#4005: paraffins: slowdown of ca 2 with -O2
-----------------------------+----------------------------------------------
Reporter: hwloidl | Owner: igloo
Type: bug | Status: new
Priority: high | Milestone: 6.12.3
Component: Compiler | Version: 6.12.1 RC1
Keywords: optimisation | Difficulty:
Os: Linux | Testcase: see attached (compile and run) log
Architecture: x86 | Failure: Runtime performance bug
-----------------------------+----------------------------------------------
Comment(by igloo):
Slow:
{{{
ghc --make pL -fforce-recomp -rtsopts -fenable-rewrite-rules -fno-ignore-
interface-pragmas
}}}
Fast:
{{{
ghc --make pL -fforce-recomp -rtsopts -fno-ignore-interface-pragmas
}}}
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4005#comment:7>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
_______________________________________________
Glasgow-haskell-bugs mailing list
[email protected]
http://www.haskell.org/mailman/listinfo/glasgow-haskell-bugs