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Zimmerbz

P3D Settings question

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All things equal on a decent machine, which of these two P3D settings profile do you think would be more taxing on a system?  I know that every system is different so it is tough to answer but wanted some feedback as to what you all think considering each of these are slightly different and have higher settings in some areas and lower in others.  Thanks!

https://www.rdpresets.com/p3dv4-settings.html#/

https://live-cockpits.weebly.com/settings.html

my specs are:

ASRock Z170 Professional, Intel LGA 1151


Intel 6th Gen Core i7 6700K (4.6GHz Overclock) Quad Core
CPU Cooling: Corsair Hydro Series H60 Liquid Cooling
System Memory: 16GB Kingston DDR4 SDRAM 2400MHz
Graphics Processor: 6GB Nvidia GeForce GTX 1060, PCI Express 3.0
System Power: 750 Watt Corsair RM Series Power Supply
Sound Card: 7.1 High Definition Integrated Audio
Primary Solid State Drive: 500GB Samsung EVO 850 Solid State Drive (SSD)

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Posted (edited)

I think both are too high, I have similar to your but a GTX1070.

But it depends what you run within your sim. With Orbx OLC and addon airports I use setting lower than both of them but can keep FPS locked at 26 and never drop below even doing rings around London and EGLL. (my test area.)

Before you try any, I would suggest you run P3D only on your main cores AM 85 and make sure all addons like ASP4/CP/EF/ProATC/etc all run on the Threads.

FSL seems to love P3D using no HT. So just use the AM 85 and make everything else run off the main cores (on the threads) = Bliss.

Edited by Nyxx

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Is that something easy to do?  I have no idea how I would run P3d on my main cores and how to make the others run on threads.  Maybe Jetline Systems could help? 

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But, I don't have poor performance in general.  Just curious.  I use Blackbox711's settings as a baseline

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Posted (edited)
13 minutes ago, Zimmerbz said:

But, I don't have poor performance in general.  Just curious.  I use Blackbox711's settings as a baseline

His world setting are what I use. All you have to do to make P3D run on main cores only is add a tweak into your config.

Just add this 

[JOBSCHEDULER]
AffinityMask=85

Changing other apps is done though W7 task manager. You get everything running and p3D on its startup screen, not in flight and go through all your addon and untick 0-2-4-6 and make sure 1-3-5-7 for all add-ons are Ticked.

Now your PC is running all your apps away from P3D leaving all your main cores to just run the sim and FSL, and not trying to sort out everything.

Up your setting but I suggest you up one at a time and make sure it's OK before using another. My PMDG setting are all one step higher than my FSL setting that matches BB world setting am talking about.

Edited by Nyxx

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1 hour ago, Nyxx said:

His world setting are what I use. All you have to do to make P3D run on main cores only is add a tweak into your config.

Just add this 

[JOBSCHEDULER]
AffinityMask=85

Changing other apps is done though W7 task manager. You get everything running and p3D on its startup screen, not in flight and go through all your addon and untick 0-2-4-6 and make sure 1-3-5-7 for all add-ons are Ticked.

Now your PC is running all your apps away from P3D leaving all your main cores to just run the sim and FSL, and not trying to sort out everything.

Up your setting but I suggest you up one at a time and make sure it's OK before using another. My PMDG setting are all one step higher than my FSL setting that matches BB world setting am talking about.

Where do you add job scheduler in the config?  Is it your p3d config?  Will things mess up if I do it wrong ?

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57 minutes ago, Zimmerbz said:

Where do you add job scheduler in the config?  Is it your p3d config?  Will things mess up if I do it wrong ?

This entry gets added to the P3D .cfg.  It really won't mess anything up but the wrong affinity number can cause performance problems, stuttering, etc.  I have never found this entry to be worthwhile and I have tried all the different calculations over the years and different versions of FSX and P3D but doesn't hurt to try it.  That said....I have never tried what David has suggested though where you are assigning cores to your other apps....

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A question for the OP... is Hyperthreading Enabled or Disabled in your system BIOS?  That will have a lot to do with what Affinity Mask could work best for you.

Greg

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Posted (edited)
17 minutes ago, Zimmerbz said:

Where would I see that?

One easy way is open Task Manager, go to Performance tab. You will see it next to 'Logical Processors'.  If it has 8 then you have HT enabled. You probably have it on by default as it appears you have a similar system as I do....  

 

Edited by Flic1

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2 hours ago, Flic1 said:

That said....I have never tried what David has suggested though where you are assigning cores to your other apps....

Just using an AM is really only the equation IMO half the job done, it's placing all add-ons on the un-used threads is key.

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edit with quotes does not work on these forums in the last few weeks.

"Just using an AM is really only half the equation...."

 

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I found a tool that helps you determine what AM to use and it spit out 16.  Is it safe to assume that I should just go to the bottom of the p3d.cfg and enter the item below?  If I don't see any differences can I simply just go back in and remove it?  It won't mess anything else up right? 

[JOBSCHEDULER]
AffinityMask=16

 

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9 minutes ago, Zimmerbz said:

I found a tool that helps you determine what AM to use and it spit out 16.  Is it safe to assume that I should just go to the bottom of the p3d.cfg and enter the item below?  If I don't see any differences can I simply just go back in and remove it?  It won't mess anything else up right? 

[JOBSCHEDULER]
AffinityMask=16

 

First you need to establish if you have HT turned on or off.

Do you have 4 or 8 CPU Cores showing in Task Manager?

The AffinityMask calculation is different!

16 is almost certainly NOT what you want... :cool:

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Posted (edited)

Try going here

https://www.rapidtables.com/convert/number/decimal-to-binary.html

and enter 16

converted it will give you

10000 which has no useful purpose.. :unsure:

If you key in 85

you get

1010101

which signifies "every other" core in an eight LP configuration.

Another popular choice is 254

which translates to

11111110

meaning: use all LPs, except for the first LP of the first physical core in an eight LP configuration..

Note: LP is explained below

 

Edited by Bert Pieke

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Posted (edited)
10 hours ago, Zimmerbz said:

Is that something easy to do?  I have no idea how I would run P3d on my main cores and how to make the others run on threads.  Maybe Jetline Systems could help? 

Not to be overly picky, but lets get our nomenclature straight..

If you have HT set to OFF on a quad CPU, all you have are four "main cores".. aka physical cores.

If you have HT set to ON, each physical core gets assigned two logical processors, or LPs which doubles the number of cores that Windows can assign work to, to eight.

With an AffinityMask of 85, P3D only uses one LP per physical core, leaving the other four LPs free for other work. 

Threads are units of work, not the cores on which the threads execute.. :wink:

Edited by Bert Pieke

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I checked and it turns out that HT is off because my processor is a bit older and doesn't fully utilize HT.  He said it wouldn't make much of a difference if I turned it on

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48 minutes ago, Zimmerbz said:

I checked and it turns out that HT is off because my processor is a bit older and doesn't fully utilize HT.  He said it wouldn't make much of a difference if I turned it on

In that case, I would suggest not using the AffinityMask at all.

 

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2 hours ago, Bert Pieke said:

In that case, I would suggest not using the AffinityMask at all.

 

Agree, that Was all a waste of time.

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So, about the settings......

I use Flyinside for P3d V4.5, because it shows well in VR.  However, when I use native P3D, I don't get the VR effect as much ie. no real height sensation.

So, there is something in my P3D settings that is lacking which Flyinside does.  What is it I am not setting??!!

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