[LLVMdev] dragonegg/llvm-gfortran/gfortran benchmarks

[Jack Howarth]

  With the case-insensitive file system patch from http://llvm.org/bugs/show_bug.cgi?id=9656#c15
applied to dragonegg 2.9, the following Polyhedron 2005 benchmarks are seen on x86_64-apple-darwin10
under gcc 4.5.3svn using the dragonegg plugin...

================================================================================
Date & Time     :  8 Apr 2011 19:52:56
Test Name       : de-gfortran_lin_O3
Compile Command : de-gfortran45 -ffast-math -funroll-loops -msse3 -O3 %n.f90 -o %n
Benchmarks      : ac aermod air capacita channel doduc fatigue gas_dyn induct linpk mdbx nf protein rnflow test_fpu tfft
Maximum Times   :     2000.0
Target Error %  :      0.100
Minimum Repeats :    10
Maximum Repeats :   100

   Benchmark   Compile  Executable   Ave Run  Number   Estim
        Name    (secs)     (bytes)    (secs) Repeats   Err %
   ---------   -------  ----------   ------- -------  ------
          ac      1.28       26680     12.36      10  0.0025
      aermod     25.42     1044024     18.33      10  0.0022
         air      1.09       53492      7.64      10  0.0641
    capacita      0.60       37016     46.78      10  0.0095
     channel      0.33       22752      1.97      10  0.0102
       doduc      2.09      136412     30.55      10  0.0073
     fatigue      1.04       69720      9.01      10  0.0592
     gas_dyn      0.90       58952     11.67      10  0.0987
      induct      2.15      175240     27.01      10  0.0098
       linpk      0.26       18824     15.67      10  0.0310
        mdbx      0.76       53540     11.98      10  0.0083
          nf      0.38       23920     31.02      13  0.0903
     protein      1.25       74776     40.03      10  0.0261
      rnflow      1.62       75624     31.95      10  0.0256
    test_fpu      1.35       62352     11.45      10  0.0162
        tfft      0.25       18576      2.15      12  0.0362

Geometric Mean Execution Time =      14.14 seconds

================================================================================

This compares to the benchmark results for llvm-gfortran from llvm-gcc42 2.9...

================================================================================
Date & Time     :  8 Apr 2011 21:32:22
Test Name       : llvm_gfortran_lin_p4
Compile Command : llvm-gfortran -ffast-math -funroll-loops -msse3 -O3 %n.f90 -o %n
Benchmarks      : ac aermod air capacita channel doduc fatigue gas_dyn induct linpk mdbx nf protein rnflow test_fpu tfft
Maximum Times   :     2000.0
Target Error %  :      0.100
Minimum Repeats :    10
Maximum Repeats :   100

   Benchmark   Compile  Executable   Ave Run  Number   Estim
        Name    (secs)     (bytes)    (secs) Repeats   Err %
   ---------   -------  ----------   ------- -------  ------
          ac      0.79       26496     12.99      10  0.0013
      aermod     18.40     1012996     16.83      10  0.0362
         air      1.07       53244      7.93      10  0.0268
    capacita      0.53       36728     46.43      10  0.0124
     channel      0.30       22568      2.20      10  0.0214
       doduc      2.03      131624     29.81      10  0.0187
     fatigue      0.92       65524      9.39      10  0.0407
     gas_dyn      0.76       54252     13.15      15  0.0991
      induct      2.01      170684     24.56      10  0.0839
       linpk      0.24       18216     15.68      10  0.0176
        mdbx      0.74       53576     12.04      10  0.0254
          nf      0.33       23024     31.82      14  0.0761
     protein      1.10       70360     39.70      10  0.0348
      rnflow      1.52       66152     32.30      10  0.0101
    test_fpu      1.28       57000     11.26      10  0.0159
        tfft      0.24       18572      2.15      13  0.0661

Geometric Mean Execution Time =      14.28 seconds

================================================================================

and the benchmark results for the gfortran compiler from FSF gcc 4.5.3svn itself...

================================================================================
Date & Time     :  8 Apr 2011 22:45:20
Test Name       : gfortran_lin_p4
Compile Command : gfortran-fsf-4.5 -ffast-math -funroll-loops -msse3 -O3 %n.f90 -o %n
Benchmarks      : ac aermod air capacita channel doduc fatigue gas_dyn induct linpk mdbx nf protein rnflow test_fpu tfft
Maximum Times   :     2000.0
Target Error %  :      0.100
Minimum Repeats :    10
Maximum Repeats :   100

   Benchmark   Compile  Executable   Ave Run  Number   Estim
        Name    (secs)     (bytes)    (secs) Repeats   Err %
   ---------   -------  ----------   ------- -------  ------
          ac      1.79       42704     10.35      10  0.0143
      aermod     40.09     1411316     22.00      10  0.0139
         air      2.29       77844      5.66      14  0.0847
    capacita      1.73       81776     33.23      10  0.0085
     channel      0.55       34712      1.84      11  0.0966
       doduc      4.60      192784     27.91      10  0.0100
     fatigue      1.54       81592      8.04      10  0.0126
     gas_dyn      2.84      717448      4.46      16  0.0805
      induct      3.64      174576     13.11      10  0.0078
       linpk      0.73       38560     15.39      10  0.0366
        mdbx      1.54       73876     11.36      10  0.0183
          nf      1.92       79880     29.79      15  0.0983
     protein      3.44      119336     38.70      10  0.0061
      rnflow      5.13      188832     23.80      10  0.0153
    test_fpu      4.14      163152      8.70      10  0.0189
        tfft      0.50       26592      1.88      10  0.0322

Geometric Mean Execution Time =      11.40 seconds

================================================================================