-S output

gistfile1.txt

  58,497,768,352 bytes allocated in the heap
   2,067,438,528 bytes copied during GC
      31,704,752 bytes maximum residency (270 sample(s))
       5,090,888 bytes maximum slop
              95 MB total memory in use (28 MB lost due to fragmentation)

                                     Tot time (elapsed)  Avg pause  Max pause
  Gen  0     68568 colls,     0 par    3.397s   5.735s     0.0001s    0.0004s
  Gen  1       270 colls,     0 par    0.570s   0.578s     0.0021s    0.0042s

  TASKS: 6 (1 bound, 5 peak workers (5 total), using -N1)

  SPARKS: 0 (0 converted, 0 overflowed, 0 dud, 0 GC'd, 0 fizzled)

  INIT    time    0.000s  (  0.002s elapsed)
  MUT     time   41.984s  ( 83.614s elapsed)
  GC      time    3.966s  (  6.313s elapsed)
  RP      time    0.000s  (  0.000s elapsed)
  PROF    time    0.000s  (  0.000s elapsed)
  EXIT    time    0.001s  (  0.002s elapsed)
  Total   time   45.957s  ( 89.931s elapsed)

  Alloc rate    1,393,350,533 bytes per MUT second

  Productivity  91.4% of total user, 46.7% of total elapsed

gc_alloc_block_sync: 0
whitehole_spin: 0
gen[0].sync: 0
gen[1].sync: 0