[GHC] #9232: Stats file has wrong numbers

GHC ghc-devs at haskell.org
Tue Jun 24 09:50:32 UTC 2014


#9232: Stats file has wrong numbers
------------------------------------+-----------------------------
       Reporter:  augustss          |             Owner:  simonmar
           Type:  bug               |            Status:  new
       Priority:  low               |         Milestone:
      Component:  Runtime System    |           Version:  7.8.2
       Keywords:                    |  Operating System:  Windows
   Architecture:  Unknown/Multiple  |   Type of failure:  Other
     Difficulty:  Unknown           |         Test Case:
     Blocked By:                    |          Blocking:
Related Tickets:                    |
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 The summary numbers in the file generated with the -S flag cannot be
 right.  Here's an example:
 {{{
    1,943,795,468 bytes allocated in the heap
   17,587,189,232 bytes copied during GC
 }}}
 The corresponding numbers with ghc 7.2 are
 {{{
  193,859,474,520 bytes allocated in the heap
   17,766,908,288 bytes copied during GC
 }}}
 While it's theoretically possible that allocation has improved that much,
 I don't believe it.

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9232>
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