[Haskell-cafe] Shootout update

[Simon Marlow]

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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