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  • Glasgow Haskell Compiler
  • GHCGHC
  • Issues

  • Open 10
  • Closed 10
  • All 20
New issue
  • Priority Created date Last updated Milestone due date Due date Popularity Label priority Manual Title Weight Blocking
  • Several Data.OldList functions (like find!) don't take part in list fusion   0 of 12 tasks completed
    #21344 · created Apr 05, 2022 by Sebastian Graf   Pnormal Tbug core libraries fusion runtime perf
    • 2
    updated Apr 05, 2022
  • Runtime perf: Foldable instance (minimum) allocations increased in ghc-8.10+
    #19895 · created May 24, 2021 by harendra   9.0.2   Phigh Tbug core libraries fusion
    • 9
    updated Jun 21, 2021
  • Optimisation puzzle with list of list folds and mconcat
    #19420 · created Feb 23, 2021 by vdukhovni   Pnormal Tbug core libraries fusion rules runtime perf
    • 18
    updated Jan 31, 2022
  • Data.List.drop should take part in list fusion
    #18964 · created Nov 17, 2020 by Sebastian Graf   Tfeature request core libraries fusion
    • 0
    updated Nov 18, 2020
  • List fusion: Make traverse et al. good producers
    #18949 · created Nov 13, 2020 by Sebastian Graf   Tfeature request core libraries fusion
    • 1
    updated Nov 18, 2020
  • Optimization problem with zip and iterate
    #18495 · created Jul 24, 2020 by LasseBlaauwbroek   Pnormal Tbug fusion runtime perf
    • 3
    updated Sep 07, 2020
  • Allow more worker arguments in SpecConstr
    #14003 · created Jul 20, 2017 by choenerzs   5   Pnormal SpecConstr Tfeature request Trac import fusion join points runtime perf
    • 1
    • 20
    updated Mar 21, 2020
  • Profiling defeats stream fusion when using vector library
    #12893 · created Nov 28, 2016 by John Ky   5   Pnormal Tbug Trac import fusion profiling runtime perf
    • 5
    updated Jul 07, 2019
  • Simplify primitives for short cut fusion
    #9496 · created Aug 21, 2014 by David Feuer   ⊥   0   Plow Ttask Trac import core libraries fusion
    • 4
    updated Jul 07, 2019
  • Implement cheap build
    #7206 · created Aug 31, 2012 by Simon Peyton Jones   5   Pnormal Tbug Trac import float-out fusion
    • 1
    • 32
    updated May 09, 2022