[Haskell-cafe] Meaning abbreviations stat file GHC

Ron iampure at gmail.com
Sat Jan 13 17:11:41 EST 2007


I made a profile[1] of a test program:
Where can I find documentation for the meaning of everything mentioned
below? Or alternatively, can anyone explain them?

Where can I see the effect of using the -xt option in this profile?


/Main +RTS -p -s -xt -hc
1,372,408,024 bytes allocated in the heap
121,255,600 bytes copied during GC (scavenged)
  6,584,692 bytes copied during GC (not scavenged)
  2,768,896 bytes maximum residency (68 sample(s))

       2649 collections in generation 0 (  1.11s)
         68 collections in generation 1 (  0.49s)

          6 Mb total memory in use

  INIT  time    0.00s  (  0.00s elapsed)
  MUT   time    5.97s  (  6.63s elapsed)
  GC    time    1.60s  (  1.88s elapsed)
  RP    time    0.00s  (  0.00s elapsed)
  PROF  time    0.19s  (  0.20s elapsed)
  EXIT  time    0.00s  (  0.00s elapsed)
  Total time    7.76s  (  8.71s elapsed)

  %GC time      20.6%  (21.5% elapsed)

  Alloc rate    229,946,873 bytes per MUT second

  Productivity  76.9% of total user, 68.5% of total elapsed


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