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1993-12-21
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Tests of ABackup v3.00 made 14-May-93 on a A3000 (68030 at 25 Mhz) with 2Mb of CHIP
memory and 8Mb of FAST memory.
Backup of 1765959 bytes (53 files) with 3 large text files, 3 large executable files
3 large IFF pictures, 22 small text files and 22 small executable files.
Source directory on a 88 Mb SyQuest cartridge.
Destination 880Kb floppy disks (two disk drives, cyclic backup).
1.Test without the child task (NOTASK argument)
Compression Time Comp. rate
None 3:21 -
Internal 4:06 28%
BLZW (xpk) 2:31 28%
HUFF (xpk) 2:49 20%
IMPL (xpk) 4:06 38%
NUKE (xpk) 2:35 38%
RDCN (xpk) 2:33 26%
SHRI (xpk) 6:49 45%
Crunch 3:17 31% (PowerPacker 3.0a)
Lha v1.38 3:28 42%
2.Test with the child task, and various buffer sizes (BUFSIZE argument)
Bufsize NUKE Lha
default 2:17 3:07
32Kb 2:12 3:02
64Kb 2:04 2:54
128Kb 1:54 2:26
256Kb 1:53 2:26
512Kb 1:46 2:06
1024Kb 1:46 2:06
Max speed increase vs NOTASK: 31.6% 39.4%
vs ABackup 2.43: 25.3% 34.3%