#14974: 2-fold memory usage regression GHC 8.2.2 -> GHC 8.4.1 compiling `mmark` package -------------------------------------+------------------------------------- Reporter: hvr | Owner: davide Type: bug | Status: new Priority: high | Milestone: 8.8.1 Component: Compiler | Version: 8.4.1 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: | -------------------------------------+------------------------------------- Comment (by davide): Building mmark With -dShow-passes, I get an increase from 1530MB to 2900MB of allocation for SpecConstr passes. The majority of this is from compiling the Text.MMark.Parser module. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/14974#comment:5 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler