context-stack GHC 7.0.1 Release Candidate 1

[Christian Maeder]

Am 27.09.2010 16:38, schrieb Simon Peyton-Jones:
> We found another occurrence of very poor performance in a smaller program.  We have a nice fix; but won't be able to commit for a few days
> 
> Let's hope it fixes your problem too!

Ok, I'll hang on.

Cheers Christian

(Btw compiling module Logic.Modification failed after 2 hours with such
a large error message, that I could not scroll back to the top.)

> 
> Simon
> 
> |  -----Original Message-----
> |  From: glasgow-haskell-users-bounces at haskell.org [mailto:glasgow-haskell-users-
> |  bounces at haskell.org] On Behalf Of Christian Maeder
> |  Sent: 27 September 2010 15:32
> |  Cc: glasgow-haskell-users at haskell.org
> |  Subject: Re: context-stack GHC 7.0.1 Release Candidate 1
> |  
> |  Am 27.09.2010 15:12, schrieb Christian Maeder:
> |  > I wasn't able to compile yet. After 4 minutes it failed with:
> |  >
> |  >   Context reduction stack overflow; size = 46
> |  >
> |  > and I'm increasing the context-stack further.
> |  
> |  It goes through with -fcontext-stack=100, but the compilation time is
> |  unacceptable. 55 minutes for the following two files on x86_64:
> |  
> |  [381 of 536] Compiling Logic.Comorphism ( Logic/Comorphism.hs,
> |  Logic/Comorphism.o )
> |  [382 of 536] Compiling Logic.Modification ( Logic/Modification.hs,
> |  Logic/Modification.o )
> |  
> |  And the second one isn't finished yet.
> |  
> |  C.
> |  >
> |  > Maybe this is related to:
> |  > http://hackage.haskell.org/trac/ghc/ticket/816
> |  >
> |  > (ghc-6.10.x or ghc-6.12.x have no such problems.)
> |  >
> |  > Cheers Christian
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