On Mon, 18 Aug 2008, Chris Mason wrote:
> On Sat, 2008-08-16 at 22:26 +0300, Szabolcs Szakacsits wrote:
> >
> > We tried compilebench (-i 30 -r 0) just for fun using kernel 2.6.26,
> > freshly formatted partition, with defaults. Results:
> >
> > MB/s Runtime (s)
> > ----- -----------
> > ext3 13.24 877
> > btrfs 12.33 793
>
> Thanks for running things.
>
> The code in the btrfs-unstable tree has all my performance fixes.
> You'll need it to get good results.
The numbers are indeed much better:
MB/s Runtime (s)
----- -----------
btrfs-unstable 17.09 572
The disk is capable of 40+ MB/s however the test partition was one of the
last ones and as I figured it out now, it can do only 26 MB/sec. Btrfs bulk
write easily sustains it. The write speed was 21 MB/s during the benchmark,
so btrfs is the closest to the possible best write speed in the test
environment.
Szaka
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