------- Comment #4 from ubizjak at gmail dot com 2008-04-22 16:51 ------- Confirmed also on core2:
benchmarked with patch: 22 Apr 2008 18:47:04 gfortran - Compile nf command=gfortran -march=opteron -ffast-math -funroll-loops -ftree-loop-linear -ftree-vectorize -msse3 -O3 nf.s -o nf 22 Apr 2008 18:47:04 gfortran - Execute nf nf Run # 1 21.46340 21.46340 - Error=100.0000% nf Run # 2 21.45860 21.46100 - Error= 0.0112% Geometric Mean Execution Time = 21.46 seconds benchmarked without patch: 22 Apr 2008 18:44:51 gfortran - Compile nf command=gfortran -march=opteron -ffast-math -funroll-loops -ftree-loop-linear -ftree-vectorize -msse3 -O3 nf.s -o nf 22 Apr 2008 18:44:51 gfortran - Execute nf nf Run # 1 19.46120 19.46120 - Error=100.0000% nf Run # 2 19.46200 19.46160 - Error= 0.0021% Geometric Mean Execution Time = 19.46 seconds -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34163
