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Re: [Discuss-gnuradio] Setting buffer size when using UHD


From: Josh Blum
Subject: Re: [Discuss-gnuradio] Setting buffer size when using UHD
Date: Mon, 20 Sep 2010 08:07:51 -0700
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.12) Gecko/20100915 Thunderbird/3.0.8

The buffer size setting is used across all motherboards in the mimo setup. So, if specified, its only specified once: http://www.ettus.com/uhd_docs/manual/html/usrp2.html#resize-the-send-and-receive-buffers

If this is linux, I recommend setting sysctl and letting UHD automatically pick the size.

sudo sysctl -w net.core.rmem_max=50000000

-Josh

On 09/20/2010 03:36 AM, Per Zetterberg wrote:
Hi All,

How do I set the buffer size when using uhd::usrp::mimo_usrp ?

BR/
Per
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