[GHC] #12908: Tuple constraints refactoring seems to regress performance considerably
#12908: Tuple constraints refactoring seems to regress performance considerably -------------------------------------+------------------------------------- Reporter: bgamari | Owner: bgamari Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 8.0.1 Keywords: performance | Operating System: Unknown/Multiple Architecture: | Type of failure: Compile-time Unknown/Multiple | performance bug Test Case: | Blocked By: Blocking: | Related Tickets: Differential Rev(s): | Wiki Page: -------------------------------------+------------------------------------- ffc21506894c7887d3620423aaf86bc6113a1071 seems to cause compiler runtime regression as large as 15%. This deserves some attention. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/12908 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler
#12908: Tuple constraints refactoring seems to regress performance considerably -------------------------------------+------------------------------------- Reporter: bgamari | Owner: bgamari Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 8.0.1 Resolution: | Keywords: performance Operating System: Unknown/Multiple | Architecture: Type of failure: Compile-time | Unknown/Multiple performance bug | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by simonpj): Concrete examples? -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/12908#comment:1 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler
#12908: Tuple constraints refactoring seems to regress performance considerably -------------------------------------+------------------------------------- Reporter: bgamari | Owner: bgamari Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 8.0.1 Resolution: | Keywords: performance Operating System: Unknown/Multiple | Architecture: Type of failure: Compile-time | Unknown/Multiple performance bug | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by rwbarton): I would also be curious to see examples of this. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/12908#comment:2 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler
#12908: Tuple constraints refactoring seems to regress performance considerably -------------------------------------+------------------------------------- Reporter: bgamari | Owner: bgamari Type: bug | Status: infoneeded Priority: normal | Milestone: Component: Compiler | Version: 8.0.1 Resolution: | Keywords: performance Operating System: Unknown/Multiple | Architecture: Type of failure: Compile-time | Unknown/Multiple performance bug | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Changes (by RyanGlScott): * status: new => infoneeded -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/12908#comment:3 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler
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