True
      88,479,904 bytes allocated in the heap
      71,472,792 bytes copied during GC
      15,678,904 bytes maximum residency (5 sample(s))
      19,540,040 bytes maximum slop
              14 MB total memory in use (0 MB lost due to fragmentation)

                                     Tot time (elapsed)  Avg pause  Max pause
  Gen  0        42 colls,    42 par    0.182s   0.043s     0.0010s    0.0048s
  Gen  1         5 colls,     4 par    0.149s   0.048s     0.0096s    0.0152s

  Parallel GC work balance: 13.48% (serial 0%, perfect 100%)

  TASKS: 16 (1 bound, 15 peak workers (15 total), using -N7)

  SPARKS: 112683 (111673 converted, 0 overflowed, 0 dud, 921 GC'd, 89 fizzled)

  INIT    time    0.002s  (  0.016s elapsed)
  MUT     time   31.249s  (  4.758s elapsed)
  GC      time    0.331s  (  0.092s elapsed)
  EXIT    time    0.029s  (  0.013s elapsed)
  Total   time   31.611s  (  4.879s elapsed)

  Alloc rate    2,831,491 bytes per MUT second

  Productivity  98.9% of total user, 97.5% of total elapsed

word-search-exe inputs/large_input_500.txt 500 500 "haskell" +RTS -N7 -s -ls  31.62s user 0.49s system 653% cpu 4.910 total
