Re: [Discuss-gnuradio] Intel Atom Processor

On 10/08/2010 02:46 PM, Sharif Shaher wrote:
> Hello,
>
> We are thinking of using a 1.6GHz Intel Atom processor based PC with
> multiple gigabit Ethernet ports
> to collect data from multiple USPR2s and save that data off to disk.
> We are hoping to be able to
> use decimation rates as low as 4 for captures of shorts (16bit I and
> 16 bit Q). We will be doing
> nothing else on this PC, just capturing data. So it will host ubuntu
> and gnuradio. Does anyone have
> any idea if there is a throughput limit that we might be up against,
> say for 2 USRP2s, say 4 USRP2s.
> Has anyone successfully run gnuradio on an Atom?
>
> Thanks,
> Sharif
>
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>
I run Gnu Radio on an Atom D510 system for narrow-bandwidth radiometry.

No way in heck are you going to be able to run at 25Msps for even a
*single* USRP2, let alone multiple ones.
I tried a 25Msps usrp2_fft.py on my atom D510 system (which is
dual-core at 1.6GHz), and it couldn't keep
up.

--
Marcus Leech
Principal Investigator
Shirleys Bay Radio Astronomy Consortium
http://www.sbrac.org

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