#9315: Weird change in allocation numbers of T9203 -------------------------------------+------------------------------------- Reporter: nomeata | Owner: simonmar Type: bug | Status: new Priority: normal | Milestone: Component: Runtime | Version: 7.9 System | Keywords: Resolution: | Operating System: Unknown/Multiple Differential Revisions: | Type of failure: None/Unknown Architecture: | Test Case: Unknown/Multiple | Blocking: Difficulty: Unknown | Blocked By: | Related Tickets: | -------------------------------------+------------------------------------- Comment (by jrp): I get {{{ =====> T9203(normal) 2035 of 4040 [0, 0, 0] cd ./perf/should_run && '/Users/jrp/Projects/ghc/inplace/bin/ghc-stage2' -fforce-recomp -dcore-lint -dcmm-lint -dno-debug-output -no-user-package- db -rtsopts -fno-ghci-history -o T9203 T9203.hs -O2 >T9203.comp.stderr 2>&1 cd ./perf/should_run && ./T9203 +RTS -V0 -tT9203.stats --machine-readable -RTS T9203.run.stdout 2>T9203.run.stderr bytes allocated value is too low: (If this is because you have improved GHC, please update the test so that GHC doesn't regress again) Expected bytes allocated: 95747304 +/-5% Lower bound bytes allocated: 90959938 Upper bound bytes allocated: 100534670 Actual bytes allocated: 42946176 *** unexpected failure for T9203(normal) }}} with OS X, BuildFlavour = perf and InstallExtraPackages=YES. There are also a few other performance-related failures: {{{ Unexpected results from: TEST="T5611 T9203 T5435_dyn_asm haddock.Cabal T4801 T6048" OVERALL SUMMARY for test run started at Sun Jul 13 17:28:27 2014 BST 2:42:49 spent to go through 4040 total tests, which gave rise to 19417 test cases, of which 15712 were skipped 28 had missing libraries 3629 expected passes 42 expected failures 0 caused framework failures 0 unexpected passes 6 unexpected failures Unexpected failures: concurrent/should_run T5611 [bad stderr] (normal) perf/compiler T4801 [stat too good] (normal) perf/compiler T6048 [stat not good enough] (optasm) perf/haddock haddock.Cabal [stat not good enough] (normal) perf/should_run T9203 [stat too good] (normal) rts T5435_dyn_asm [bad stdout] (normal) }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/9315#comment:9 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler