#12545: Compilation time/space regression in GHC 8.0/8.1 (search in type-level
lists and -O)
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Reporter: | Owner:
mikhail.vorozhtsov |
Type: bug | Status: new
Priority: normal | Milestone:
Component: Compiler | Version: 8.0.1
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: |
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Comment (by mikhail.vorozhtsov):
The results of putting `NOINLINE` on `elemWitness`:
{{{
$ time ~/Prefixes/ghc-7.10.3/bin/ghc -O -c -Rghc-timing TypeList.hs
Regression.hs
<