Notice how CPU speed (and number of cpus) completely determines compression performance.
cryptcompress refers to the reiser4 compression plugin, (unix file) refers to the reiser4 non-compressing plugin. Edward Shishkin wrote: > Here are the tests that vs asked for: > Creation (dd) of 20 tarfiles (the original 200M file is in ramfs) > Kernel: 2.6.15-mm4 + current git snapshot of reiser4 > > ------------------------------------------ > > Laputa workstation > Uni Intel Pentium 4 (2.26 GHz) 512M RAM > > ext2: > real 2m, 15s > sys 0m, 14s > > reiser4(unix file) > real 2m, 7s > sys 0m, 23s > > reiser4(cryptcompress, lzo1, 64K) > real 2m, 13s > sys 0m, 11s > ------------------------------------------ > > Belka workstation > Dual Intel Xeon (2.4GHz) 1G RAM > > ext2: > real 2m, 16s > sys 0m, 10s > > reiser4(unix file) > real 2m, 14s > sys 0m, 17s > > reiser4(cryptcompress, lzo1, 64K) > real 1m, 35s > sys 0m, 14s > > > >
