[GHC] #15999: Stabilise nofib runtime measurements

[GHC]

#15999: Stabilise nofib runtime measurements
-------------------------------------+-------------------------------------
        Reporter:  sgraf             |                Owner:  (none)
            Type:  task              |               Status:  new
        Priority:  normal            |            Milestone:  ⊥
       Component:  NoFib benchmark   |              Version:  8.6.2
  suite                              |
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #5793 #9476       |  Differential Rev(s):
  #15333 #15357                      |
       Wiki Page:                    |
-------------------------------------+-------------------------------------
Changes (by sgraf):

 * Attachment "prod.py" added.

 Python script for sampling and plotting productivity rates

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15999>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler