Re: comparing scalar vs vector items

[Marcus Müller]

exactly that. The compiled code is literally the same. A pointer cast 
doesn't "cost" anything.

On 9/23/20 5:28 PM, Marcus D. Leech wrote:
> On 09/23/2020 04:09 AM, Ali G. Dezfuli wrote:
> > Hi all,
> > I'd like to compare two GR blocks in terms of performance (especially 
> > throughput)
> > 1- using scalar items together with "set_output_multiple 
> > <https://www.gnuradio.org/doc/doxygen/classgr_1_1block.html#a63d67fd758b70c6f2d7b7d4edcec53b3> 
> > (int multiple)" at the constructor, and
> > 2- using vector items.
> > regards,
> > AGD
> For the most part, vectors are just a housekeeping convenience. If 
> your block gets scalar items, and it internally treats them as vectors,
>   the cost of "doing stuff with the results" would be the same.