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Severe increase in compilation time with 4.3.0 20070615 on powerpc-apple-darwin7
- From: dominiq at lps dot ens dot fr (Dominique Dhumieres)
- To: fortran at gcc dot gnu dot org
- Cc: gcc at gcc dot gnu dot org
- Date: Tue, 19 Jun 2007 15:48:28 +0200
- Subject: Severe increase in compilation time with 4.3.0 20070615 on powerpc-apple-darwin7
On powerpc-apple-darwin7 with 4.3.0 20070615, the compilation time
of the polyhedron test suite increased by 35% compared to the
previous snapshot and by 41% compared to the Apr 13 one:
compile execute
06/15 06/08 04/13 06/13 06/08 04/13
ac 6.098 4.169 3.754 141.335 141.271 140.479
aermod 266.403 205.639 196.447 92.756 93.583 90.632
air 14.773 11.925 11.541 40.149 41.533 39.399
capacita 7.332 5.542 5.154 175.615 176.229 177.222
channel 4.289 2.519 2.279 15.664 15.947 15.732
doduc 37.700 28.040 26.679 68.599 68.895 68.195
fatigue 12.843 8.733 8.293 23.766 24.795 23.061
gas_dyn 11.856 8.168 7.598 53.942 53.929 52.100
induct 36.878 23.671 22.445 72.247 73.031 69.283
linpk 2.419 1.979 1.910 33.489 33.844 33.446
mdbx 9.052 7.036 6.716 32.542 32.543 32.985
nf 5.412 3.629 3.357 51.424 51.404 58.494
protein 20.097 13.162 13.063 70.825 70.113 70.896
rnflow 19.812 14.370 14.196 76.936 77.419 76.371
test_fpu 17.098 12.034 11.396 37.336 37.324 37.697
tfft 2.530 1.938 1.779 16.653 16.831 16.581
total 474.592 352.554 336.607 1003.278 1008.691 1002.573
without any noticable effects on the execution time. Does anyone can
explain it (and suggest a fix)?
TIA
Dominique