False
     175,497,248 bytes allocated in the heap
     118,682,656 bytes copied during GC
      20,078,488 bytes maximum residency (7 sample(s))
      20,122,480 bytes maximum slop
              19 MB total memory in use (0 MB lost due to fragmentation)

                                     Tot time (elapsed)  Avg pause  Max pause
  Gen  0        82 colls,    82 par    0.256s   0.095s     0.0012s    0.0104s
  Gen  1         7 colls,     6 par    0.236s   0.084s     0.0119s    0.0160s

  Parallel GC work balance: 12.60% (serial 0%, perfect 100%)

  TASKS: 18 (1 bound, 17 peak workers (17 total), using -N8)

  SPARKS: 250000 (249735 converted, 0 overflowed, 0 dud, 0 GC'd, 265 fizzled)

  INIT    time    0.002s  (  0.054s elapsed)
  MUT     time  196.032s  ( 29.162s elapsed)
  GC      time    0.492s  (  0.179s elapsed)
  EXIT    time    0.001s  (  0.010s elapsed)
  Total   time  196.527s  ( 29.405s elapsed)

  Alloc rate    895,248 bytes per MUT second

  Productivity  99.7% of total user, 99.2% of total elapsed

word-search-exe inputs/large_input_500.txt 500 500 "gingera" +RTS -N8 -s -ls  196.53s user 2.05s system 674% cpu 29.435 total
