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Re: [Discuss-gnuradio] sched is requesting more input data than we can p


From: Marcus Müller
Subject: Re: [Discuss-gnuradio] sched is requesting more input data than we can provide
Date: Thu, 23 Jan 2014 22:12:30 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.2.0

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Hi Miklos,

the problem here is xxx:

On 23.01.2014 22:00, Miklos Maroti wrote:
> sched: <xxx> is requesting more input data

what's this xxx? It is requiring 16000 input items at once *at least*
and that's nearly twice the max output size (see
gnuradio-runtime/lib/block_executor.cc), and you're right, that has
something to do with maximum buffer sizes.
However, GNU Radio has algorithms to appropriately set up buffers to
make the items flow. Unless you've configured the top_block
explicitely to have max noutput items < 16000, that should work out
unless there is some architectural quirk in your flowgraph that
actually suggest that it /can't/ run.

So, to help you out, we actually need a little more information.
Most probably an architectural change to xxx or your flowgraph will
solve your problem.

Greetings,
Marcus
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