Thanks Marcus. I'm getting latency in the range of seconds, and this was the only way I could explain it..
Is this mentioned anywhere in the documentation? How can I learn more about the scheduler operation? Thanks, On Tue, 25 Apr 2023, 17:23 Marcus D. Leech, <patchvonbr...@gmail.com> wrote: > On 25/04/2023 02:23, Ahmad Oweis wrote: > > Hi all, > > I'm investigating the factors behind the latency in my simple GRC flow > graph, I have a theory and I'd be grateful if someone can confirm it or > refute it. > > Say I have a simple flow graph consisting of a file source connected to a > hardware sink. > > My understanding: when I run the flow graph, the source starts producing > samples and storing them in the buffer. In the meantime, the hardware sink > is initializing (loading FPGA, etc.). Once the hardware is ready to > transmit samples, it starts consuming from the buffer. > This initialization delay adds to the overall system latency. Is this > correct? or does the source only start producing samples after the hardware > is initialized? > > If my understanding is correct, how can we avoid this delay? Is there a > way to ask the file source to wait until the hardware is ready and then > start sending samples? > > Thank you > -- > Ahmad Oweis > > Gnu Radio doesn't start running the graph until all the blocks in it are > initialized--that includes hardware source/sinks. > >
