The following issue has been SUBMITTED. ====================================================================== https://cmake.org/Bug/view.php?id=16006 ====================================================================== Reported By: Nils Gladitz Assigned To: ====================================================================== Project: CMake Issue ID: 16006 Category: CMake Reproducibility: always Severity: minor Priority: normal Status: new ====================================================================== Date Submitted: 2016-03-04 03:24 EST Last Modified: 2016-03-04 03:24 EST ====================================================================== Summary: Incorrect physical/logical core counts from kwsys on Windows Description: I am not entirely sure if this is the right place for kwsys issues?
On a Windows 7 64-bit system with two of these: http://ark.intel.com/products/47922/Intel-Xeon-Processor-X5650-12M-Cache-2_66-GHz-6_40-GTs-Intel-QPI Hyper-threading is enabled. In cmsys::SystemInformation info.GetNumberOfLogicalCPU() returns 32 (expected is 24) info.GetNumberOfPhysicalCPU() returns 0 (expected is 2) In CMake I exposed these values through NUMBER_OF_LOGICAL_CORES and NUMBER_OF_PHYSICAL_CORES in cmake_host_system_information(). The Windows GetSystemInfo() filled SYSTEM_INFO structure reports 24 in dwNumberOfProcessors. Steps to Reproduce: cmake_host_system_information(RESULT PHYSICAL_CORES QUERY NUMBER_OF_PHYSICAL_CORES ) cmake_host_system_information(RESULT LOGICAL_CORES QUERY NUMBER_OF_LOGICAL_CORES ) message("[${PHYSICAL_CORES}:${LOGICAL_CORES}]") ====================================================================== Issue History Date Modified Username Field Change ====================================================================== 2016-03-04 03:24 Nils Gladitz New Issue ====================================================================== -- Powered by www.kitware.com Please keep messages on-topic and check the CMake FAQ at: http://www.cmake.org/Wiki/CMake_FAQ Kitware offers various services to support the CMake community. For more information on each offering, please visit: CMake Support: http://cmake.org/cmake/help/support.html CMake Consulting: http://cmake.org/cmake/help/consulting.html CMake Training Courses: http://cmake.org/cmake/help/training.html Visit other Kitware open-source projects at http://www.kitware.com/opensource/opensource.html Follow this link to subscribe/unsubscribe: http://public.kitware.com/mailman/listinfo/cmake-developers
