#7258: Compiling DynFlags is jolly slow
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Reporter: simonpj | Owner: igloo
Type: bug | Status: new
Priority: normal | Milestone: 7.8.1
Component: Compiler | Version: 7.6.1
Keywords: | Os: Unknown/Multiple
Architecture: Unknown/Multiple | Failure: None/Unknown
Difficulty: Unknown | Testcase:
Blockedby: | Blocking:
Related: |
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Comment(by igloo):
{{{
Fri Oct 19 20:23 2012 Time and Allocation Profiling Report (Final)
ghc-stage2 +RTS -p -h -RTS -B/home/ian/ghc/git/ghc/inplace/lib
-fforce-recomp -c W2.hs
total time = 26.08 secs (26080 ticks @ 1000 us, 1 processor)
total alloc = 14,601,152,424 bytes (excludes profiling overheads)
COST CENTRE MODULE %time %alloc
OccAnal SimplCore 27.0 24.5
RegAlloc AsmCodeGen 19.2 22.4
pprNativeCode AsmCodeGen 16.8 19.9
regLiveness AsmCodeGen 8.0 6.3
genMachCode AsmCodeGen 5.0 5.4
StgCmm HscMain 4.3 3.5
occAnalBind.assoc OccurAnal 3.3 3.3
tops CmmPipeline 3.3 3.4
SimplTopBinds SimplCore 1.7 1.6
do_block Hoopl.Dataflow 1.1 0.8
}}}
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7258#comment:3>
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