[GHC] #11808: nofib's cryptarithm1 regresses due to deferred inlining of Int's Ord operations
GHC
ghc-devs at haskell.org
Thu Apr 7 09:16:16 UTC 2016
#11808: nofib's cryptarithm1 regresses due to deferred inlining of Int's Ord
operations
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Reporter: bgamari | Owner:
Type: task | Status: new
Priority: highest | Milestone: 8.0.1
Component: Compiler | Version: 8.0.1-rc3
Keywords: | Operating System: Unknown/Multiple
Architecture: | Type of failure: Runtime
Unknown/Multiple | performance bug
Test Case: | Blocked By:
Blocking: | Related Tickets:
Differential Rev(s): | Wiki Page:
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Commit d1179c4bff6d05cc9e86eee3e2d2cee707983c90
[[https://perf.haskell.org/ghc/#revision/d1179c4bff6d05cc9e86eee3e2d2cee707983c90|apparently]]
causes a ~5% regression in runtime in nofib's `cryptarithm1` benchmark.
Need to work out why.
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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11808>
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