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  • #14165

Closed
Open
Opened Aug 29, 2017 by David Feuer@treeowlReporter

Investigate regressions from simplifier refactor

Commit 33452dfc (Refactor the Mighty Simplifier) caused test suite regressions under 64-bit Linux and OSX (but not 32-bit Linux or Windows). See the build results.

Under 64-bit Linux:

max_bytes_used value is too high:
    Expected    T1969(normal) max_bytes_used: 16679176 +/-15%
    Lower bound T1969(normal) max_bytes_used: 14177299 
    Upper bound T1969(normal) max_bytes_used: 19181053 
    Actual      T1969(normal) max_bytes_used: 19199872 
    Deviation   T1969(normal) max_bytes_used:     15.1 %
*** unexpected stat test failure for T1969(normal)
bytes allocated value is too high:
    Expected    T12150(optasm) bytes allocated: 70773000 +/-5%
    Lower bound T12150(optasm) bytes allocated: 67234350 
    Upper bound T12150(optasm) bytes allocated: 74311650 
    Actual      T12150(optasm) bytes allocated: 74358208 
Deviation T12150(optasm) bytes allocated: 5.1 %

Under 64-bit OSX:

bytes allocated value is too high:
    Expected    T12150(optasm) bytes allocated: 70773000 +/-5%
    Lower bound T12150(optasm) bytes allocated: 67234350 
    Upper bound T12150(optasm) bytes allocated: 74311650 
    Actual      T12150(optasm) bytes allocated: 74503808 
    Deviation   T12150(optasm) bytes allocated:      5.3 %
*** unexpected stat test failure for T12150(optasm)
Trac metadata
Trac field Value
Version 8.3
Type Bug
TypeOfFailure OtherFailure
Priority normal
Resolution Unresolved
Component Compiler
Test case
Differential revisions
BlockedBy
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Blocking
CC simonpj
Operating system
Architecture
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Reference: ghc/ghc#14165