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Re: Performance analysis of Polyhedron/gas_dyn
On Fri, 2007-04-27 at 13:12 +0300, Janne Blomqvist wrote:
> Richard Guenther wrote:
> On a related note, our beloved competitors generally have some high
> level flag for combining all these fancy and potentially unsafe
> optimizations (e.g. -O4, -fast, -fastsse, -Ofast, etc.). For gcc, at
> least FP benchmarks seem to do generally well with something like "-O3
> -funroll-loops -ftree-vectorize -ffast-math -march=native -mfpmath=sse",
> but it's quite a mouthful.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31114
:-/