On Tue, Mar 3, 2009 at 5:31 PM, <mwin...@brocku.ca> wrote: > In both runs the same computations are done (sequentially resp. > parallel), so the gc should be the same. But still using 2 cores is > much slower than using 1 core (same program - no communication).
Might there not be contention in the allocator/GC that's worsened by having two threads? What happens with -O2? -- Sebastian Sylvan +44(0)7857-300802 UIN: 44640862
_______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
