Re: [Discuss-gnuradio] Intel Atom Processor

On Oct 8, 2010, at 1:46 PM, Sharif Shaher wrote:

> 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.

I'd guess you'll first run into disk throughput issues. If you solve those, there still might not be enough overall system (CPU, chipset, memory, I/O) throughput. I don't have any intuition for what the limits might be. How long is your sampling run? Will all the data fit in RAM?

-Marc

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