#367: Infinite loops can hang Concurrent Haskell
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Reporter: simonpj | Owner: ezyang
Type: bug | Status: new
Priority: lowest | Milestone: _|_
Component: Compiler | Version: 6.4.1
Resolution: None | Keywords: scheduler
allocation
Os: Unknown/Multiple | Architecture: Unknown/Multiple
Failure: Incorrect result at runtime | Difficulty: Unknown
Testcase: | Blockedby:
Blocking: | Related:
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Comment(by ezyang):
Here is the nofib results on HpAlloc:
{{{
--------------------------------------------------------------------------------
Program Size Allocs Runtime Elapsed TotalMem
--------------------------------------------------------------------------------
anna +21.8% +0.0% 0.14 0.14 +0.0%
ansi +21.8% +0.0% 0.00 0.00 +0.0%
atom +21.9% +0.0% +0.7% +0.5% +0.0%
awards +21.9% +0.0% 0.00 0.00 +0.0%
banner +21.7% +0.0% 0.00 0.00 +0.0%
bernouilli +21.9% +0.0% -2.1% -2.1% +0.0%
boyer +21.8% +0.0% 0.06 0.06 +0.0%
boyer2 +21.8% +0.0% 0.01 0.01 +0.0%
bspt +21.6% +0.0% 0.02 0.02 +0.0%
cacheprof +21.3% +0.0% +3.9% +3.7% -0.2%
calendar +21.9% +0.0% 0.00 0.00 +0.0%
cichelli +21.8% +0.0% 0.11 0.11 +0.0%
circsim +21.9% +0.0% +2.0% +2.2% +0.0%
clausify +21.9% +0.0% 0.05 0.05 +0.0%
comp_lab_zift +21.9% +0.0% +1.9% +0.8% +0.0%
compress +21.8% +0.0% +4.2% +4.5% +0.0%
compress2 +21.8% +0.0% +0.0% +0.0% +0.0%
constraints +22.0% +0.0% +1.0% +1.0% +0.0%
cryptarithm1 +21.9% +0.0% +1.3% +1.2% +0.0%
cryptarithm2 +21.9% +0.0% 0.02 0.02 +0.0%
cse +21.8% +0.0% 0.00 0.00 +0.0%
eliza +21.5% +0.0% 0.00 0.00 +0.0%
event +21.9% +0.0% 0.17 0.17 +0.0%
exp3_8 +21.9% +0.0% +0.0% +0.3% +0.0%
expert +21.9% +0.0% 0.00 0.00 +0.0%
fem +22.1% +0.0% 0.03 0.03 +0.0%
fft +21.6% +0.0% 0.05 0.05 +0.0%
fft2 +21.6% +0.0% 0.08 0.08 +0.0%
fibheaps +21.9% +0.0% 0.04 0.04 +0.0%
fish +21.8% +0.0% 0.03 0.03 +0.0%
fluid +21.8% +0.0% 0.01 0.01 +0.0%
fulsom +21.7% +0.0% +2.1% +1.7% +0.5%
gamteb +21.7% +0.0% 0.06 0.06 +0.0%
gcd +21.9% +0.0% 0.04 0.04 +0.0%
gen_regexps +21.9% +0.0% 0.00 0.00 +0.0%
genfft +21.8% +0.0% 0.05 0.05 +0.0%
gg +21.7% +0.0% 0.02 0.02 +0.0%
grep +21.8% +0.0% 0.00 0.00 +0.0%
hidden +22.0% +0.0% +14.6% +14.4% +0.0%
hpg +21.7% +0.0% 0.16 0.16 +0.0%
ida +21.9% +0.0% 0.13 0.13 +0.0%
infer +21.8% +0.0% 0.08 0.08 +0.0%
integer +21.9% +0.0% +14.0% +13.9% +0.0%
integrate +21.9% +0.0% -8.0% -7.8% +0.0%
knights +21.9% +0.0% 0.01 0.01 +0.0%
lcss +21.9% +0.0% +0.2% +0.2% +0.0%
life +21.9% +0.0% +5.9% +5.7% +0.0%
lift +21.8% +0.0% 0.00 0.00 +0.0%
listcompr +21.8% +0.0% 0.11 0.11 +0.0%
listcopy +21.8% +0.0% 0.12 0.12 +0.0%
}}}
(Also here because I wanted to see if some of the improvements were
reproduceable.)
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/367#comment:21>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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