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Re: [Discuss-gnuradio] Re: Flowgraph slows down and hangs when using ben

From: Tom Rondeau
Subject: Re: [Discuss-gnuradio] Re: Flowgraph slows down and hangs when using benchmark_tx with a custom block
Date: Mon, 15 Nov 2010 12:00:46 -0800

On Mon, Nov 15, 2010 at 11:43 AM, John Andrews <address@hidden> wrote:
> On anotherĀ  note I use 'gr_block' to build this custom block
> On Mon, Nov 15, 2010 at 11:37 AM, John Andrews <address@hidden> wrote:
>> Hi,
>> I have a modified dbpsk.py in which I use a custom block after the
>> self.diffenc (differential encoder block). This custom C++ block outputs
>> 1000 output_items of size 'gr_sizeof_char' for each input_item of size
>> 'gr_sizeof_char'. I then use benchmark_tx.py to test the functioning of the
>> modified dbpsk.py and upon doing so the flowgraph slows down incredibly.
>> What can I do to speed up the process?
>> DiffEnc --> Custom Block --> Chunks2Symbols
>> ( n ouputs) --> (n * 1000 outputs) --> (n *1000 outputs)
>> Thanks

You're really going to have to provide a lot more information about
the block you've created. Posting the general_work function would be


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