#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):
Code bloat is pretty big across the board, but runtime performance hit is
about what I expected.
{{{
NoFib Results
--------------------------------------------------------------------------------
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% +0.8% +0.3% +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% -1.8% +0.0%
boyer +21.8% +0.0% 0.05 0.05 +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% +0.1% +4.2% +4.0% +0.0%
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% +2.1% +2.0% +0.0%
clausify +21.9% +0.0% 0.05 0.05 +0.0%
comp_lab_zift +21.9% +0.0% +2.2% +1.1% +0.0%
compress +21.8% +0.0% +3.6% +4.5% +0.0%
compress2 +21.8% +0.0% +0.0% +0.0% +0.0%
constraints +22.0% +0.0% +0.4% +0.4% +0.0%
cryptarithm1 +21.9% +0.0% +1.4% +1.3% +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% +0.0% +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% +2.5% +2.5% -0.9%
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% +15.0% +14.8% +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% +13.9% +13.9% +0.0%
integrate +21.9% +0.0% -9.1% -8.1% +0.0%
knights +21.9% +0.0% 0.01 0.01 +0.0%
lcss +21.9% +0.0% +0.2% +0.3% +0.0%
life +21.9% +0.0% +5.7% +5.2% +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%
maillist +21.9% +0.0% 0.10 0.10 -5.4%
mandel +21.5% +0.0% 0.09 0.09 +0.0%
mandel2 +21.9% +0.0% 0.01 0.01 +0.0%
minimax +21.9% +0.0% 0.01 0.01 +0.0%
mkhprog +21.9% +0.0% 0.01 0.01 +0.0%
multiplier +21.9% +0.0% 0.15 0.15 +0.0%
nucleic2 +21.4% +0.0% 0.09 0.09 +0.0%
para +22.0% +0.0% +3.2% +3.2% +0.0%
paraffins +21.9% +0.0% 0.11 0.11 +0.0%
parser +21.8% +0.0% 0.05 0.05 +0.0%
parstof +21.3% +0.0% 0.01 0.01 +0.0%
pic +22.0% +0.0% 0.02 0.02 +0.0%
power +21.8% +0.0% +0.0% -0.1% +0.0%
pretty +21.9% +0.0% 0.00 0.00 +0.0%
primes +21.9% +0.0% 0.08 0.08 +0.0%
primetest +21.9% +0.0% 0.14 0.14 +0.0%
prolog +21.9% +0.0% 0.01 0.01 +0.0%
puzzle +21.9% +0.0% 0.19 0.19 +0.0%
queens +21.9% +0.0% 0.03 0.03 +0.0%
reptile +21.5% +0.0% 0.02 0.02 +0.0%
rewrite +21.9% +0.0% 0.02 0.02 +0.0%
rfib +21.9% +0.0% 0.02 0.02 +0.0%
rsa +21.9% +0.0% 0.04 0.04 +0.0%
scc +21.9% +0.0% 0.00 0.00 +0.0%
sched +21.9% +0.0% 0.03 0.03 +0.0%
scs +21.9% +0.0% +2.4% +2.8% +0.0%
simple +22.2% +0.0% +4.8% +5.0% +0.0%
solid +21.8% +0.0% 0.17 0.17 +0.0%
sorting +21.9% +0.0% 0.00 0.00 +0.0%
sphere +21.9% +0.0% 0.08 0.08 +0.0%
symalg +22.0% +0.0% 0.02 0.02 +0.0%
tak +21.9% +0.0% 0.02 0.02 +0.0%
transform +21.8% +0.0% -4.6% -4.4% +0.0%
treejoin +21.9% +0.0% +0.0% +0.0% +0.0%
typecheck +21.8% +0.0% +5.5% +6.6% +0.0%
veritas +21.1% +0.0% 0.01 0.01 +0.0%
wang +21.9% +0.0% 0.14 0.14 +0.0%
wave4main +21.9% +0.0% +3.0% +3.0% +0.0%
wheel-sieve1 +21.9% +0.0% +11.9% +11.9% +0.0%
wheel-sieve2 +21.9% +0.0% +4.8% +4.8% +0.0%
x2n1 +21.6% +0.0% 0.01 0.01 +0.0%
--------------------------------------------------------------------------------
Min +21.1% +0.0% -9.1% -8.1% -5.4%
Max +22.2% +0.1% +15.0% +14.8% +0.0%
Geometric Mean +21.8% +0.0% +2.6% +2.7% -0.1%
}}}
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/367#comment:18>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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