[GHC] #7258: Compiling DynFlags is jolly slow
GHC
ghc-devs at haskell.org
Thu Oct 26 13:27:31 UTC 2017
#7258: Compiling DynFlags is jolly slow
-------------------------------------+-------------------------------------
Reporter: simonpj | Owner: simonpj
Type: bug | Status: new
Priority: normal | Milestone:
Component: Compiler | Version: 7.6.1
Resolution: | Keywords: deriving-perf
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: |
-------------------------------------+-------------------------------------
Comment (by tdammers):
Replying to [comment:63 simonpj]:
> Interesting. I can't tell whether that's as non-linear as the runtime,
but the bad cases are clearly big!
>
> What happens to the size of Core? (Neglect types and coercions which are
erased.)
>
> And finally does the Core-to-Cmm size ratio go up?
I'll check that next, unfortunately this means I have to run all those
examples again...
--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/7258#comment:65>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
More information about the ghc-tickets
mailing list