https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79390
--- Comment #17 from vincenzo Innocente <vincenzo.innocente at cern dot ch> --- [innocent@vinavx3 innocent]$ mkdir scimark2TMP [innocent@vinavx3 innocent]$ cd scimark2TMP [innocent@vinavx3 scimark2TMP]$ wget http://math.nist.gov/scimark2/scimark2_1c.zip . ..... gcc version 7.0.1 20170407 (experimental) [trunk revision 246752] (GCC) [innocent@vinavx3 scimark2TMP]$ gcc -Ofast -march=haswell *.c -lm [innocent@vinavx3 scimark2TMP]$ ./a.out ** ** ** SciMark2 Numeric Benchmark, see http://math.nist.gov/scimark ** ** for details. (Results can be submitted to p...@nist.gov) ** ** ** Using 2.00 seconds min time per kenel. Composite Score: 2783.60 FFT Mflops: 2325.65 (N=1024) SOR Mflops: 2260.36 (100 x 100) MonteCarlo: Mflops: 829.14 Sparse matmult Mflops: 2582.70 (N=1000, nz=5000) LU Mflops: 5920.14 (M=100, N=100) [innocent@vinavx3 scimark2TMP]$ gcc -Ofast -march=haswell *.c -lm -fno-split-paths [innocent@vinavx3 scimark2TMP]$ ./a.out ** ** ** SciMark2 Numeric Benchmark, see http://math.nist.gov/scimark ** ** for details. (Results can be submitted to p...@nist.gov) ** ** ** Using 2.00 seconds min time per kenel. Composite Score: 2825.86 FFT Mflops: 2333.43 (N=1024) SOR Mflops: 2260.36 (100 x 100) MonteCarlo: Mflops: 829.14 Sparse matmult Mflops: 2570.04 (N=1000, nz=5000) LU Mflops: 6136.33 (M=100, N=100) [innocent@vinavx3 scimark2TMP]$ gcc -Ofast -march=haswell *.c -lm -fsplit-paths [innocent@vinavx3 scimark2TMP]$ ./a.out ** ** ** SciMark2 Numeric Benchmark, see http://math.nist.gov/scimark ** ** for details. (Results can be submitted to p...@nist.gov) ** ** ** Using 2.00 seconds min time per kenel. Composite Score: 2787.46 FFT Mflops: 2325.65 (N=1024) SOR Mflops: 2260.36 (100 x 100) MonteCarlo: Mflops: 832.36 Sparse matmult Mflops: 2582.70 (N=1000, nz=5000) LU Mflops: 5936.23 (M=100, N=100) [innocent@vinavx3 scimark2TMP]$ pushd ~/code/s7/C CMSSW_8_0_22/ CMSSW_9_1_0_pre2/ [innocent@vinavx3 scimark2TMP]$ pushd ~/code/s7/CMSSW_9_1_0_pre2/ ~/code/s7/CMSSW_9_1_0_pre2 /tmp/innocent/scimark2TMP [innocent@vinavx3 CMSSW_9_1_0_pre2]$ cmsenv [innocent@vinavx3 CMSSW_9_1_0_pre2]$ popd /tmp/innocent/scimark2TMP [innocent@vinavx3 scimark2TMP]$ gcc -v gcc version 6.3.0 (GCC) [innocent@vinavx3 scimark2TMP]$ gcc -Ofast -march=haswell *.c -lm [innocent@vinavx3 scimark2TMP]$ ./a.out ** ** ** SciMark2 Numeric Benchmark, see http://math.nist.gov/scimark ** ** for details. (Results can be submitted to p...@nist.gov) ** ** ** Using 2.00 seconds min time per kenel. Composite Score: 2820.21 FFT Mflops: 2325.65 (N=1024) SOR Mflops: 2260.36 (100 x 100) MonteCarlo: Mflops: 810.37 Sparse matmult Mflops: 2427.26 (N=1000, nz=5000) LU Mflops: 6277.39 (M=100, N=100)
