Hello, you need to recompile Gromacs with -DGMX_SIMD=AVX_256 flag. Or not set it and cmake should detect and use the best version automatically. http://www.gromacs.org/Documentation/Installation_Instructions_4.6 Cheers.
Milan On Thursday 23 October 2014 13:32:31 Yaser Hosseini wrote: > hi > > Reading file md.tpr, VERSION 4.6.5 (single precision) > Using 4 MPI threads > Compiled acceleration: SSE4.1 (Gromacs could use AVX_256 on this machine, > which is better) > > how can i use this features for better mdrun speed. > > thanke you. -- 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.
