Re: [Discuss-gnuradio] Maximum input items consumed on each input stream

[CEL]

Hi Ron,

just because I think this might be interesting to people dealing with
really high rates: 
The maximum size is typically limited by the size of mmap'able memory
that you can allocate; that depends on the circular buffer factory
used:
For the posix shared memory thing, I don't think anything is stopping
you from using "memory space size" order amounts of buffer.
For anonymous file-backed mmap'ed buffers, I'd expect that we haven't
addressed the possibility of using more than 32 bit addresses, so
somewhere around 2 GB you'd find your upper limit.

Best regards,
Marcus

On Fri, 2019-08-30 at 06:20 -0700, Ron Economos wrote:
> Just to put a number on this question, the DVB-T2 transmitter uses up to 16 
> Megabyte buffers between blocks. I'm not sure what the absolute maximum is, 
> but 16 Megabytes should cover most applications.
> The DVB-T2 blocks use set_output_multiple() in conjunction with forecast() to 
> allocate these large buffers.
> Ron
> On 8/28/19 11:46, Laura Arjona wrote:
> > Hello GNURadio community,
> > 
> > Does anyone know what is the maximum number of input items that an Out Of 
> > Tree block can consume on each input stream?
> > 
> > consume_each(consumed) --> what is the maximum value that the variable 
> > consumed can take?
> > 
> > Thank you very much.
> > 
> > 
> > -- 
> > Laura Arjona 
> > Washington Research Foundation Innovation Postdoctoral Fellow in 
> > Neuroengineering
> > 
> > Paul G. Allen School of Computer Science & Engineering
> > 185 E Stevens Way NE
> > University of Washington
> > Seattle, WA 98195-2350
> > 
> > 
> > _______________________________________________
> > Discuss-gnuradio mailing list
> > address@hidden
> > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
> 
> _______________________________________________
> Discuss-gnuradio mailing list
> address@hidden
> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio

smime.p7s
Description: S/MIME cryptographic signature