#9570: cryptarithm1 (normal) has bimodal runtime
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Reporter: ezyang | Owner:
Type: bug | Status: new
Priority: normal | Milestone:
Component: NoFib benchmark | Version: 7.9
suite | Operating System:
Keywords: | Unknown/Multiple
Architecture: Unknown/Multiple | Type of failure:
Difficulty: Unknown | None/Unknown
Blocked By: | Test Case:
Related Tickets: | Blocking:
| Differential Revisions:
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I was investigating performance numbers for cryptarithm1 in #8199, I
noticed that the numbers for this benchmark were curiously bimodal. Here
are two representative samples from both sides of the distribution.
{{{
../../runstdtest/runstdtest ./cryptarithm1 -o1 cryptarithm1.stdout -o1
cryptarithm1.stdout -ghc-timing ; ../../runstdtest/runstdtest
./cryptarithm1 -o1 cryptarithm1.stdout -o1 cryptarithm1.stdout -ghc-
timing ; ../../runstdtest/runstdtest ./cryptarithm1 -o1
cryptarithm1.stdout -o1 cryptarithm1.stdout -ghc-timing ;
../../runstdtest/runstdtest ./cryptarithm1 -o1 cryptarithm1.stdout -o1
cryptarithm1.stdout -ghc-timing ; ../../runstdtest/runstdtest
./cryptarithm1 -o1 cryptarithm1.stdout -o1 cryptarithm1.stdout -ghc-
timing ;
real 0m0.676s
user 0m0.660s
sys 0m0.013s
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