On 31/03/2010 16:06, Roman Leshchinskiy wrote:
I'm wondering... Since the DPH libraries are shipped with GHC by default are we
allowed to use them for the shootout?
I don't see why not.
*evil grin*
Simon
Roman
On 30/03/2010, at 19:25, Simon Marlow wrote:
The shootout (sorry, Computer Language Benchmarks Game) recently updated to GHC
6.12.1, and many of the results got worse. Isaac Gouy has added the +RTS -qg
flag to partially fix it, but that turns off the parallel GC completely and we
know that in most cases better results can be had by leaving it on. We really
need to tune the flags for these benchmarks properly.
http://shootout.alioth.debian.org/u64q/haskell.php
It may be that we have to back off to +RTS -N3 in some cases to avoid the
last-core problem (http://hackage.haskell.org/trac/ghc/ticket/3553), at least
until 6.12.2.
Any volunteers with a quad-core to take a look at these programs and optimise
them for 6.12.1?
Cheers,
Simon
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