#13344: Core string literal patch regresses compiler performance considerably -------------------------------------+------------------------------------- Reporter: bgamari | Owner: bgamari Type: bug | Status: new Priority: high | Milestone: 8.2.1 Component: Compiler | Version: 8.0.1 Resolution: | Keywords: 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 bgamari): * owner: (none) => bgamari * failure: None/Unknown => Compile-time performance bug * priority: normal => high Old description:
The Core string literals patch regresses compiler performance by nearly 5%. https://perf.haskell.org/ghc/#revision/d49b2bb21691892ca6ac8f2403e31f2a5e53f...
We should really understand why this is; this is a huge regression for something that really shouldn't be costly.
New description: The Core string literals patch [[https://perf.haskell.org/ghc/#revision/d49b2bb21691892ca6ac8f2403e31f2a5e53feb3|regresses]] compiler performance by nearly 5%. We should really understand why this is; this is a huge regression for something that really shouldn't be costly. -- -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/13344#comment:1 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler