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Posted (edited)

Can you try the attached version with the following added to the [General] section of your FSUIPC7.ini file:
    NumberOfPumps=0

This should prevent all simvars from the new/modern fuel system from being requested, and so stop the console log messages: FSUIPC7.exe

Note that this is only a build to test to see if it is indeed these console messages that are causing the issue.

If you still get micro-stutters, please let me know if this is aircraft specific all for all aircraft (i.e. try various aircraft), and if aircraft specific please let me know what aircraft you are using.
Also, if you have changed the LvarUpdateFrequency in the FSUIPC_WASM.ini from its default of 6Hz, please change back to the default to see if that improves matters.

Thanks,

John

Edited by John Dowson
Corrected - spaces removed from ini parameter name
Posted (edited)

i just found this today myself, seems to work great! i didnt add the spaces or change the exe. still seemed to do the trick, will switch now and check it out

THX!!!

 

https://youtu.be/SvBH0SAZDbA

 

!!UPDATE!! with the new .exe and change to the .ini, the error is gone now!! it may be the best its ever ran!!!

 

Edited by Coupe X
Posted
6 hours ago, John Dowson said:

Can you try the attached version with the following added to the [General] section of your FSUIPC7.ini file:
    Number Of Pumps=0

This should prevent all simvars from the new/modern fuel system from being requested, and so stop the console log messages: FSUIPC7.exe

Note that this is only a build to test to see if it is indeed these console messages that are causing the issue.

If you still get micro-stutters, please let me know if this is aircraft specific all for all aircraft (i.e. try various aircraft), and if aircraft specific please let me know what aircraft you are using.
Also, if you have changed the LvarUpdateFrequency in the FSUIPC_WASM.ini from its default of 6Hz, please change back to the default to see if that improves matters.

Thanks,

John

Hi John, just tried v7.3.1.8 and it's working well for me with the PMDG 737, no console fuel pump triggered anymore. Just on note, the Number of Pumps=0 only worked without the spaces for me. NumberOfPumps=0  Thanks very much for the quick fix

Posted
11 hours ago, Cuantreau said:

Just on note, the Number of Pumps=0 only worked without the spaces for me. NumberOfPumps=0  Thanks very much for the quick fix

Yes - don't know how that happened (cut and paste or auto-correct...) - I gave corrected that now, thanks.

John

Posted (edited)

i have tried this in atleast 10+ different planes, newest fsuipc7, no other ini changes, no wasm, everything seems great now!!

737, honda, longitude, crj, 172, a320's, and many more, no issues. 

i cant recall all the planes its happened in (a lot!), ive had this issue since 

 

 

i changed to pumps to 0 way back then, but never replied to the post. it fixed the stutters for the most part. i never updated fsuipc until now and i assume it reverted the ini change.  im glad it seems solved finally!

 

 

 

Edited by Coupe X
Posted
2 hours ago, Coupe X said:

im glad it seems solved finally!

Well, its not finally solved - this is just an interim fix that removes the request of simvars from the new fuel system. I will look into a proper fix so that these simvars are requested only when the new fuel system is actually being used....

John

  • Like 1
Posted
On 3/2/2023 at 9:44 AM, John Dowson said:

Well, its not finally solved - this is just an interim fix that removes the request of simvars from the new fuel system. I will look into a proper fix so that these simvars are requested only when the new fuel system is actually being used....

John

Hi. I changed the INI file and tested your new .EXE file with latest SU12 beta and ProSim B38M. It removed a lot of micro stutter I had for this acft too.

Posted

Can you please try the latest FSUIPC7 beta (which includes a WASM and WAPI update), v7.3.18c, with the SU12 beta, available with a full installer from here:

Any issues with the SU12beta can be reported here or in the Announcements post.

Thanks,

John

Posted
4 hours ago, John Dowson said:

Can you please try the latest FSUIPC7 beta (which includes a WASM and WAPI update), v7.3.18c, with the SU12 beta, available with a full installer from here:

Any issues with the SU12beta can be reported here or in the Announcements post.

Thanks,

John

Hi John, is this only for SU12 beta? Thx

Posted
4 hours ago, Markus Hermans said:

I updated to the newest beta of FSUIPC but i am still seeing that spikes at CPU rendering time with su12 beta.

When and how often are you seeing these spokes (not sure what you mean by "CPU rendering time")?

You can try turning-off the lvar-scanning feature by setting LvarScanFrequency=0 in your FSUIPC_WASM.ini to see if this is the cause, although that should only run at a max of twice per second in the default configuration.

Posted

I have still not had time to re-organise my hard disks to install the SU12 beta - I will do this when I get time. I will check the performance in the released version.
Maybe try with the WASM disabled to see if this is a WASM or FSUIPC issue. Temporarily remove the WASM from your community folder and then see that sort of FPS drop you see when FSUIPC7 is running.

Posted

I moved the folder out of community and i am still seeing some spikes but the stuttering when panning around disappeared, but i still see less frames like in the screenshot above with fsuipc enabled or disabled

Posted

Do you notice this regardless of the aircraft being used, or only for specific aircraft (e.g. for complex aircraft/airliners or 3rd-party add-ons)? 

I have done some tests with the current MSFS release 1.30.13.0 and the latest FSUIPC7 beta with various aircraft (including the PMDG 737) and see no noticeable drop in FPS (with WASM also installed and running). If there is a performance issue introduced in the SU12 beta then this must be addressed by MSFS/Asobo - I don't see what I can do about it here. I hope they fix this in another beta release, or before its released officially, otherwise I will raise this with Asobo once released.

If there is an updated SDK for SU12, I will rebuild FSUIPC7 and update for this once released - but I doubt this has anything to do with any performance issues.

Posted

@Markus Hermans Now SU12 has been released I have re-tested with a version of FSUIPC7 (and WASM) that has been rebuilt against the latest SDK (0.21.0.0) and still see no drop in FPS. I will release this updated version, 7.3.19, tomorrow - can you please test with thus and let me know if you still see a frame rate drop.

John

Posted
1 hour ago, John Dowson said:

@Markus Hermans Now SU12 has been released I have re-tested with a version of FSUIPC7 (and WASM) that has been rebuilt against the latest SDK (0.21.0.0) and still see no drop in FPS. I will release this updated version, 7.3.19, tomorrow - can you please test with thus and let me know if you still see a frame rate drop.

John

Since SU12 beta and also now in the SU12 live version i have the following issue with FSUIPC:
At start and during flight, everything is fine. But after landing (PMDG 738), i ALWAYS get microstutters and bad FPS. As soon as i close FSUIPC, the performance is back to normal and the Stutters are gone.

This is 100% reproducable!

Let me know what you need from me to help get this sorted. I use the last FSUIPC version and i dont have anything programmed trough FSUIPC, i only use it for my VA Tracker. But the issue even exists when FSUIPC is just chilling in the background.

Posted

So you only get a drop in FPS after landing? This sounds very strange as nothing special is done on landing...
What happens if you restart FSUIPC7 after the stutters have gone - do they return? Is it ok after landing without using FSUIPC7?

Only with the PMDG 738 or also with other aircraft?

Can you please try with 7.3.19, just released.

Posted
1 hour ago, John Dowson said:

So you only get a drop in FPS after landing? This sounds very strange as nothing special is done on landing...
What happens if you restart FSUIPC7 after the stutters have gone - do they return? Is it ok after landing without using FSUIPC7?

Only with the PMDG 738 or also with other aircraft?

Can you please try with 7.3.19, just released.

Hi John

Yeah, it is indeed strange, makes no sense to me either...
I will happily try the new version tonight.

Thank you for your work and effort, very appreciated 🙂

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