https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78611
--- Comment #9 from Uroš Bizjak <ubizjak at gmail dot com> --- (In reply to H.J. Lu from comment #7) > (In reply to H.J. Lu from comment #6) > > Which glibc was used? You may run into: > > > > https://sourceware.org/bugzilla/show_bug.cgi?id=20495 > > Please run your testcase with > > # LD_BIND_NOW=1 ./test > > with and without -mavx. Yes, way faster with LD_BIND_NOW=1 in -mavx case: [uros@localhost march]$ time ./a.out < ../bmtz Slab or Bulk calculation? input 1 for Slab or 0 for Bulk Input the MTZ value from the substrate calculation real 0m0.693s user 0m0.691s sys 0m0.002s [uros@localhost march]$ LD_BIND_NOW=1 time ./a.out < ../bmtz Slab or Bulk calculation? input 1 for Slab or 0 for Bulk Input the MTZ value from the substrate calculation 0.27user 0.00system 0:00.27elapsed 100%CPU (0avgtext+0avgdata 3012maxresident)k 0inputs+152outputs (0major+146minor)pagefaults 0swaps
