* Peter Verswyvelen <[email protected]> [2009-03-08 12:00:23+0100] > On Sat, Mar 7, 2009 at 6:49 PM, Roman Cheplyaka <[email protected]> wrote: > > > * Peter Verswyvelen <[email protected]> [2009-03-07 18:34:10+0100] > > > On Fri, Mar 6, 2009 at 10:39 PM, Roman Cheplyaka <[email protected]> > > wrote: > > > > > > Is it a performance issue? > > > > Yes. As Roman Leshchinskiy explained it's because parallel arrays are > > not fused properly yet. > > But it's quite trivial to modify Hpysics to use ordinary lists or > > arrays, and I think it'll give reasonable performance. > > > > Personally I would not mind too much about performance initially; I'm very > confident that lots of optimizations can be done afterwards - maybe even > letting the GPU handle certain tasks.
I wouldn't mind too if it was just 'inefficient'; however, it's practically unusable. <<Result was disappointing -- simple 2-step simulation with 10 bodies took 9 seconds and almost 1Gb of memory to complete.>> http://physics-dph.blogspot.com/2008/08/status-report-week-11-12.html -- Roman I. Cheplyaka :: http://ro-che.info/ "Don't let school get in the way of your education." - Mark Twain _______________________________________________ Haskell-Cafe mailing list [email protected] http://www.haskell.org/mailman/listinfo/haskell-cafe
