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Re: [Discuss-gnuradio] Why does general_work return large number?
From: |
Zohair |
Subject: |
Re: [Discuss-gnuradio] Why does general_work return large number? |
Date: |
Thu, 10 Jun 2010 03:27:41 -0700 (PDT) |
OK Eric. from what you've said I can understand that we cannot control
noutput_items. All what we can do is return it from general_work(). It's
solely for coordination issues and the runtime system takes control over it.
Thanks.
Zoh
Eric Blossom wrote:
>
> On Wed, Jun 09, 2010 at 11:57:24AM +0100, Zohair M. Abu Shaban wrote:
>>
>> Hi Eric,
>>
>> I have read what you recommended but still haven't understood what
>> the significance of this number is. I have another block that
>> generates a vector of 4 elements and the noutput_items is almost 1/4
>> the number of first block. Any further help please?
>>
>> Thanks again,
>> Zohair
>
> The numbers are choosen by the GNU Radio runtime system. They may
> vary over time and are dependent on the amount of buffer space
> allocated by the runtime and the rates of production upstream and
> consumption downstream. The values are choosen by a heuristic
> designed to optimized throughput.
>
> If your block is properly written, it will respond appropriately to
> any value of noutput_items.
>
> I'm not sure that I've answered your real question. I suspect that
> you may be somewhat unclear about the nature of the streaming data
> flow model that's used in GNU Radio.
>
> Eric
>
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>
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- [Discuss-gnuradio] Why does general_work return large number?, Zohair M. Abu Shaban, 2010/06/05
- Re: [Discuss-gnuradio] Why does general_work return large number?, Eric Blossom, 2010/06/05
- RE: [Discuss-gnuradio] Why does general_work return large number?, Zohair M. Abu Shaban, 2010/06/09
- Re: [Discuss-gnuradio] Why does general_work return large number?, Eric Blossom, 2010/06/09
- Re: [Discuss-gnuradio] Why does general_work return large number?,
Zohair <=
- Re: [Discuss-gnuradio] Why does general_work return large number?, Zohair, 2010/06/10
- Re: [Discuss-gnuradio] Why does general_work return large number?, Eric Blossom, 2010/06/10
- [Discuss-gnuradio] Gnuradio/Beagleboard modifying flow graph buffer allocation, alfayez, 2010/06/10
- Re: [Discuss-gnuradio] Gnuradio/Beagleboard modifying flow graph buffer allocation, Eric Blossom, 2010/06/11
- Re: [Discuss-gnuradio] Gnuradio/Beagleboard modifying flow graph buffer allocation, Philip Balister, 2010/06/14