Ubuntu 2204 high processor use

[Andrew Cowan]

All,

Just started using this fine program on ubuntu 22.04 which is my RX receiving server.

Mostly using wspr and came across the benefits of SparkSDR as I have a number of RSP's.

Questions has anyone have issues with using a lot of processing power as in 100% the machine is a ryzen7 mini pc.

So as an experiment I ran SparkSDR on windows 11 great very power efficient.

Don't want to use windows 11 and a virtual window for linux if I can help it.

Thanks all

GM0UDL  Andrew

[ahop...@googlemail.com]

Hi Andrew,

I'll look into this, I have not looked at cpu use on linux with RSPs, maybe there is a driver issue. I have noticed linux and mac versions use a little more cpu than windows and have put this down to the Avalonia gui library I use (and have hoped it would get improved upstream) but your case sound more severe.  I won't be near a linux machine for a week or so.  Using the minimum radio bandwidth/sample rate needed can help a bit, I also have something in the pipeline to reduce cpu with multiple RSP high bandwidth receivers.

73 Alan M0NNB 

[Andrew Cowan]

Alan

Spot on I have vnc loaded (if that helps) on the pc and version 22.04 was chosen for compatibility with Wsprdaemon which I run with the Kiwi's.

Running the same machine in windows just now testing with 2 rsp's duo and dx sits around SparkSDR 3% sdr api around 10%

Anything I can do to minimize cpu is great its going to be my low band rx on the winter 136Khz 475Khz with RSP dx 1.8Mhz and 3.5Mhz with RSP duo.

I just switch between 2 different drives in the bios to chose operating system

Thanks

Andrew GM0UDL

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