On Wed, Apr 15, 2009 at 06:27:20AM -0400, Lawrence Stewart wrote: > OT - I once was writing programs to generate programs with very large > basic blocks, maybe 50K instructions. It is a Big Mistake to try gcc > -O3 on these, the optimizer goes into brain freeze for 15 minutes or > so...
Yeah, compiling much larger generated programs often involves flipping some compiler switches. And there was considerable angst in the SPECcpu community when the new benchmark suite took a lot of memory to IPA in most compilers, a lot more than the suite took to run. -- greg _______________________________________________ Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin Computing To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf
