Issues · Glasgow Haskell Compiler / GHC · GitLab

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

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