True
      90,890,840 bytes allocated in the heap
      63,445,264 bytes copied during GC
      15,134,480 bytes maximum residency (4 sample(s))
         572,464 bytes maximum slop
              14 MB total memory in use (0 MB lost due to fragmentation)

                                     Tot time (elapsed)  Avg pause  Max pause
  Gen  0        52 colls,    52 par    0.134s   0.041s     0.0008s    0.0043s
  Gen  1         4 colls,     3 par    0.033s   0.023s     0.0058s    0.0081s

  Parallel GC work balance: 27.63% (serial 0%, perfect 100%)

  TASKS: 6 (1 bound, 5 peak workers (5 total), using -N2)

  SPARKS: 112683 (107256 converted, 0 overflowed, 0 dud, 988 GC'd, 4439 fizzled)

  INIT    time    0.001s  (  0.010s elapsed)
  MUT     time   32.018s  ( 16.089s elapsed)
  GC      time    0.167s  (  0.064s elapsed)
  EXIT    time    0.003s  (  0.010s elapsed)
  Total   time   32.190s  ( 16.173s elapsed)

  Alloc rate    2,838,703 bytes per MUT second

  Productivity  99.5% of total user, 99.5% of total elapsed

word-search-exe inputs/large_input_500.txt 500 500 "haskell" +RTS -N2 -s -ls  32.19s user 0.08s system 199% cpu 16.197 total
