Re: [Discuss-gnuradio] Testing USRP2 on 6-core Phenom II X6 server

Thankyou for this information. It would be useful to have a catalog of
benchmarked systems for reference purposes. Perhaps a wikipage with
this information could be created?

~Jeffrey Lambert

On 6/28/2010 6:16 PM, Marcus D. Leech wrote:
> I took delivery on a server (well, the parts to build a server, which I
> did) about a week ago. I've been
> running tests on it with USRP2.
>
> It's a Gigabyte GA880GM-UD2H motherboard, with 8G of 1333 DDR3 memory,
> and a AMD Phenom II 1090T,
> six-core CPU at 3.2GHz.
>
> I'm running Fedora 12 x86_64, with the latest Gnu Radio GIT.
>
> I was able to run usrp2_fft.py with decim=4 (25Msps!!) after increasing
> the net.core.rmem_max and
> net.core.wmem_max parameters to 500000 each.
>
> With this configuration, usrp2_fft.py consumes about 25% of the
> available CPU, or roughly 1.5 of the 6 CPUs
> of the system.
>
>

--
~Jeffrey Lambert, K1VZX

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