GHC vs. GCC on raw vector addition

Malcolm Wallace Malcolm.Wallace at
Wed Jan 18 08:22:23 EST 2006

Sven Moritz Hallberg <sm at> writes:

> I'm running GHC and GCC head-to-head on the task of adding a bunch of
> long IOUArray-Vectors really fast. My machine is a Linux-ppc PowerBook
> and gets a runtime for the GHC-compiled binary that's about 10x as long
> as for GCC.

Is it possible that gcc is making use of the ppc AltiVec instructions,
and ghc is not?


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