On 21.06.2009, markus reichelt wrote:
> I'm using Serpent myself. With modern hardware the speed penalty of
> that cipher is not the bottleneck of overall performance anymore.
Here's a short benchmarking I did some time ago on a LUKS/dmcrypt
formattet partition, using bonnie++, copying a big file and hdparm:
TWOFISH
Version 1.01d ------Sequential Output------ --Sequential Input- --Random-
-Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks--
Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP
liesel 16016M 59972 30 58753 6 32287 4 74143 46 75045 6 221.5 0
------Sequential Create------ --------Random Create--------
-Create-- --Read--- -Delete-- -Create-- --Read--- -Delete--
files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP
16 5943 15 +++++ +++ 4507 8 6359 15 +++++ +++ 4084 9
liesel,16016M,59972,30,58753,6,32287,4,74143,46,75045,6,221.5,0,16,5943,15,+++++,+++,4507,8,6359,15,+++++,+++,4084,9
/dev/mapper/test:
Timing cached reads: 6858 MB in 2.00 seconds = 3435.99 MB/sec
Timing buffered disk reads: 220 MB in 3.01 seconds = 73.12 MB/sec
liesel:/mnt # dd if=/dev/zero of=deleteme bs=1M count=5000
5000+0 records in
5000+0 records out
5242880000 bytes (5.2 GB) copied, 84.32 s, 62.2 MB/s
-----------------------------------------------------------------------------------------------------------
AES
Version 1.01d ------Sequential Output------ --Sequential Input- --Random-
-Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks--
Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP
liesel 16016M 59964 30 58643 6 32226 4 74152 46 75057 6 219.9 0
------Sequential Create------ --------Random Create--------
-Create-- --Read--- -Delete-- -Create-- --Read--- -Delete--
files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP
16 6147 16 +++++ +++ 4543 9 6483 16 +++++ +++ 4075 9
liesel,16016M,59964,30,58643,6,32226,4,74152,46,75057,6,219.9,0,16,6147,16,+++++,+++,4543,9,6483,16,+++++,+++,4075,9
/dev/mapper/test:
Timing cached reads: 6866 MB in 2.00 seconds = 3440.03 MB/sec
Timing buffered disk reads: 220 MB in 3.01 seconds = 73.02 MB/sec
liesel:/mnt # dd if=/dev/zero of=deleteme bs=1M count=5000
5000+0 records in
5000+0 records out
5242880000 bytes (5.2 GB) copied, 84.0974 s, 62.3 MB/s
-----------------------------------------------------------------------------------------------------------
SERPENT
Version 1.01d ------Sequential Output------ --Sequential Input- --Random-
-Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks--
Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP
liesel 16016M 59753 30 59024 6 33407 4 74051 45 75051 5 213.8 0
------Sequential Create------ --------Random Create--------
-Create-- --Read--- -Delete-- -Create-- --Read--- -Delete--
files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP
16 5818 14 +++++ +++ 4599 9 6128 15 +++++ +++ 4145 10
liesel,16016M,59753,30,59024,6,33407,4,74051,45,75051,5,213.8,0,16,5818,14,+++++,+++,4599,9,6128,15,+++++,+++,4145,10
liesel:/mnt # dd if=/dev/zero of=deleteme bs=1M count=5000
5000+0 records in
5000+0 records out
5242880000 bytes (5.2 GB) copied, 84.4386 s, 62.1 MB/s
/dev/mapper/test:
Timing cached reads: 6844 MB in 2.00 seconds = 3428.41 MB/sec
Timing buffered disk reads: 178 MB in 3.03 seconds = 58.80 MB/sec
-----------------------------------------------------------------------------------------------------------
CAST6
Version 1.01d ------Sequential Output------ --Sequential Input- --Random-
-Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks--
Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP
liesel 16016M 59530 30 58390 6 29779 4 61424 38 64256 5 223.6 0
------Sequential Create------ --------Random Create--------
-Create-- --Read--- -Delete-- -Create-- --Read--- -Delete--
files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP
16 5960 15 +++++ +++ 4650 9 6251 15 +++++ +++ 3993 9
liesel,16016M,59530,30,58390,6,29779,4,61424,38,64256,5,223.6,0,16,5960,15,+++++,+++,4650,9,6251,15,+++++,+++,3993,9
liesel:/mnt # dd if=/dev/zero of=deleteme bs=1M count=5000
5000+0 records in
5000+0 records out
5242880000 bytes (5.2 GB) copied, 83.2459 s, 63.0 MB/s
/dev/mapper/test:
Timing cached reads: 7586 MB in 2.00 seconds = 3801.54 MB/sec
Timing buffered disk reads: 150 MB in 3.00 seconds = 49.97 MB/sec
-----------------------------------------------------------------------------------------------------------
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