#11162: T783 regresses severely in allocations with new pattern match checker -------------------------------------+------------------------------------- Reporter: bgamari | Owner: Type: bug | Status: new Priority: normal | Milestone: 8.0.1 Component: Compiler | Version: 7.10.2 Resolution: | Keywords: | PatternMatchWarnings Operating System: Unknown/Multiple | Architecture: Type of failure: Compile-time | Unknown/Multiple performance bug | Test Case: T783 Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Changes (by thomie): * milestone: => 8.0.1 Comment: From `testsuite/tests/perf/compiler/all.T` for `T783`: {{{ 2015-08-28: 526230456 (amd64/Linux) 2016-02-03: 488592288 (amd64/Linux) }}} So bytes allocated is now 7% lower than it was before the whole pattern match checker overhaul. Nice. The patch has been merged to 8.0 already in 6e23b68047a2c995562eba173fe9485cae18bff2. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/11162#comment:5 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler