[GHC] #8835: 7.6.3 vs 7.8-RC performance regression

[GHC]

#8835: 7.6.3 vs 7.8-RC performance regression
--------------------------------------------+------------------------------
        Reporter:  cbm80                    |            Owner:
            Type:  bug                      |           Status:  new
        Priority:  normal                   |        Milestone:
       Component:  Compiler                 |          Version:  7.8.1-rc2
      Resolution:                           |         Keywords:
Operating System:  Linux                    |     Architecture:  x86_64
 Type of failure:  Runtime performance bug  |  (amd64)
       Test Case:                           |       Difficulty:  Unknown
        Blocking:                           |       Blocked By:
                                            |  Related Tickets:
--------------------------------------------+------------------------------

Comment (by carter):

 could you compile the program with 7.8 using -fno-full-laziness and give
 us the perf info then? (theres 1-2 example programs we've seen where
 adding -fno-full-laziness will resolve the change in performance
 characteristics)

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8835#comment:1>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler