#2680: Type-checking performance regression
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Reporter: igloo | Owner:
Type: compile-time performance bug | Status: new
Priority: high | Milestone: 6.10.1
Component: Compiler (Type checker) | Version: 6.8.3
Severity: normal | Resolution:
Keywords: | Difficulty: Unknown
Testcase: | Architecture: Unknown/Multiple
Os: Unknown/Multiple |
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Comment (by duncan):
A possibly releated real test case is the Vec library from hackage. We
noticed that takes a long time to build which we didn't notice with 6.8.
http://hackage.haskell.org/cgi-bin/hackage-scripts/package/Vec
Another one that is much much slowe to compile with 6.10 vs 6.8 is WURFL.
However that looks more likely to be a parser issue than typechecking.
It's got large amounts of generated code.
http://hackage.haskell.org/cgi-bin/hackage-scripts/package/WURFL
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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2680#comment:3>
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