[tor-talk] Performance (Was: Re: Tor 0.2.3.14-alpha is out)

[Tor Operator <tor@xxxxxxxxxxxxxxxxxxxxxx>]

Hello,

On Apr 23, 2012, at 9:38 , Roger Dingledine wrote:

> o Major features (performance):
>   - When built to use OpenSSL 1.0.1, and built for an x86 or x86_64
>     instruction set, take advantage of OpenSSL's AESNI, bitsliced, or
>     vectorized AES implementations as appropriate. These can be much,
>     much faster than other AES implementations.

Wow,

i don't have detailed performance data available, but for my middle sized exit node this saves 
about 1/3 of my CPU and a lot of ram !

great work, very impressive! ;)

tor ~ # uname -mpi
i686 Intel(R) Xeon(R) CPU X3330 @ 2.66GHz GenuineIntel
tor ~ # vnstat
Database updated: Wed Apr 25 10:28:20 2012

  eth0 since 08/04/11

         rx:  138.48 TiB      tx:  141.10 TiB      total:  279.58 TiB

  monthly
                    rx      |     tx      |    total    |   avg. rate
    ------------------------+-------------+-------------+---------------
      Mar '12     21.98 TiB |   22.13 TiB |   44.11 TiB |  141.47 Mbit/s
      Apr '12     17.91 TiB |   17.98 TiB |   35.90 TiB |  146.05 Mbit/s
    ------------------------+-------------+-------------+---------------
    estimated     21.99 TiB |   22.08 TiB |   44.07 TiB |

  daily
                    rx      |     tx      |    total    |   avg. rate
    ------------------------+-------------+-------------+---------------
    yesterday    699.18 GiB |  703.69 GiB |    1.37 TiB |  136.21 Mbit/s
        today    269.53 GiB |  271.17 GiB |  540.70 GiB |  120.31 Mbit/s
    ------------------------+-------------+-------------+---------------
    estimated    618.03 GiB |  621.79 GiB |    1.21 TiB |


PS: Thx to the gentoo maintainer for the tor package btw, makes upgrading really easy ;)

Regards,
 Frank
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