#present_words: 852
  15,150,987,816 bytes allocated in the heap
   2,336,008,112 bytes copied during GC
      19,428,888 bytes maximum residency (393 sample(s))
      18,666,248 bytes maximum slop
              18 MB total memory in use (0 MB lost due to fragmentation)

                                     Tot time (elapsed)  Avg pause  Max pause
  Gen  0      5449 colls,  5449 par   13.991s   2.385s     0.0004s    0.0116s
  Gen  1       393 colls,   392 par    2.320s   0.594s     0.0015s    0.0199s

  Parallel GC work balance: 41.03% (serial 0%, perfect 100%)

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

  SPARKS: 56199742 (16656912 converted, 0 overflowed, 0 dud, 10853006 GC'd, 28689824 fizzled)

  INIT    time    0.001s  (  0.005s elapsed)
  MUT     time  217.917s  ( 34.303s elapsed)
  GC      time   16.311s  (  2.979s elapsed)
  EXIT    time    0.000s  (  0.009s elapsed)
  Total   time  234.229s  ( 37.295s elapsed)

  Alloc rate    69,526,326 bytes per MUT second

  Productivity  93.0% of total user, 92.0% of total elapsed

dict-search-exe inputs/large_input_500.txt inputs/1000-english.txt 500 500     234.23s user 11.57s system 653% cpu 37.599 total
