Jens Axboe wrote:
On Wed, Jan 25 2006, Hans Reiser wrote:
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
Just curious - does your crypt plugin reside in user space?
Nop.
This is just wrappers for linux crypto api, zlib, etc..
so user time is zero and not interesting.
Edward.
