[Skimmertalk] Trying to optimize CPU while skimming - More FT8 questions

[Andy KU7T]

I just checked. My Save menu says None as well. Its a bug for sure. I will try to report it too. If more people report it, maybe they do something about it. Its sounds like an easy fix to me.  They just need to want to fix it.

Thanks
Andy
KU7T
________________________________
From: Skimmertalk <skimmertalk-bounces at contesting.com> on behalf of Dave Pascoe <davekm3t at gmail.com>
Sent: Thursday, July 11, 2019 7:29 PM
To: SkimmerTalk Reflector
Subject: Re: [Skimmertalk] Trying to optimize CPU while skimming - More FT8 questions

I have "None" set on the Save menu on all of mine and they still save 10's of GB's worth of WAV files in that ...save directory. I did some research on this and it appears to be a bug that has been reported before. The WSJT-X team doesn't seem to have an external-facing bug tracker but I did some searches on their mailing list archive and it seems there is never a good answer as to why this seems broken. The only clue seems to be one of the developers (or at least he seemed to be) shrugging it off as something that might be happening if WSJT-X exits abnormally. It can't just be that, if that is true. I have far too many of those files...in fact it consumed all the drive space on one of my systems because I wasn't paying attention. I only sort of remembered about the WAV files when I went searching for the greedy consumer of drive space.

I can't find a place to report this bug so I guess I will email K1JT and see what he says. But I do believe it is a bug.

Dave KM3T



On Thu, Jul 11, 2019 at 8:11 PM W3OA <w3oa at roadrunner.com<mailto:w3oa at roadrunner.com>> wrote:
Hi Andy -

Check your setting on the WSJT-X "Save" menu.  If it's not "None" WSJT-X
will be saving a lot of audio files.

73 - Dick, W3OA


Subject: [Skimmertalk] Trying to optimize CPU while skimming - More FT8
questions

From: Andy KU7T <ku7t at ku7t.org<mailto:ku7t at ku7t.org>>
Date: 7/11/2019, 6:36 PM
To: 'SkimmerTalk Reflector' <skimmertalk at contesting.com<mailto:skimmertalk at contesting.com>>

My computer is running pretty heavy and I was taking a closer look in
order to optimize the resources needed by skimming on 8 bands for FT8
and 16 on CW. A couple of things that I do not understand:

Why are there 1 GB of data collected in WAV files by the WSJT-X
instances (see screen shot at https://photos.app.goo.gl/8tvXLn5JSWEoizWm8)?


And each FT8 band causes 3 processes to run:
Wsjt-X.exe                     1 - 2 % CPU
jt9.exe                            1 % with spike at 20%, presumably
when decoding happens?
cwsl_ssbwave.exe       1 - 3 % CPU

Is that adequate? Seems pretty power hungry. Is there anything that can
be optimized?  Remember, I am running CW Skimmer as well, which also
need 10 - 20 % of CPU.


I am running the computer with the Performance power profile.
Would it help to optimize for background services or foreground apps?

Thanks
Andy
KU7T
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