#5536: IO performance regression in 7.2 vs 7.0
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Reporter: simonmar | Owner: batterseapower
Type: bug | Status: new
Priority: high | Milestone: 7.4.1
Component: libraries/base | Version: 7.2.1
Keywords: | Testcase:
Blockedby: | Difficulty:
Os: Unknown/Multiple | Blocking:
Architecture: Unknown/Multiple | Failure: None/Unknown
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Comment(by simonmar):
commit 56254d7bee159eaa76701a0088fd598f84faba11
{{{
Author: Simon Marlow <[email protected]>
Date: Thu Oct 13 11:10:42 2011 +0100
tweak unpack/unpack_nl to generate better Core (#5536)
}}}
The results are much better now: indistinguishable from the 7.0.3
performance.
I want to add a perf regression test for this before I close it.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5536#comment:11>
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