Hi, CMakeFiles/CMakeError.log should show why cmake thinks your gcc doesn't support -mavx2.
Roland On Mon, Dec 15, 2014 at 9:18 AM, Harry Mark Greenblatt < harry.greenbl...@weizmann.ac.il> wrote: > > BS"D > > Dear Mark, > > Here is where it fails: > > -- Try C++ compiler AVX2 flag = [-mavx2] > -- Performing Test CXX_FLAG_mavx2 > -- Performing Test CXX_FLAG_mavx2 - Success > -- Performing Test CXX_SIMD_COMPILES_FLAG_mavx2 > -- Performing Test CXX_SIMD_COMPILES_FLAG_mavx2 - Failed > -- Try C++ compiler AVX2 flag = [/arch:AVX] > -- Performing Test CXX_FLAG_arch_AVX > -- Performing Test CXX_FLAG_arch_AVX - Failed > -- Try C++ compiler AVX2 flag = [-hgnu] > -- Performing Test CXX_FLAG_hgnu > -- Performing Test CXX_FLAG_hgnu - Failed > -- Try C++ compiler AVX2 flag = [] > -- Performing Test CXX_FLAG_ > -- Performing Test CXX_FLAG_ - Success > -- Performing Test CXX_SIMD_COMPILES_FLAG_ > -- Performing Test CXX_SIMD_COMPILES_FLAG_ - Failed > CMake Error at cmake/gmxTestSimd.cmake:244 (message): > Cannot find AVX2 compiler flag. Use a newer compiler, or choose AVX SIMD > (slower). > Call Stack (most recent call first): > CMakeLists.txt:716 (gmx_test_simd) > > > > Well, which ones fail? Inspecting the compiler output (e.g. using cmake > --debug-trycompile and poking around it its output) is probably the only > way to find that problem. > > Mark > > > > > ------------------------------------------------------------------------- > > Harry M. Greenblatt > > Associate Staff Scientist > > Dept of Structural Biology > > Weizmann Institute of Science Phone: 972-8-934-3625 > > 234 Herzl St. Facsimile: 972-8-934-4159 > > Rehovot, 76100 > > Israel > > > harry.greenbl...@weizmann.ac.il<mailto:harry.greenbl...@weizmann.ac.il> > > > > > > > > -- > 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. > -- ORNL/UT Center for Molecular Biophysics cmb.ornl.gov 865-241-1537, ORNL PO BOX 2008 MS6309 -- 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.
