[GHC] #11701: ghc generates significant slower code
GHC
ghc-devs at haskell.org
Sun Mar 20 16:32:56 UTC 2016
#11701: ghc generates significant slower code
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Reporter: HuStmpHrrr | Owner:
Type: bug | Status: patch
Priority: normal | Milestone: 8.0.1
Component: Compiler | Version: 7.10.3
Resolution: | Keywords: efficiency
Operating System: Linux | Architecture: x86_64
Type of failure: Runtime | (amd64)
performance bug | Test Case:
Blocked By: | Blocking:
Related Tickets: | Differential Rev(s): Phab:D1997
Wiki Page: |
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Comment (by Ben Gamari <ben@…>):
In [changeset:"2841ccab595ce38fb86b789574f057c3abe3d630/ghc"
2841ccab/ghc]:
{{{
#!CommitTicketReference repository="ghc"
revision="2841ccab595ce38fb86b789574f057c3abe3d630"
Mark GHC.Real.even and odd as INLINEABLE
Previously they were merely specialised at Int and Integer. It seems to
me that these are cheap enough to be worth inlining. See #11701 for
motivation.
Test Plan: Validate
Reviewers: austin, hvr, simonpj
Reviewed By: simonpj
Subscribers: thomie
Differential Revision: https://phabricator.haskell.org/D1997
GHC Trac Issues: #11701
}}}
--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11701#comment:7>
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