new benchmark btrfs 0.19 vs. ext4

From: Morten P.D. Stevens <[email protected]>
Subject: new benchmark btrfs 0.19 vs. ext4
To: "[email protected]" <[email protected]>
Cc: "[email protected]" <[email protected]>
Date: Monday, July 6, 2009, 8:45 AM
Hi Chris and all btrfs users,
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here is a new benchmark with the newest btrfs version 0.19 vs. ext4. =20
Linux lenny 2.6.31-rc2 #1 SMP Mon Jul 6 11:36:22 CEST 2009 x86_64 GNU/Linux
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lenny:/# btrfsctl -A /dev/sdb
operation complete
Btrfs Btrfs v0.19
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btrfs:
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./compilebench -D /btrfs/compilebench -i 90 -r 150
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run complete:
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=

=3D=3D=3D=3D intial create total runs 90 avg 57.27 MB/s (user 0.44s s=

2.47s)
create total runs 20 avg 30.30 MB/s (user 0.51s sys 1.74s) patch tota=

runs 24 avg 9.98 MB/s (user 0.08s sys 2.17s) compile total runs 23 av=

64.19 MB/s (user 0.08s sys
0.94s)
clean total runs 14 avg 323.74 MB/s (user 0.01s sys 0.38s) read tree=20 total runs 17 avg 18.81 MB/s (user 0.11s sys
3.75s)
read compiled tree total runs 8 avg 25.30 MB/s (user 0.13s sys 4.82s)=

delete tree total runs 14 avg 7.34 seconds (user 0.19s sys 2.49s)
delete compiled tree total runs 6 avg 12.32 seconds (user 0.20s sys=20 2.93s) stat tree total runs 14 avg 3.56 seconds (user 0.14s sys 0.93s)
stat compiled tree total runs 10 avg 4.06 seconds (user 0.14s sys=20 1.04s)
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and ext4:
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./compilebench -D /ext4/compilebench -i 90 -r 150
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run complete:
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=

=3D=3D=3D=3D intial create total runs 90 avg 80.66 MB/s (user 0.44s s=

1.75s)
create total runs 20 avg 34.31 MB/s (user 0.52s sys 1.25s) patch tota=

runs 24 avg 17.42 MB/s (user 0.06s sys 1.44s) compile total runs 23=20 avg 86.51 MB/s (user 0.06s sys
1.10s)
clean total runs 14 avg 1378.57 MB/s (user 0.01s sys
0.15s)
read tree total runs 17 avg 30.97 MB/s (user 0.04s sys 2.83s)
read compiled tree total runs 8 avg 35.61 MB/s (user 0.04s sys 4.33s)=

delete tree total runs 14 avg 1.32 seconds (user 0.10s sys 0.92s)
delete compiled tree total runs 6 avg 1.71 seconds (user 0.11s sys=20 1.06s) stat tree total runs 14 avg 0.93 seconds (user 0.08s sys 0.62s)
stat compiled tree total runs 10 avg 1.09 seconds (user 0.09s sys=20 0.68s)
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and here the old benchmark:
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Quoted 1 line

On Tue, 2009-04-07 at 13:47 +0200, Morten P.D. Stevens

Quoted 3 lines · wrote:

linux 2.6.29.1

Quoted 6 lines

btrfs: (btrfs 0.18)
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./compilebench -D /btrfs/work2 -i 90 -r 150
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run complete:

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=

=3D=3D=3D=3D

Quoted 1 line

intial create total runs 90 avg 45.18 MB/s (user 0.84s

sys 2.89s)

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create total runs 20 avg 13.30 MB/s (user 0.88s sys

2.93s)

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patch total runs 24 avg 5.94 MB/s (user 0.34s sys

2.56s)

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compile total runs 23 avg 37.04 MB/s (user 0.19s sys

1.60s)

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clean total runs 14 avg 71.36 MB/s (user 0.03s sys

0.83s)

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read tree total runs 17 avg 7.02 MB/s (user 0.75s sys

3.26s)

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read compiled tree total runs 8 avg 16.27 MB/s (user

0.86s sys 4.83s)

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delete tree total runs 14 avg 21.51 seconds (user

0.45s sys 4.07s)

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delete compiled tree total runs 6 avg 29.23 seconds

(user 0.57s sys 4.66s)

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stat tree total runs 14 avg 15.99 seconds (user 0.41s

sys 1.31s)

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stat compiled tree total runs 10 avg 19.68 seconds

(user 0.41s sys 1.51s)

Quoted 9 lines

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ext4:
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./compilebench -D /mnt/work2 -i 90 -r 150
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run complete:

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=

=3D=3D=3D=3D

Quoted 1 line

intial create total runs 90 avg 92.42 MB/s (user 0.76s

sys 1.38s)

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create total runs 20 avg 52.06 MB/s (user 0.73s sys

1.26s)

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patch total runs 24 avg 17.28 MB/s (user 0.37s sys

0.96s)

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compile total runs 23 avg 85.64 MB/s (user 0.17s sys

1.05s)

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clean total runs 14 avg 887.53 MB/s (user 0.02s sys

0.11s)

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read tree total runs 17 avg 13.60 MB/s (user 0.79s sys

1.34s)

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read compiled tree total runs 8 avg 24.65 MB/s (user

0.95s sys 2.07s)

Quoted 1 line

delete tree total runs 14 avg 2.26 seconds (user 0.39s

sys 0.78s)

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delete compiled tree total runs 6 avg 2.82 seconds

(user 0.43s sys 0.91s)

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stat tree total runs 14 avg 1.71 seconds (user 0.38s

sys 0.33s)

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stat compiled tree total runs 10 avg 1.99 seconds

(user 0.42s sys 0.33s)
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Hi Brian,

thanks for the chart.

Here are the results visually for all:

http://www2.win-professional.com/images2/btrfs01.png

http://www2.win-professional.com/images2/btrfs02.png