Hi

I am finding 2.2.1 almost unusable on a crowded band with a Pi4 4gb running Raspbian Buster.

I have Decode set to fast.
Start of cycle 21:46:00 (:00)
about 21:46:13 decodes start scrolling for about 2 seconds
about 21:46:16  more decodes will show up with time of :00
these decodes (:00)  will continue until 21:46:28 or even later
This results in many decodes scrolling by that are actually from the previous cycle.

Some observations.
With 2.2.1 setting Decode to Normal or Deep does not make a huge difference while on the 2.1.2 the difference was very noticeable.

On 2.2.1 with decode set to fast on a crowded band at the end of the cycle decoding was much faster and all decodes would start displaying about a second before the end of the cycle and be finished before the end of the first second of the next cycle. ie :00 decode scroll between :14 and :00. Decodes would happen very fast.
With 2.1.2 I could run 3 instances of WSJT-X without issue.

With 2.1.2 top shows wsjtx cpu ~5% mem 3%
With 2.2.2 top shows wsjtx cpu ~10% mem ~3%
2.2.2 also show jt9 running between 15 and 60%

Thanks for all the great work and just ask if I can supply more details.

73
Glenn VE9GJ




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