https://community.intel.com/t5/Intel-Moderncode-for-Parallel/Cores-HTT-identification-for-different-Intel-CPUs-Including/m-p/865860#M2709 Please try this link. Let us know if your still having issues.<DIV><A href="http://software.intel.com/en-us/articles/intel-64-architecture-processor-topology-enumeration/">http://software.intel.com/en-us/articles/intel-64-architecture-processor-topology-enumeration/</A></DIV> Wed, 21 Apr 2010 18:23:58 GMT AaronTersteeg 2010-04-21T18:23:58Z https://community.intel.com/t5/Intel-Moderncode-for-Parallel/Cores-HTT-identification-for-different-Intel-CPUs-Including/m-p/865857#M2706 <P>Hello,</P> <P>I trying to find information about correct CPU identification - including counting physical CPUs, logical CPUs, cores, HTT capabilities forfollowing Intel CPUs:</P> <P>IA32, IA32 with EM64T, IA64, and later - Atom.</P> <P>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).</P> <P>What is the correct way to do that for 64-bit systems, like Itanium and IA32 with EM64T extension?</P> <P>Would be excellent to have code examples for both Unix(Linux, FreeBSD, etc.) and Windows.</P> <P>Regards,<BR /> Alexander</P> <P></P> Tue, 01 Jul 2008 10:51:40 GMT https://community.intel.com/t5/Intel-Moderncode-for-Parallel/Cores-HTT-identification-for-different-Intel-CPUs-Including/m-p/865857#M2706 Alexander_Dubinin 2008-07-01T10:51:40Z https://community.intel.com/t5/Intel-Moderncode-for-Parallel/Cores-HTT-identification-for-different-Intel-CPUs-Including/m-p/865858#M2707 <P>Alexander,</P> <P>For Intel 64, there is an article that describes the metholodogy: <A href="https://community.intel.com/en-us/articles/article_nice_name">http://software.intel.com/en-us/articles/intel-64-architecture-processor-topology-enumeration</A>. It does not cover Itanium though.</P> <P></P> <P>Kind regards</P> <P>Thomas</P> Sun, 03 Aug 2008 06:07:11 GMT https://community.intel.com/t5/Intel-Moderncode-for-Parallel/Cores-HTT-identification-for-different-Intel-CPUs-Including/m-p/865858#M2707 Thomas_W_Intel 2008-08-03T06:07:11Z https://community.intel.com/t5/Intel-Moderncode-for-Parallel/Cores-HTT-identification-for-different-Intel-CPUs-Including/m-p/865859#M2708 The link doesn't work any more!<BR /> Wed, 21 Apr 2010 17:21:53 GMT https://community.intel.com/t5/Intel-Moderncode-for-Parallel/Cores-HTT-identification-for-different-Intel-CPUs-Including/m-p/865859#M2708 Dave_Thompson 2010-04-21T17:21:53Z https://community.intel.com/t5/Intel-Moderncode-for-Parallel/Cores-HTT-identification-for-different-Intel-CPUs-Including/m-p/865860#M2709 Please try this link. Let us know if your still having issues.<DIV><A href="http://software.intel.com/en-us/articles/intel-64-architecture-processor-topology-enumeration/">http://software.intel.com/en-us/articles/intel-64-architecture-processor-topology-enumeration/</A></DIV> Wed, 21 Apr 2010 18:23:58 GMT https://community.intel.com/t5/Intel-Moderncode-for-Parallel/Cores-HTT-identification-for-different-Intel-CPUs-Including/m-p/865860#M2709 AaronTersteeg 2010-04-21T18:23:58Z