Parallel GHC on Altix?

Chad Scherrer chad.scherrer at gmail.com
Mon May 8 10:11:00 EDT 2006


On Mon, 2006-05-08 at 12:19 +0100, Simon Marlow wrote:
> > 
> > My understanding is that for the 32-bit version, this all works in 
> > parallel, but GC is sequential. Is that still the case? Is the 64-bit 
> > version in the same state?
> 
> nested data parallelism: not yet.  forkIO, MVars, STM, par, and 
> strategies are all working in 6.5 right now.  throwTo is not working on 
> multiple CPUs yet.
> 
> There shouldn't be any difference between 32 and 64 bit support.
> 
Ok, great. Is is correct that the GC is still sequential? Are there
particular difficulties in getting NDP and parallel GC working, or is it
just a matter of having so many other pieces to work on?

Thanks,

Chad



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