[GHC] #10491: Regression, simplifier explosion with Accelerate, cannot compile, increasing tick factor is not a workaround

GHC ghc-devs at haskell.org
Tue Jun 23 17:47:46 UTC 2015


#10491: Regression, simplifier explosion with Accelerate, cannot compile,
increasing tick factor is not a workaround
-------------------------------------+-------------------------------------
        Reporter:  robertce          |                   Owner:  bgamari
            Type:  bug               |                  Status:  closed
        Priority:  highest           |               Milestone:  7.10.2
       Component:  Compiler          |                 Version:  7.10.1
      Resolution:  wontfix           |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
 Type of failure:  Compile-time      |  Unknown/Multiple
  performance bug                    |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:
-------------------------------------+-------------------------------------
Changes (by bgamari):

 * status:  new => closed
 * resolution:   => wontfix


Comment:

 As Simon described above, there isn't much we can do to safely optimize
 this sort of program in general. Moreover, it seems that 7.11 already
 decides on its own not to inline the offending function. Closing as
 WONTFIX.

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10491#comment:46>
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