Author: Filip Tvrzsky
Date: 16:58:42 04/21/03
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On April 21, 2003 at 19:31:15, Filip Tvrzsky wrote: > >It is very strange, but my test results are rather different! >Compiler is gcc 3.2, CPU is Duron 600@900. > >1) With only -O3 optimization: > res 3880000000 > gerd() 32,520 s > crafty() 47,950 s > dieter() 47,010 s > >2) With following optimization settings set (-O3 and -fsave-memoized >-fno-exceptions -fmerge-all-constants -save-temps -march=athlon -mcpu=athlon >-mmmx -funroll-loops -fomit-frame-pointer) which is my favorite now: > res 3880000000 > gerd() 18,350 s > crafty() 37,290 s > dieter() 41,750 s > >Maybe, I should little bit investigate compiler assembler output ... >Filip And with -O2 instead of -O3. 3) Only -O2: gerd() 32,520 s crafty() 45,470 s dieter() 47,680 s 4) -O2 -fsave-memoized -fno-exceptions -fmerge-all-constants -save-temps - march=athlon -mcpu=athlon -mmmx -funroll-loops -fomit-frame-pointer: gerd() 19,060 s crafty() 39,710 s dieter() 41,080 s Filip
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