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    SubjectRe: random minor benchmark: Re: Copy 20 tarfiles: ext2 vs (reiser4, unixfile) vs (reiser4,cryptcompress)
    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?

    --
    Jens Axboe

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