Re: [Discuss-gnuradio] saving raw data after correct frame reception

[Activecat]

On Thu, May 15, 2014 at 3:09 PM, Marcus Müller <address@hidden> wrote:

Hi,

sorry I didn't mention earlier:

>Unnecessary historical value increases CPU utilization.

Is not inherently true, GNU Radio only ensures that buffer is not being freed up for overwriting later.

So actually, if you're really interested in but a few hundred historical samples, using set_history() is the way to go, as far as I can see.

If, on the other hand, you try to get a history of several thousand samples, this might exceed the actual buffer size or reduce the free space for the source so that efficient "large sample chunks at once" behaviour is no longer possible, and that might hit your CPU in the end.

Greetings,
Marcus

Thank you for highlighting this to me.