#4005: paraffins: slowdown of ca 2 with -O2
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Reporter: hwloidl | Owner: igloo
Type: bug | Status: new
Priority: high | Milestone: 6.12.3
Component: Compiler | Version: 6.12.1 RC1
Keywords: optimisation | Difficulty:
Os: Linux | Testcase: see attached (compile and run) log
Architecture: x86 | Failure: Runtime performance bug
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Changes (by simonpj):
* owner: => igloo
Comment:
But WHY is GC suddenly taking such a long time with -O? Previously
perhaps it didn't.
Ian: might you do a space profile and see if you can track down what is
happening here? It's a nice small program.
Simon
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4005#comment:3>
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