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DateWed, 25 Jan 2006 10:59:11 -0800
FromHans Reiser <>
Subjectrandom minor benchmark: Re: Copy 20 tarfiles: ext2 vs (reiser4, unixfile) vs (reiser4,cryptcompress)
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
>
>
>
>

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