[GHC] #7258: Compiling DynFlags is jolly slow
GHC
ghc-devs at haskell.org
Thu Oct 26 13:23:46 UTC 2017
#7258: Compiling DynFlags is jolly slow
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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: |
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Comment (by tdammers):
More data! https://ghc.haskell.org/trac/ghc/attachment/ticket/7258/ghc-
large-record-types-cmm-size.png shows C-- code size growth as the number
of fields grows for the same generated examples as in the other graphs.
getline and getline-appl generate the exact same C--, so there's no point
including both in the graph; they are the only ones that grow linearly
among the "interesting" examples.
--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/7258#comment:62>
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