Messages in this thread | | | From | Al Boldi <> | Subject | Re: random minor benchmark: Re: Copy 20 tarfiles: ext2 vs (reiser4, unixfile) | Date | Thu, 26 Jan 2006 01:04:47 +0300 |
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Hans Reiser wrote: > Notice how CPU speed (and number of cpus) completely determines > compression performance.
Now, if you could make it dependent on cpu-idle it could be a win all.
Thanks!
-- Al
> > 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
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