#11735: Optimize coercionKind -------------------------------------+------------------------------------- Reporter: goldfire | Owner: (none) Type: task | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.10.3 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: | -------------------------------------+------------------------------------- Comment (by tdammers): Effect of D4394 on compilation of `Grammar.hs`: Compiling with GHC HEAD (`02b3dad195`), built with the `quick` profile: {{{ tobias@zoidberg:~/well-typed/devel/ghc-T14683/ > time ../ghc/HEAD/inplace/bin/ghc-stage2 grammar-hs/Grammar.hs -fforce-recomp -O2 [1 of 1] Compiling Grammar ( grammar-hs/Grammar.hs, grammar- hs/Grammar.o ) ../ghc/HEAD/inplace/bin/ghc-stage2 grammar-hs/Grammar.hs -fforce-recomp -O2 465.26s user 0.52s system 100% cpu 7:45.42 total }}} Compiling with D4394 applied (`6493976fdb`), built with the `quick` profile: {{{ tobias@zoidberg:~/well-typed/devel/ghc-T14683/ > time ../ghc/D4394/inplace/bin/ghc-stage2 grammar-hs/Grammar.hs -fforce-recomp -O2 [1 of 1] Compiling Grammar ( grammar-hs/Grammar.hs, grammar- hs/Grammar.o ) ../ghc/D4394/inplace/bin/ghc-stage2 grammar-hs/Grammar.hs -fforce-recomp -O2 25.95s user 0.36s system 94% cpu 27.977 total }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/11735#comment:80 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler