[GHC] #15435: Make nofib-style anaysis for perf/compiler

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Tue Jul 24 14:48:03 UTC 2018


#15435: Make nofib-style anaysis for perf/compiler
-------------------------------------+-------------------------------------
           Reporter:  simonpj        |             Owner:  (none)
               Type:  bug            |            Status:  new
           Priority:  normal         |         Milestone:  8.6.1
          Component:  Compiler       |           Version:  8.4.3
           Keywords:                 |  Operating System:  Unknown/Multiple
       Architecture:                 |   Type of failure:  None/Unknown
  Unknown/Multiple                   |
          Test Case:                 |        Blocked By:
           Blocking:                 |   Related Tickets:
Differential Rev(s):                 |         Wiki Page:
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 The compiler runtime tests in `perf/compiler` only complain if the perf
 gets worse by more than 5% or 10% or whatever (varies by test).

 I would '''love''' it if I could get a `nofib-analyse` style comparison of
 these benchmarks, comparing the compiler perf before and after some patch
 I've made.

 At the moment I simply can't do this comparison in a time-effective way.

 If we could generate a log-file in the right format, `nofib-analyse` might
 already do the job.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15435>
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