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Re: Alias analysis - does base_alias_check still work ?
Richard Henderson wrote:
> On Sun, Jul 21, 2002 at 11:24:00AM +0200, Toon Moene wrote:
> > I combined your MEM_EXPR patch and patch1, but now I get (-O2
> > -funroll-loops -fno-rerun-loop-opt):
> [...]
> > which is worse than you showed for the MEM_EXPR patch alone
> > 32 insns vs 27).
> So is the claim that patch1 is dependent on patch2?
[alphaev6-linux-gnu]
OK, you won.
Original (trunk CVS'd 10 UTC this morning) compiled our NWP software -O2
-ffast-math -funroll-loops -fno-rerun-loop-opt:
ETAETA TOOK 2.4101572 SECONDS
ETAETA TOOK 3.5712893 SECONDS
0SUPOBS TOOK : 0.33203029633
0DATACH TOOK : 442.5986328125
0ANAEVA TOOK : 105.2470703125
0GRPEVA TOOK : 635.9697265625
0HUMSUP TOOK : 0.02246093750
0DATACH TOOK : 28.8212890625
0HUMEVA TOOK : 7.5175781250
0GRPEVA TOOK : 14.9267578125
ANALYSIS TOOK: 1257.66016 SEC.
PREPARATIONS TOOK 4.39550686
SECONDS
FORECAST TOOK 131.1475
SECONDS
PREPARATIONS TOOK 6.03613281
SECONDS
FORECAST TOOK 354.8984
SECONDS
PREPARATIONS TOOK 13.0136719
SECONDS
FORECAST TOOK 989.5225
SECONDS
ETAETA TOOK 3.62402296 SECONDS
0SUPOBS TOOK : 0.18945407867
0DATACH TOOK : 830.9023437500
0ANAEVA TOOK : 117.0732421875
0GRPEVA TOOK : 768.3984375000
0HUMSUP TOOK : 0.03613281250
0DATACH TOOK : 17.2988281250
0HUMEVA TOOK : 5.5039062500
0GRPEVA TOOK : 11.3378906250
ANALYSIS TOOK: 1777.08496 SEC.
PREPARATIONS TOOK 6.4160161
SECONDS
FORECAST TOOK 127.3857
SECONDS
PREPARATIONS TOOK 7.72753906
SECONDS
FORECAST TOOK 361.6230
SECONDS
PREPARATIONS TOOK 12.6972656
SECONDS
FORECAST TOOK 974.3926
SECONDS
In addition with your patch 0 (MEM_EXPR), 1 and 2, compiled our NWP
software -O2 -ffast-math -funroll-loops:
ETAETA TOOK 4.66308594 SECONDS
ETAETA TOOK 6.23046875 SECONDS
0SUPOBS TOOK : 0.74706935883
0DATACH TOOK : 354.9746093750
0ANAEVA TOOK : 120.2656250000
0GRPEVA TOOK : 607.8193359375
0HUMSUP TOOK : 0.01953125000
0DATACH TOOK : 31.6162109375
0HUMEVA TOOK : 8.9648437500
0GRPEVA TOOK : 14.9980468750
ANALYSIS TOOK: 1162.40234 SEC.
PREPARATIONS TOOK 5.09668016
SECONDS
FORECAST TOOK 118.2822
SECONDS
PREPARATIONS TOOK 6.49609375
SECONDS
FORECAST TOOK 339.0889
SECONDS
PREPARATIONS TOOK 13.4384766
SECONDS
FORECAST TOOK 910.8564
SECONDS
ETAETA TOOK 2.88281202 SECONDS
0SUPOBS TOOK : 0.75683593750
0DATACH TOOK : 680.7177734375
0ANAEVA TOOK : 117.9658203125
0GRPEVA TOOK : 743.5371093750
0HUMSUP TOOK : 0.01562500000
0DATACH TOOK : 16.0937500000
0HUMEVA TOOK : 5.9082031250
0GRPEVA TOOK : 11.3769531250
ANALYSIS TOOK: 1620.9668 SEC.
PREPARATIONS TOOK 5.05175829
SECONDS
FORECAST TOOK 124.7197
SECONDS
PREPARATIONS TOOK 5.18066406
SECONDS
FORECAST TOOK 331.8086
SECONDS
PREPARATIONS TOOK 11.7978516
SECONDS
FORECAST TOOK 922.9990
SECONDS
Cheers,
--
Toon Moene - mailto:toon@moene.indiv.nluug.nl - phoneto: +31 346 214290
Saturnushof 14, 3738 XG Maartensdijk, The Netherlands
Maintainer, GNU Fortran 77: http://gcc.gnu.org/onlinedocs/g77_news.html
Join GNU Fortran 95: http://g95.sourceforge.net/ (under construction)