomas

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