Hi Michael,
On 2013-11-06 11:37, Michael Schuh wrote:
i have serval different Systems running,
including an old 3GHz Intel Pentium D-CPU with 2GBytes ECC Memory:
4 Nic, throughput max (so far): 115 MBytes/s at 20k irqs (no polling
enabled, no special tweaking)
1 Nic is Broadcom, 1 Nic is Intel Pro1000 Desktop Adapter, the other
two Nic are an Intel Pro 1000 Dual Port Server Adapter.
Memory is a bit short in this system, but it runs fine.
Thank you for this interesting insight with the Pentium-D. As far as I
figure, you are having full gigabit throughput between two interfaces
with it?! That is exactly what I want to have, too and I am happy to
learn that it is possible even with "older" dual cores.
others Systems p.e. run with Core2Duo 2,66GHz (E7300) another one with
a Pentium 2,9GHz (G2020)
the last one i wouldn't recommend for high throughput and low latency.
the reaction times and the latency rises up fast
if the throughput rises or if i add some VPN-Tunnels( AES-256).
Your comment about the G2020 is interesting, cince A) that is the CPU
that I was planning to go for (due to it's ECC support) and B) I can't
understand why it performs worse, than the other CPUs, especially the
much older Pentium D.
Here is the comparison: http://ark.intel.com/compare/71070,36463,27518,27517
Could that performance ditch / latency sensivity be due to it's
https://en.wikipedia.org/wiki/Smart_Cache ? I do not see any other
difference than that.
so i would recommend also the Corei5, the core i3 IMO comes close to a
Pentium CPU.
imself keep the Celeron CPU's far away from me. except for small
embedded systems in the lower range.
Corei7 or Xeon is a way to much for my taste and feeling.
Since I can't go for the i5 with the Supermicro X9/X10 series
motherboards that I want to buy, I will either go for the Xeon - or buy
the Pentium now and upgrade to the Xeon later on, if performance should
turn out to be not enough.
hth.
Yes, thank you for your help so far!
Regards
Thinker Rix
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