Messages in this thread | | | Date | Thu, 26 Jan 2006 21:17:09 +0300 | From | Edward Shishkin <> | Subject | Re: random minor benchmark: Re: Copy 20 tarfiles: ext2 vs (reiser4, unixfile) vs (reiser4,cryptcompress) |
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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.
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