On Mon, Aug 19, 2019 at 12:00 PM tarzan p <tarzan11...@yahoo.com> wrote: > > Hi all.I have a dual socket Xeon GOLD 6148 which has the capabilities for > > Instruction Set Extensions Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® > AVX-512 > but hen why si gromacs giving the error for AVX_512 but takes AVX2_256??? > Adding the out put > > > /Downloads/gromacs-2019/build-gromacs$ cmake .. -DGMX_SIMD=AVX_512-- Enabling > RDTSCP support > -- Performing Test C_xCORE_AVX512_qopt_zmm_usage_high_FLAG_ACCEPTED > -- Performing Test C_xCORE_AVX512_qopt_zmm_usage_high_FLAG_ACCEPTED - Failed > -- Performing Test C_xCORE_AVX512_FLAG_ACCEPTED > -- Performing Test C_xCORE_AVX512_FLAG_ACCEPTED - Failed > -- Performing Test C_mavx512f_mfma_FLAG_ACCEPTED > -- Performing Test C_mavx512f_mfma_FLAG_ACCEPTED - Failed > -- Performing Test C_mavx512f_FLAG_ACCEPTED > -- Performing Test C_mavx512f_FLAG_ACCEPTED - Failed > -- Performing Test C_arch_AVX_FLAG_ACCEPTED > -- Performing Test C_arch_AVX_FLAG_ACCEPTED - Failed > -- Performing Test C_hgnu_FLAG_ACCEPTED > -- Performing Test C_hgnu_FLAG_ACCEPTED - Failed > -- Performing Test C_COMPILE_WORKS_WITHOUT_SPECIAL_FLAGS > -- Performing Test C_COMPILE_WORKS_WITHOUT_SPECIAL_FLAGS - Failed > -- Could not find any flag to build test source (this could be due to either > the compiler or binutils) > -- Performing Test CXX_xCORE_AVX512_qopt_zmm_usage_high_FLAG_ACCEPTED > -- Performing Test CXX_xCORE_AVX512_qopt_zmm_usage_high_FLAG_ACCEPTED - Failed > -- Performing Test CXX_xCORE_AVX512_FLAG_ACCEPTED > -- Performing Test CXX_xCORE_AVX512_FLAG_ACCEPTED - Failed > -- Performing Test CXX_mavx512f_mfma_FLAG_ACCEPTED > -- Performing Test CXX_mavx512f_mfma_FLAG_ACCEPTED - Failed > -- Performing Test CXX_mavx512f_FLAG_ACCEPTED > -- Performing Test CXX_mavx512f_FLAG_ACCEPTED - Failed > -- Performing Test CXX_arch_AVX_FLAG_ACCEPTED > -- Performing Test CXX_arch_AVX_FLAG_ACCEPTED - Failed > -- Performing Test CXX_hgnu_FLAG_ACCEPTED > -- Performing Test CXX_hgnu_FLAG_ACCEPTED - Failed > -- Performing Test CXX_COMPILE_WORKS_WITHOUT_SPECIAL_FLAGS > -- Performing Test CXX_COMPILE_WORKS_WITHOUT_SPECIAL_FLAGS - Failed > -- Could not find any flag to build test source (this could be due to either > the compiler or binutils) > CMake Error at cmake/gmxManageSimd.cmake:51 (message): > Cannot find AVX 512F compiler flag. Use a newer compiler, or choose a > lower level of SIMD (slower).
The reason is right here. Get newer compiler, I assume you have a dated distribution default compiler. -- Szilárd > Call Stack (most recent call first): > cmake/gmxManageSimd.cmake:186 > (gmx_give_fatal_error_when_simd_support_not_found) > CMakeLists.txt:719 (gmx_manage_simd) > > > -- Configuring incomplete, errors occurred! > See also > "/home/gdd/Downloads/gromacs-2019/build-gromacs/CMakeFiles/CMakeOutput.log". > See also > "/home/gdd/Downloads/gromacs-2019/build-gromacs/CMakeFiles/CMakeError.log". > > > ~/Downloads/gromacs-2019/build-gromacs$ cmake .. -DGMX_SIMD=AVX2_256-- > Performing Test C_mavx2_mfma_FLAG_ACCEPTED > -- Performing Test C_mavx2_mfma_FLAG_ACCEPTED - Success > -- Performing Test C_mavx2_mfma_COMPILE_WORKS > -- Performing Test C_mavx2_mfma_COMPILE_WORKS - Success > -- Performing Test CXX_mavx2_mfma_FLAG_ACCEPTED > -- Performing Test CXX_mavx2_mfma_FLAG_ACCEPTED - Success > -- Performing Test CXX_mavx2_mfma_COMPILE_WORKS > -- Performing Test CXX_mavx2_mfma_COMPILE_WORKS - Success > -- Enabling 256-bit AVX2 SIMD instructions using CXX flags: -mavx2 -mfma > -- Performing Test _Wno_unused_command_line_argument_FLAG_ACCEPTED > -- Performing Test _Wno_unused_command_line_argument_FLAG_ACCEPTED - Success > -- The GROMACS-managed build of FFTW 3 will configure with the following > optimizations: --enable-sse2;--enable-avx;--enable-avx2 > -- Configuring done > -- Generating done > -- Build files have been written to: > /home/gdd/Downloads/gromacs-2019/build-gromacs > > > -- > Gromacs Users mailing list > > * Please search the archive at > http://www.gromacs.org/Support/Mailing_Lists/GMX-Users_List before posting! > > * Can't post? Read http://www.gromacs.org/Support/Mailing_Lists > > * For (un)subscribe requests visit > https://maillist.sys.kth.se/mailman/listinfo/gromacs.org_gmx-users or send a > mail to gmx-users-requ...@gromacs.org. -- Gromacs Users mailing list * Please search the archive at http://www.gromacs.org/Support/Mailing_Lists/GMX-Users_List before posting! * Can't post? Read http://www.gromacs.org/Support/Mailing_Lists * For (un)subscribe requests visit https://maillist.sys.kth.se/mailman/listinfo/gromacs.org_gmx-users or send a mail to gmx-users-requ...@gromacs.org.
