[Haskell-cafe] Performance problem with random numbers

Stefan O'Rear stefanor at cox.net
Tue Oct 16 16:37:43 EDT 2007


On Tue, Oct 16, 2007 at 06:07:39PM +0200, Peter Verswyvelen wrote:
> Does the GHC code generator makes use of SIMD instructions? Maybe via the C 
> compiler?

No.

GHC uses GCC extensions, and GCC doesn't support automatic SIMD use.

(You could use -unreg and an advanced compiler.  Good luck finding a
compiler smart enough to work around the idiocies incurred translating
Haskell to ANSI C; -unreg is very slow)

Stefan
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