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

[Josh Blum]

On 09/22/2010 07:17 AM, Per Zetterberg wrote:
> Is the receiver buffer size in bytes or samples ?

bytes

Its a direct proxy for SO_REVBUF socket option. 
http://www.boost.org/doc/libs/1_41_0/doc/html/boost_asio/reference/basic_datagram_socket/receive_buffer_size.html

http://msdn.microsoft.com/en-us/library/ms740476%28VS.85%29.aspx

-Josh

> ________________________________________
> From: address@hidden address@hidden on behalf of Josh Blum address@hidden
> Sent: Monday, September 20, 2010 5:07 PM
> To: address@hidden
> Subject: Re: [Discuss-gnuradio] Setting buffer size when using UHD
>
> 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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