[GHC] #8095: TypeFamilies painfully slow
GHC
ghc-devs at haskell.org
Tue Feb 9 02:22:04 UTC 2016
#8095: TypeFamilies painfully slow
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Reporter: MikeIzbicki | Owner: bgamari
Type: bug | Status: new
Priority: high | Milestone: 8.2.1
Component: Compiler (Type | Version: 7.6.3
checker) |
Resolution: | Keywords: TypeFamilies
Operating System: Unknown/Multiple | Architecture:
Type of failure: Compile-time | Unknown/Multiple
performance bug | Test Case:
Blocked By: | Blocking:
Related Tickets: 5321 | Differential Rev(s):
Wiki Page: |
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Comment (by goldfire):
It somehow didn't make it onto the ticket, but there was a concern about
this idea: once you omit coercions from one module, then all downstream
modules are also missing (some) coercions. This means that `-dcore-lint`
doesn't do nearly as much as it normally does. That makes me a bit
uncomfortable, but perhaps it's OK.
--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8095#comment:23>
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