If you open the "Tools > Options" dialog in Visual Studio, and navigate to the "Projects and Solutions > Build and Run" tab, what is your "maximum number of parallel project builds" value?
For maximum parallel build capability, it should be set to the same as the number of cores you have. D On Tue, Jan 20, 2015 at 7:10 AM, Yves Frederix <[email protected]> wrote: >>> 3.1.0: 10m50s >>> 2.8.12: 4m02s >>> 3.1.0 (/MP): 6m29s >>> 2.8.12 (/MP): 3m48s >> >> I cannot reproduce that. On my machine for OpenCV (as of commit >> 5e92a777) I get about the same time for either version of CMake. >> >> 3.1.0 : 8m57s >> 2.8.12.2 : 8m58s >> 3.1.0 (/MP): 4m52s >> 2.8.12.2 (/MP): 4m57s >> >> Check in your cases that 3.1.0 does not activate additional parts of >> the project that are not built under 2.8.12. >> >> Also please try a command-line build with just "msbuild" instead of >> going through "cmake --build": >> >> msbuild ALL_BUILD.vcxproj /p:Configuration=Release >> /p:VisualStudioVersion=12.0 > > (shouldn't this have been VisualStudioVersion=11.0?) > > So here are the timings: > > 3.1.0: 11m52s > 2.8.12: 11m21s > > When keeping an eye on the resource monitor, I can also see that, > while "cmake --build ." makes use of all the CPU cores (for 2.8.12) , > this is not the case while running msbuild manually. > > Yves > -- > > 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 -- 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
