P3DCoreAffinity new v5.3 settings

Any issues, problems or troubleshooting topics related to the Prepar3D client application.
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kevinfirth
Posts: 191
Joined: Wed May 15, 2013 11:24 am
Location: Kidderminster, UK
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P3DCoreAffinity new v5.3 settings

Post by kevinfirth »

This is with an i9 10850K@5Ghz
NGXu, default airport, default weather, no traffic, same settings, not GPu limited, vsync off, unlimited

So, I tried:

[JOBSCHEDULER]
AffinityMask=349525
P3DCoreAffinityMask=21845
MainThreadScheduler=0
RenderThreadScheduler=2
FrameWorkerThreadScheduler=4

52fps

https://ibb.co/8Pqspq8

Then:

[JOBSCHEDULER]
AffinityMask=21845
P3DCoreAffinityMask=21845
MainThreadScheduler=0
RenderThreadScheduler=2
FrameWorkerThreadScheduler=4

52fps

https://ibb.co/1RRtspG

I wonder if anyone can help identify where I may not be using these settings correctly please?
bjratchf
Posts: 23
Joined: Mon Dec 01, 2014 8:16 pm

Re: P3DCoreAffinity new v5.3 settings

Post by bjratchf »

Noticed this too... can anyone explain in laymens terms what we should be changing here- I notice P3D always runs at 100% on core 0 (I have an i7 6700k) and am wondering how I balance the load on all cores. Do we change all the values to 255 or just the affinity mask?
ryanair007
Posts: 147
Joined: Mon Jul 08, 2013 10:31 pm
Location: Brussels

Re: P3DCoreAffinity new v5.3 settings

Post by ryanair007 »

bjratchf wrote: Sat Dec 04, 2021 9:29 pm Noticed this too... can anyone explain in laymens terms what we should be changing here- I notice P3D always runs at 100% on core 0 (I have an i7 6700k) and am wondering how I balance the load on all cores. Do we change all the values to 255 or just the affinity mask?
Just delete that section in the p3d.cfg and the sim will use all cpu co.

Regards

Marco
mpni
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Joined: Thu Aug 09, 2018 10:37 am
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Re: P3DCoreAffinity new v5.3 settings

Post by mpni »

Hi
For having the value of the AffinityMask, you can use the Windows Calculator
First select Programmer Mode / BIN
Type as many 1 as there are cores
See DEC for having the result
P3Dv5.3 do it automatically.
Regards
Michel
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