choener: > Hi, > > having tried the 6.10.2rc1 release candidate, I still find that "parMap > rnf xs" on a list of thunks xs does not optimally use all available > processors. With N the number of cores, I still see that each block of N > thunks (say: x_1 and x_2) has to be calculated before (x3 and x4) will be > started. > > Would there be hope that compiling the latest head instead of 2009/03/14 > (rc1) gives better results? >
Yes, definitely. The HEAD implements all the `par` improvements described in the recent "multicore runtime" paper, as well as giving detailed runtime statistics on spark use. _______________________________________________ Glasgow-haskell-users mailing list [email protected] http://www.haskell.org/mailman/listinfo/glasgow-haskell-users
