[Beowulf] Moores Law is dying
lindahl at pbm.com
Wed Apr 15 11:14:21 PDT 2009
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
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.
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