#12545: Compilation time/space regression in GHC 8.0/8.1 (search in type-level lists and -O) -------------------------------------+------------------------------------- Reporter: | Owner: (none) mikhail.vorozhtsov | Type: bug | Status: patch Priority: normal | Milestone: Component: Compiler | Version: 8.0.1 Resolution: | Keywords: Inlining Operating System: Unknown/Multiple | Architecture: Type of failure: Compile-time | Unknown/Multiple performance bug | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Phab:D3632 Wiki Page: | -------------------------------------+------------------------------------- Comment (by Ben Gamari <ben@…>): In [changeset:"6ddb3aaf5265d15a422dbaeb5396c2c20acc9ff1/ghc" 6ddb3aaf/ghc]: {{{ #!CommitTicketReference repository="ghc" revision="6ddb3aaf5265d15a422dbaeb5396c2c20acc9ff1" Add perf test for #12545 Commit 2b74bd9d8b4c6b20f3e8d9ada12e7db645cc3c19 did wonders for the program reported in #12545. Let's add a perf test for it to make sure it stays fast. Test Plan: make test TEST=T12545 Reviewers: austin, bgamari Reviewed By: bgamari Subscribers: rwbarton, thomie GHC Trac Issues: #12545 Differential Revision: https://phabricator.haskell.org/D3632 }}} -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12545#comment:17> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler