Make sure you're profiling with -prof -auto-all And any packages you're using may need -auto-all as well.
limestrael: > I'm definitely not good at profiling... > But I have something: > > 4,971,190,736 bytes allocated in the heap > 4,392,735,248 bytes copied during GC > 13,998,328 bytes maximum residency (573 sample(s)) > 3,281,000 bytes maximum slop > 38 MB total memory in use (0 MB lost due to fragmentation) > > Generation 0: 6987 collections, 0 parallel, 3.18s, 3.01s elapsed > Generation 1: 573 collections, 0 parallel, 1.74s, 1.90s elapsed > > INIT time 0.00s ( 0.00s elapsed) > MUT time 6.60s ( 9.54s elapsed) > GC time 4.92s ( 4.91s elapsed) > RP time 0.00s ( 0.00s elapsed) > PROF time 0.02s ( 0.03s elapsed) > EXIT time 0.01s ( 0.01s elapsed) > Total time 11.55s ( 14.49s elapsed) > > %GC time 42.6% (33.9% elapsed) > > Alloc rate 752,071,215 bytes per MUT second > > Productivity 57.2% of total user, 45.6% of total elapsed > > > COST CENTRE MODULE %time %alloc > > MAIN MAIN 92.2 89.9 > newPaddle Pong.Types 7.8 9.9 > > > Apparently, the integral (which is in newPaddle) does not consumes lots of > memory and time. It's the main. > > I don't see where I should add strict evaluation. > > > 2010/5/15 Limestraël <limestr...@gmail.com> > > Okay, > guess I'll have to bring out the chapter 25 of my Real World Haskell... > > > 2010/5/15 Bulat Ziganshin <bulat.zigans...@gmail.com> > > > Hello Limestraėl, > > Saturday, May 15, 2010, 7:02:38 PM, you wrote: > > > But when I set my beat to tick every 60 times per second, the > > position is well updated, but I clearly see that the display > > dramatically slows down after a few seconds of execution. Too heavy > rate for integrate? > > it may be due to lot of uncollected garbage that is result of lazy > evaluation. profile program to check its GC times > > > -- > Best regards, > Bulat mailto:bulat.zigans...@gmail.com > > > > > > _______________________________________________ > Haskell-Cafe mailing list > Haskell-Cafe@haskell.org > http://www.haskell.org/mailman/listinfo/haskell-cafe _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe