[hpsdr] O/J Power SDR CPU usage

Philip Covington p.covington at gmail.com
Mon Jun 25 15:03:38 PDT 2007


On 6/25/07, Al <K0VM at arrl.net> wrote:
> ***** High Performance Software Defined Radio Discussion List *****
>
> I have noted that when using Power SDR/ SDR-1000/ Ozy-Janus that my CPU
> runs at bout 30-40 %..
> With Power SDR/SDR-1000/D44-parallel port ( or USB/parallel cable ) that
> my CPU runs about 5-10 %..
> Same Power SDR version (1.6.3 svn 701) , sample rate 48k, buffers(1024)..
>
> Is the increased CPU load due to overhead in the USB handling of the
> audio streams ??
>
> AL, K0VM

I believe this is the big downside to mixing control data in with the
datastream.

Phil N8VB

 1182809018.0


More information about the Hpsdr mailing list