GHC hang

Simon Peyton-Jones simonpj at
Tue Jun 7 05:52:12 EDT 2005

There is definitely a performance bug somewhere in GHC, and we're
collecting cases that show it up.  It'd be ideal if you, or someone
else, could snip out a standalone module or two that demonstrates the
problem, rather than all of WASH.  If not, we'll try to tackle it


| -----Original Message-----
| From: glasgow-haskell-users-bounces at
| bounces at] On Behalf Of John Goerzen
| Sent: 06 June 2005 21:21
| To: glasgow-haskell-users at
| Subject: Re: GHC hang
| On 2005-06-06, Simon Peyton-Jones <simonpj at> wrote:
| > Lots of people seem to have had problems compiling Wash with GHC
| Another person told me, perhaps in private, that it just takes GHC 15
| minutes to compile the specific file in question on amd64.  It turns
| that there is not a hang bug with this.
| There were various other bugs with Wash, and I think I have got it to
| least a buildable state.  See my announcement on that topic in this
| for more.
| -- John
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