http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45810
--- Comment #17 from Dominique d'Humieres <dominiq at lps dot ens.fr>
2011-01-23 19:38:30 UTC ---
With the patch in comment #15 and -finline-limit=300, I get
================================================================================
Date & Time : 23 Jan 2011 20:18:02
Test Name : pbharness
Compile Command : gfcp %n.f90 -Ofast -funroll-loops -ftree-loop-linear
-fomit-frame-pointer -finline-limit=300 -fwhole-program -flto -o %n
Benchmarks : ac aermod air capacita channel doduc fatigue gas_dyn induct
linpk mdbx nf protein rnflow test_fpu tfft
Maximum Times : 300.0
Target Error % : 0.200
Minimum Repeats : 2
Maximum Repeats : 5
Benchmark Compile Executable Ave Run Number Estim
Name (secs) (bytes) (secs) Repeats Err %
--------- ------- ---------- ------- ------- ------
ac 3.55 54576 8.12 2 0.0062
aermod 103.51 1595448 18.87 2 0.0079
air 8.87 90048 6.89 2 0.0798
capacita 5.84 89056 40.27 2 0.0199
channel 1.62 34448 2.98 2 0.0168
doduc 14.30 203936 27.79 2 0.0162
fatigue 4.89 89264 4.74 2 0.0106
gas_dyn 11.72 148176 4.64 5 0.0535
induct 10.87 205976 14.00 2 0.0036
linpk 1.58 21536 21.71 2 0.0415
mdbx 5.60 84752 12.56 2 0.1871
nf 7.24 83712 29.23 5 0.0744
protein 11.81 163760 35.10 2 0.0342
rnflow 14.86 171392 26.91 2 0.0223
test_fpu 11.35 145848 11.03 2 0.0952
tfft 1.10 22072 3.30 2 0.1817
Geometric Mean Execution Time = 12.36 seconds
to be compared to the lowest Geometric Mean I have got so far (most of the
difference is due to nf which depends a lot of the mood of my laptop)
================================================================================
Date & Time : 22 Dec 2010 10:33:08
Test Name : pbharness
Compile Command : gfc %n.f90 -Ofast -funroll-loops -ftree-loop-linear
-fomit-frame-pointer -finline-limit=600 --param hot-bb-frequency-fraction=2000
-fwhole-program -flto -o %n
Benchmarks : ac aermod air capacita channel doduc fatigue gas_dyn induct
linpk mdbx nf protein rnflow test_fpu tfft
Maximum Times : 300.0
Target Error % : 0.200
Minimum Repeats : 2
Maximum Repeats : 5
Benchmark Compile Executable Ave Run Number Estim
Name (secs) (bytes) (secs) Repeats Err %
--------- ------- ---------- ------- ------- ------
ac 11.55 58672 8.11 2 0.0123
aermod 164.78 1522240 19.11 2 0.1151
air 20.73 85984 6.87 5 0.1914
capacita 14.66 105472 40.22 2 0.0584
channel 3.22 34448 2.92 4 0.1714
doduc 24.70 212360 27.81 2 0.1025
fatigue 9.81 85144 4.70 3 0.1862
gas_dyn 24.13 144240 4.66 5 0.4507
induct 22.50 214136 13.69 2 0.1096
linpk 2.56 21536 21.68 2 0.0231
mdbx 8.93 84744 12.52 2 0.0080
nf 22.61 104136 27.63 2 0.0778
protein 26.19 155768 35.51 2 0.0127
rnflow 30.99 163200 26.15 2 0.0248
test_fpu 18.79 145848 10.98 2 0.0182
tfft 1.92 22072 3.29 2 0.0304
Geometric Mean Execution Time = 12.27 seconds
