#3586: Slow array code
-----------------------------------------+----------------------------------
Reporter: simonpj | Owner:
Type: run-time performance bug | Status: new
Priority: normal | Milestone:
Component: Compiler | Version: 6.10.4
Severity: normal | Resolution:
Keywords: | Difficulty: Unknown
Testcase: | Os: Unknown/Multiple
Architecture: Unknown/Multiple |
-----------------------------------------+----------------------------------
Comment (by dons):
The uvector version generates an inner loop of:
{{{
Main_zdwfold_info:
cmpq $2000000, %rsi
je .L8
.L4:
addsd .LC0(%rip), %xmm5
leaq 1(%rsi), %rsi
jmp Main_zdwfold_info
}}}
Fusion FTW.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3586#comment:4>
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
