Re: [Discuss-gnuradio] how to pass a large number of items between blocks?

[Martin Braun]

On 13.05.2014 19:27, Mostafa Alizadeh wrote:
> Hi,
>
> I recently encountered a problem with the large number of items. I wanna
> pass about 75000 items from one block to the another. I thought that I
> could do this with setting the min of output items in the constructor of
> the block but I got the following error by runtime:
>
> thread[thread-per-block[1]: <block crc (1)>]: Buffer too small for
> min_noutput_items
>
> I searched around but I couldn't find a cogent response. please help me!

You could use your own version of tagged streams to indicate 
boundaries... regular tagged stream blocks also suffer from buffer 
limitations.

That said, 75000 items doesn't seem all that large. What's your item 
size, is it sizeof(gr_complex)? Did you set your kernel.shmmax = 2147483648?

M