Quick test with some of the fastest compressors currently available:

Test file: "ENWIK8" 95.3 MB (100,000,000 bytes)


QuickLZ v0.9 (2) > 54.3 MB (56,946,157 bytes)

Kernel Time = 0.984 = 00:00:00.984 = 43%
User Time = 1.281 = 00:00:01.281 = 56%
Process Time = 2.265 = 00:00:02.265 = 99%
Global Time = 2.266 = 00:00:02.266 = 100%


THOR v0.93a (ef) > 52.5 MB (55,063,944 bytes)

FILES: 1
SIZE: 100000000 bytes
COMPRESSED: 55063944 bytes
RATIO: 55.06% 4.405 bpB
TIME: 3sec 78msec
SPEED: 30.98 MB/sec

Kernel Time = 0.671 = 00:00:00.671 = 21%
User Time = 2.265 = 00:00:02.265 = 73%
Process Time = 2.937 = 00:00:02.937 = 94%
Global Time = 3.093 = 00:00:03.093 = 100%


LZPX v1.2 > 71.0 MB (74,506,531 bytes)

Kernel Time = 1.000 = 00:00:01.000 = 27%
User Time = 2.359 = 00:00:02.359 = 65%
Process Time = 3.359 = 00:00:03.359 = 92%
Global Time = 3.625 = 00:00:03.625 = 100%


LZOP v1.02rc1 (-1) > 50.9 MB (53,437,564 bytes)

Kernel Time = 0.906 = 00:00:00.906 = 23%
User Time = 2.734 = 00:00:02.734 = 71%
Process Time = 3.640 = 00:00:03.640 = 94%
Global Time = 3.844 = 00:00:03.844 = 100%


GZIP v1.3.5 (-1) > 40.3 MB (42,265,732 bytes)

Kernel Time = 0.656 = 00:00:00.656 = 7%
User Time = 7.562 = 00:00:07.562 = 90%
Process Time = 8.218 = 00:00:08.218 = 98%
Global Time = 8.344 = 00:00:08.344 = 100%


PKZIP v2.50 (-fast) > 36.2 MB (37,989,438 bytes)

Kernel Time = 0.859 = 00:00:00.859 = 8%
User Time = 8.468 = 00:00:08.468 = 87%
Process Time = 9.328 = 00:00:09.328 = 96%
Global Time = 9.703 = 00:00:09.703 = 100%


DZIP v2.9 (-1) > 40.3 MB (42,298,825 bytes)

Kernel Time = 0.843 = 00:00:00.843 = 8%
User Time = 8.843 = 00:00:08.843 = 89%
Process Time = 9.687 = 00:00:09.687 = 97%
Global Time = 9.906 = 00:00:09.906 = 100%