#4951: Performance regression 7.0.1 -> 7.0.1.20110201
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Reporter: simonmar | Owner: simonpj
Type: bug | Status: new
Priority: highest | Milestone: 7.0.2
Component: Compiler | Version: 7.0.1
Resolution: | Keywords:
Testcase: | Blockedby:
Difficulty: | Os: Unknown/Multiple
Blocking: | Architecture: Unknown/Multiple
Failure: Runtime performance bug |
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Comment(by simonmar):
nofib run today, comparing 7.0.1 and 7.0.1.20110210:
{{{
--------------------------------------------------------------------------------
Program Size Allocs Runtime Elapsed
--------------------------------------------------------------------------------
Min +0.4% -4.4% -2.9% -2.9%
Max +7.9% +110.8% +65.9% +66.7%
Geometric Mean +3.1% +10.3% +3.6% +3.5%
}}}
clearly this is quite bad, we shouldn't roll 7.0.2 yet.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4951#comment:4>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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