Bryan O'Sullivan wrote:
Jim Snow wrote:
The concurrency bug has to do with excessive memory use, and was
discussed earlier here on the mailing list (search for Glome).
http://hackage.haskell.org/trac/ghc/ticket/2185
Interesting. I looked at your test case. I can reproduce your problem
when I build with the threaded runtime and run with a single core, but
not if I use +RTS -N2. Did you overlook the possibility that you may
not have told GHC how many cores to use?
There's definitely a bug here, regardless of whether this example
demonstrates it. Use of par shouldn't introduce a space leak, and
currently it can.
(fortunately I'm fixing it as we speak...)
Cheers,
Simon
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