$ /usr/bin/time -f "\t%E real,\t%U user,\t%S sys,\t%M memory" ./phda compressed_enwik8 enwik8.out
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110
Done in 19842.174 seconds
6:20:14 real, 18501.86 user, 1341.45 sys, 1041476 memory
$ md5sum enwik8.out
a1fa5ffddb56f4953e226637dabbb36a enwik8.out