[Haskell-cafe] GHCi panic
dons at galois.com
Fri May 30 17:08:16 EDT 2008
> I don't suppose this will surprise anybody greatly, but...
> Apparently if you write a Haskell module that is 400 KB in size and
> defines a single CAF consisting of a 45,000-element [String], GHCi
> panics when attempting to load it interpretted, and hits a stack
> overflow attempting to load it compiled.
> GHC also takes forever to compile it in the first place, and eventually
> spits out a 5 MB interface file later followed by a 16 MB object file.
> And attempting to compile a trivial module against it again causes a
> stack overflow.
> Presumably the designers of GHC just didn't expect anybody to try to do
> anything this weird? ;-)
> I was hoping that doing things this way round would be *more efficient*.
> But this is apparently not the case at all, so I'll just go back to
> reading the file at runtime instead...
> [Presumably if I was desparate I could convert the data into some kind
> of preinitialised C structure and manually link it in - if I was that
As usual, consult the wiki first.
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