#2462: Data.List.sum is slower than 6.8.3
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Reporter: simonmar | Owner: simonpj
Type: run-time performance bug | Status: reopened
Priority: high | Milestone: 6.10.1
Component: Compiler | Version: 6.8.3
Severity: normal | Resolution:
Keywords: | Difficulty: Unknown
Testcase: | Architecture: Unknown
Os: Unknown |
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Changes (by simonmar):
* status: closed => reopened
* resolution: invalid =>
Comment:
We think it's necessary to compile the definition of sum itself with -O2
in order to reproduce this.
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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2462#comment:3>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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