From: christian@madez.de
To: shmick@riseup.net
Cc: dm-crypt@saout.de
Subject: Re: [dm-crypt] REQUIRED CIPHERS TEST takes 20 minutes each for aes-related ciphers
Date: Thu, 28 Nov 2013 14:54:20 +0000 [thread overview]
Message-ID: <eb5e2ad199a8a6fd9b47cfbb14e4b43e@madez.de> (raw)
In-Reply-To: <52975371.3050404@riseup.net>
El 2013-11-28 14:30, shmick@riseup.net escribió:
> christian@madez.de:
>> Hello,
>>
>> I just compiled cryptsetup-1.6.2 on a machine with AES-NI. During
>> the
>> compilation there were some tests. The lines of the output when the
>> issue occurred were:
>>
>> REQUIRED CIPHERS TEST
>> # Algorithm | Key | Encryption | Decryption
>> aes-cbc 256b 975.0 MiB/s 2037065.0 MiB/s
>> aes-lrw 384b 103909.0 MiB/s 158691.0 MiB/s
>> aes-xts 512b 1731833.0 MiB/s 1681613.0 MiB/s
>> twofish-cbc 256b 241.3 MiB/s 499.5 MiB/s
>> twofish-lrw 384b 448.6 MiB/s 453.0 MiB/s
>> twofish-xts 512b 497.0 MiB/s 496.0 MiB/s
>> serpent-cbc 256b 108.5 MiB/s 351.3 MiB/s
>> serpent-lrw 384b 333.7 MiB/s 333.0 MiB/s
>> serpent-xts 512b 363.3 MiB/s 341.0 MiB/s
>> blowfish-cbc 256b 129.6 MiB/s 500.5 MiB/s
>> des3_ede-cbc 192b 34.3 MiB/s 35.4 MiB/s
>> cast5-cbc 128b 121.9 MiB/s 474.0 MiB/s
>
> when these tests ran did all cores process or just 1 single core ?
For aes-cbc, aes-lrw and aes-xts just one core was used (and maxed
out).
However, it took orders of magnitudes longer.
> do you know if cryptsetup can take advantage of multi threading on
> multi
> core processors ?
No.
>>
>> The tests for aes-cbc, aes-lrw and aes-xts took very long (nearly
>> one
>> hour for all three combined) on a Intel Core i5-4670K. All other
>> tests
>> were finished in a few seconds.
>>
>> Is this wanted behavior?
>>
>> Best regards,
>> Christian Weinz
>> _______________________________________________
>> dm-crypt mailing list
>> dm-crypt@saout.de
>> http://www.saout.de/mailman/listinfo/dm-crypt
>>
next prev parent reply other threads:[~2013-11-28 14:57 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-28 13:25 [dm-crypt] REQUIRED CIPHERS TEST takes 20 minutes each for aes-related ciphers christian
2013-11-28 14:30 ` shmick
2013-11-28 14:54 ` christian [this message]
2013-11-28 14:58 ` Milan Broz
2013-11-28 14:51 ` Milan Broz
2013-11-28 23:28 ` christian
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