Skip to content

GitLab

  • Menu
Projects Groups Snippets
    • Loading...
  • Help
    • Help
    • Support
    • Community forum
    • Submit feedback
  • Sign in / Register
  • GHC GHC
  • Project information
    • Project information
    • Activity
    • Labels
    • Members
  • Repository
    • Repository
    • Files
    • Commits
    • Branches
    • Tags
    • Contributors
    • Graph
    • Compare
    • Locked Files
  • Issues 4,829
    • Issues 4,829
    • List
    • Boards
    • Service Desk
    • Milestones
    • Iterations
  • Merge requests 447
    • Merge requests 447
  • CI/CD
    • CI/CD
    • Pipelines
    • Jobs
    • Schedules
    • Test Cases
  • Deployments
    • Deployments
    • Releases
  • Analytics
    • Analytics
    • CI/CD
    • Code review
    • Insights
    • Issue
    • Repository
    • Value stream
  • Wiki
    • Wiki
  • Snippets
    • Snippets
  • Activity
  • Graph
  • Create a new issue
  • Jobs
  • Commits
  • Issue Boards
Collapse sidebar
  • Glasgow Haskell Compiler
  • GHCGHC
  • Issues

  • Open 174
  • Closed 249
  • All 423
New issue
  • Priority Created date Last updated Milestone due date Due date Popularity Label priority Manual Title Weight Blocking
  • GHC 9.0.2: Out of memory when compiling (simplifier)
    #21577 · created May 15, 2022 by Ben Price   Phigh Tbug compiler perf simplifier
    • 6
    • 15
    updated May 20, 2022
  • Scrap Your Type Applications
    #21412 · created Apr 20, 2022 by Richard Eisenberg   Ttask compiler perf
    • 1
    updated Apr 25, 2022
  • ghc.compiler.GHC.Cmm.Switch.restrictMap could be more efficient
    #21217 · created Mar 10, 2022 by jwaldmann   Plow Ttask compiler perf
    • 1
    • 4
    updated Mar 15, 2022
  • Check laziness of Coercion in the Reduction type
    #21041 · created Feb 04, 2022 by Richard Eisenberg   Pnormal Ttask compiler perf typechecker
    • 1
    • 0
    updated Feb 04, 2022
  • Perf idea: Abandon Note [In-scope set as a substitution], use IntSet/UnVarSet as InScopeSet
    #21001 · created Jan 25, 2022 by Sebastian Graf   Ttask compiler perf
    • 5
    updated May 13, 2022
  • Template Haskell code optimized poorly
    #20954 · created Jan 17, 2022 by David Feuer   Plow Tquestion TemplateHaskell compiler perf
    • 6
    updated Jan 18, 2022
  • Failure of arity trimming leads to simplifer loop
    #20953 · created Jan 16, 2022 by Simon Peyton Jones   Pnormal Tbug compiler perf representation polymorphism simplifier
    • 4
    updated Jan 17, 2022
  • MHU: Downsweep can be quite slow with a lot of modules and packages (1800 modules/139 packages)
    #20891 · created Dec 30, 2021 by Matthew Pickering   Pnormal Tfeature request compiler perf driver multiple home units newcomer
    • 0
    updated Jan 03, 2022
  • Core lint can dominate compile times
    #20825 · created Dec 15, 2021 by Matthew Pickering   Pnormal Ttask compiler perf core lint
    • 10
    updated Jan 04, 2022
  • Something is amiss with fusion in UniqSet construction
    #20740 · created Nov 25, 2021 by Ben Gamari   Pnormal Tbug compiler perf
    • 3
    updated Nov 29, 2021
  • 9.2.1 regression: panic with heap overflow on a file that works fine in 9.0.1
    #20683 · created Nov 15, 2021 by JasonGross   Phigh Tbug compiler perf typechecker
    • 19
    updated Dec 29, 2021
  • Selectors are inlined too vigorously
    #20612 · created Nov 03, 2021 by Simon Peyton Jones   Pnormal Ttask compiler perf inlining simplifier
    • 2
    updated Mar 08, 2022
  • INLINABLE exports bottom crud
    #20591 · created Nov 01, 2021 by David Feuer   Tfeature request compiler perf
    • 1
    updated Nov 02, 2021
  • Very slow (8min w/ minimal exts, 18min with GHC2021) to typecheck reasonably-sized Happy grammar
    #20548 · created Oct 24, 2021 by Nathan Ringo   Pnormal Tbug compiler perf
    • 3
    updated Nov 03, 2021
  • No KnotVars should be live at the end of upsweep
    #20491 · created Oct 08, 2021 by Matthew Pickering   Pnormal Ttask compiler perf driver newcomer
    • 0
    updated Oct 12, 2021
  • Compiler allocations are sensitive to environment variables
    #20431 · created Sep 28, 2021 by Ben Gamari   Plow Tbug compiler perf
    • 4
    • 9
    updated Oct 05, 2021
  • Agda seems pretty slow to compile
    #20365 · created Sep 13, 2021 by Matthew Pickering   Pnormal Tbug compiler perf
    • 4
    updated Sep 17, 2021
  • let-bind more types to save space
    #20264 · created Aug 22, 2021 by Richard Eisenberg   Pnormal Tbug compiler perf typechecker
    • 1
    • 8
    updated Apr 21, 2022
  • Add regression test for renamer/typechecker performance regression in GHC 9
    #20261 · created Aug 21, 2021 by Zachary Snow   Pnormal Ttask compiler perf newcomer
    • 1
    • 7
    updated Dec 18, 2021
  • Pattern match checker can be very slow
    #20251 · created Aug 19, 2021 by Jaro Reinders   Pnormal Tbug compiler perf pattern match warnings
    • 13
    updated May 10, 2022
  • Prev
  • 1
  • 2
  • 3
  • 4
  • 5
  • …
  • 9
  • Next