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<p>Hi,</p>
<p>I added 0x3d006 and 0x3d007 on a Dedibox XC (<a
class="moz-txt-link-freetext"
href="https://www.online.net/fr/serveur-dedie#perso">https://www.online.net/fr/serveur-dedie#perso</a>)
just a week ago. They offer 1 GBps both directions unmetered (+2,5
Gbps to the internal network) for very little money on an Intel
Atom C2750 (with AES-NI, cpubenchmark.net score: 3929,
single-thread rating: 579) with 16GB of RAM and 1TB of HDD (or
250GB SSD if you manage to grab one of those). Those nodes are
abviously still picking up speed but right now they're already
doing 8.73 and 5.6MB/s after only 8 days with both Tor processes
eating on avg. around 15% of CPU. At 100% load per instance that
would give me approx. 2 x 45 MB/s when running on full speed -
altogether ~720Mbps which would barely be filling the pipe.</p>
<p>So on this particular machine 45MB/s per core (with a 579 points
single-thread rating) should add up to ~13 single-thread points
being 1 MB/s. That may of course vary depending on your CPU
architecture and network but it just may be something to base your
calculations on. Some of my other nodes (0x3d001 and 0x3d002) are
running on an E3-1245 v2 and they both do around 40MB/s,
single-thread score for that CPU is 1996 which would equal a bit
less than 50 points per 1 MB/s. But on those instances it's rather
the pipe that's the limiting factor, I can't push much more than
80MB/s there any direction any time of the day. Well, check the
stats for yourself and do your own calculations: <a
class="moz-txt-link-freetext"
href="https://atlas.torproject.org/#search/0x3d00">https://atlas.torproject.org/#search/0x3d00</a>
(0x3d003 is running on an E3-1230 v2 and 0x3d004 and 005 are an i7
6700K).<br>
</p>
<p><b>tl;dr:</b> On average around 25~30 single-thread points for
your CPU on cpubenchmark.net should give you +/- 1MB/s of
sustainable Tor traffic.<br>
</p>
<pre class="moz-signature" cols="72">----
Andy Weber
<a class="moz-txt-link-abbreviated" href="mailto:andy@0x3d.lu">andy@0x3d.lu</a>
</pre>
<div class="moz-cite-prefix">On 28.03.2017 12:54, Petrusko wrote:<br>
</div>
<blockquote
cite="mid:54258278-c133-e58c-602e-f77c7a50b2ba@riseup.net"
type="cite">
<pre wrap="">Hey Farid,
Have you found an interesting low cost hardware since this last message ?
Sometimes I try to look for it, but there's a lot of little cards like
RPi, Banana... sadly I think it has not enough CPU power to play with a
lot of Tor traffic :s
On the torserver webpage, there's a command line to know if the cpu has
AES-NI acceleration.
cat /proc/cpuinfo | grep aes
For fun, I've tried on a laptop with Intel Core 2 Duo... no result shown
after this command.
So sadly this laptop will not be enough strong to have fun with this
kind of crypto... it's sad because it's not burning a lot of watts!
Farid Joubbi :
</pre>
<blockquote type="cite">
<pre wrap="">OK. I thought from the beginning that my relay running the Banana Pi would be capable of handling more traffic.
I have asked about it before, and got some really good answers.
I still can't completely explain why it does not handle more.
</pre>
</blockquote>
<pre wrap="">_______________________________________________
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</pre>
</blockquote>
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