#9520: Running an action twice uses much more memory than running it once -------------------------------------+------------------------------------- Reporter: snoyberg | Owner: Type: bug | Status: closed Priority: normal | Milestone: Component: Compiler | Version: 7.8.3 Resolution: invalid | Keywords: Operating System: Linux | Architecture: x86_64 Type of failure: Runtime | (amd64) performance bug | Test Case: Blocked By: | Blocking: Related Tickets: #8457 | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by edsko): Sure. Article is now published at http://www.well-typed.com/blog/2016/09 /sharing-conduit/ . It discusses all the issues mentioned in this ticket (including, as a bonus why prof-auto has the effect it has :). As requested will also add a link in the ticket description. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/9520#comment:15 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler