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theskyisthelimit

P3dv4 blurry laggy slow texture loading popping and stutters

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My latest test:

Installed from scratch just some of the orbx.. this time i left out FTXG (used a clean install folder of p3d and referenced all my addons that already exist elsewhere via scenery.cfg).. i only installed the libraries and openlc NA.

With this and very few of the many other addons active.. i had barely any stutter.. dare i say none.

I then turned on every addon (still just openlc for orbx though).. stuttering was everywhere every few seconds or so.. very laggy textures.

I did find if i set the p3d frame rate limiter to 33, i could stop texture loading, but then again many textures that hadnt loaded stayed blurry.. so one thing sorta cured another got worse.  Stutters were still bad, real bad.

So at this point i guess its either a series of addons i have causing the issue, even though i'm not flying in an area where they are active.. or.. left this out before.. i'm using symbolic links for parts of my addon folders.. linked to another drive.. again those areas arent active in this scenario but i have them enabled.. curious if anyone's ran into stuttering simply because of symbolic links being used to point to folders on other drives? (it works well with xp11 tho).  It might have also been FTX Global related and texture loading is worse with OpenLC NA (and ftxg) or just openlc alone.

Also if i turn on the photo real (megascenery earth) i still get pretty laggy loading close up tiles.

 

 

 


MSI z690-a Unify; 1000 watt evga SuperNova Platinum; 12900kf at 1.255 adaptive LLC6, auto avx, auto Pcore, E-4.0ghz, Ring-4.1ghz, PL 241watt (Cine96c, games 83c case side On); DDR5 Gskill F5-6400J3239G16GA2-TZ5RS  at 6400mhz autovolt, Kraken x73 360mm; Thermaltake v51 Case; Gigabyte 4090 OC;  VR-Varjo Aero;  AstronomicallySpeaking:

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To save me going back to the first page,  remind me again what CPU and gfx card you have please.  I'm going through the same issue after buying a 4K monitor.

Can you run the monitor at 30 hertz??  

It's my understanding (and I could be wrong) that your CPU is going to have to work alot harder when you have 4K hence causing the blurries and stutters.   From doing a search last week it seems to be a common issue.

Have a look at these. Maybe they can help

 

 


 
 
 
 
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10 hours ago, theskyisthelimit said:

Wow, interesting tip.. 15% really?  Thats about 150GB on a 1TB SSD.. mine in fact has around 30GB or so free.. could be one thing to check.

 

With 3% free space your system is choking and will never run properly !

Look in MyComputer at that drive . It must be with red characters.

This is your problem...


13900 8 cores @ 5.5-5.8 GHz / 8 cores @ 4.3 GHz (hyperthreading on) - Asus ROG Strix Gaming D4 - GSkill Ripjaws 2x 16 Gb 4266 mhz @ 3200 mhz / cas 13 -  Inno3D RTX4090 X3 iCHILL 24 Gb - 1x SSD M2 2800/1800 2TB - 1x SSD M2 2800/1800 1Tb - Sata 600 SSD 500 Mb - Thermaltake Level 10 GT case - EKWB Extreme 240 liquid cooling set push/pull - 2x 55’ Sony 4K tv's as front view and right view.

13600  6 cores @ 5.1 GHz / 8 cores @ 4.0 GHz (hypterthreading on) - Asus ROG Strix Gaming D - GSkill Trident 4x Gb 3200 MHz cas 15 - Asus TUF RTX 4080 16 Gb  - 1x SSD M2 2800/1800 2TB - 2x  Sata 600 SSD 500 Mb - Corsair D4000 Airflow case - NXT Krajen Z63 AIO liquide cooling - 1x 65” Sony 4K tv as left view.

FOV : 190 degrees

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6 hours ago, theskyisthelimit said:

The real ticket still seams to be the FTXAA_ORBXLIBS entry in the scenery.cfg.. if i disable that its really ok, for the most part (i think).. i cant find any data online about this causing an issue which is strange.

I doubt it is the FTX library. Do you have the beta 64bit Objectflow2 activated? This dll file can cause stutters on some systems but they are going to solve it.


Regards,

Chris

--

13900K, Gigabyte Geforce RTX 4090, 32GB DDR5 RAM, Asus Rog Swift PG348Q G-SYNC 1440p monitor, Varjo Aero/Pico 4 VR

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3 hours ago, tooting said:

It's my understanding (and I could be wrong) that your CPU is going to have to work alot harder when you have 4K hence causing the blurries and stutters.   From doing a search last week it seems to be a common issue.

 

I don't think this is the case.  I am running a 55' 4K Samsung TV which I specifically bought for flightsimming and I'm running a 4770K @ 4.2Ghz.  Not only is it the best display I have ever had, but the performance is akin to anything I've had on smaller 1080 displays. I'm also running an Asus 1080 Ti graphics card

I can run my settings in-sim fairly mid to high with pleasing results.

 

But - as Jeroen said earlier, you need to look passed the little blips and stutters and occasional laggy load.  It doesn't happen often, but it can, and it will.  Thankfully, I've managed to get a grip on that flightsim OCD like trait.  Overall everything is much, much better than it ever was.

 

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youve also got a 4770k and a 1080ti ... of course youve not got any issues!!!

ive got a 3770k and a 980ti and I get blurries and stutters using 4k

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I have a friend who has this same issue - the common denominator is that he uses FTX Global.  When he uninstalled that it went away


| FAA ZMP |
| PPL ASEL |
| Windows 11 | MSI Z690 Tomahawk | 12700K 4.7GHz | MSI RTX 4080 | 32GB 5600 MHz DDR5 | 500GB Samsung 860 Evo SSD | 2x 2TB Samsung 970 Evo M.2 | EVGA 850W Gold | Corsair 5000X | HP G2 (VR) / LG 27" 1440p |

 

 

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6 hours ago, Cargostorm said:

I doubt it is the FTX library. Do you have the beta 64bit Objectflow2 activated? This dll file can cause stutters on some systems but they are going to solve it.

I do but i have it disabled to rule things out.


MSI z690-a Unify; 1000 watt evga SuperNova Platinum; 12900kf at 1.255 adaptive LLC6, auto avx, auto Pcore, E-4.0ghz, Ring-4.1ghz, PL 241watt (Cine96c, games 83c case side On); DDR5 Gskill F5-6400J3239G16GA2-TZ5RS  at 6400mhz autovolt, Kraken x73 360mm; Thermaltake v51 Case; Gigabyte 4090 OC;  VR-Varjo Aero;  AstronomicallySpeaking:

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1 hour ago, ryanbatcund said:

I have a friend who has this same issue - the common denominator is that he uses FTX Global.  When he uninstalled that it went away

I did that last nite.. took a clean install and only installed openlc.. no real change.


MSI z690-a Unify; 1000 watt evga SuperNova Platinum; 12900kf at 1.255 adaptive LLC6, auto avx, auto Pcore, E-4.0ghz, Ring-4.1ghz, PL 241watt (Cine96c, games 83c case side On); DDR5 Gskill F5-6400J3239G16GA2-TZ5RS  at 6400mhz autovolt, Kraken x73 360mm; Thermaltake v51 Case; Gigabyte 4090 OC;  VR-Varjo Aero;  AstronomicallySpeaking:

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Guest

I'd recommend:

1.  Find a way to run your monitor at 30Hz (1/2 refresh option in NI if not supported native by your monitor)

2.  Don't install any Orbx Regions (as nice as they look, some Orbx Regions can cause long frames), stick with just FTX Global, OpenLC, Vector (limit active options).  If you've already installed Orbx NorCal and SoCal, uninstall via FTX Central and then uninstall FTX Global, OpenLC, Vector ... now re-install FTX Global and test, then re-install OpenLC and test, and re-install Vector and test.  Don't get me wrong, I love Orbx Regions, but they seem to cause problems in P3D V4 and I don't "think" Orbx re-compiled their regions BGLs (nor FTX Global or OpenLC for that matter) using the P3D V4 SDK (I could be wrong so don't quote me).

3.  The items that impact FPS (beyond add-ons) is SSAA, DL, DR, Shadows, SpeedTrees (Dynamic Trees)

4.  Check your DLL.XML And EXE.XML files (both sets) and see if anything is being loaded that could cause an issue (disable for testing purposes)

5.  Make sure you have the latest nVidia drivers installed 385.41 (clean installation) ... only issue I've noted with 385.41 is that ShadowPlay (video recording) introduces more long frames that aren't in my actual flight experience.  Note: with Add-ons there will always be some level of long frames (stutters) but they should NOT be so frequent that they become distracting.

6.  Delete your shaders folder in case it's corrupted (can happen when/if you CTD or Blue screen or lockup)

7.  Affinity Mask is another item to experiment with, for high core count CPUs, HT OFF seems to work well for me

8.  If OC, make sure you aren't triggering any thermal throttling (HWInfo64 will show you that info here: https://www.hwinfo.com/download.php)

9.  Turn OFF AI/Road/Boat traffic

But first step is to get your monitor working at 30Hz or 1/2 refresh, it will be extremely difficult to sustain 60 FPS/60Hz with add-ons installed and high (ish) graphics settings.

Cheers, Rob.

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6 hours ago, ErichB said:

I don't think this is the case.  I am running a 55' 4K Samsung TV which I specifically bought for flightsimming and I'm running a 4770K @ 4.2Ghz.  Not only is it the best display I have ever had, but the performance is akin to anything I've had on smaller 1080 displays. I'm also running an Asus 1080 Ti graphics card

I can run my settings in-sim fairly mid to high with pleasing results.

 

But - as Jeroen said earlier, you need to look passed the little blips and stutters and occasional laggy load.  It doesn't happen often, but it can, and it will.  Thankfully, I've managed to get a grip on that flightsim OCD like trait.  Overall everything is much, much better than it ever was.

 

I also just tried 30hz.. 30 fps lock.. no change at all.

The laggy loading and hiccups do happen yes, but.. i have videos i've made going back to p3dv3 and before that fsx.. and in those videos you really dont see lagging textures or autogen at all.. also.. just browsing some youtube videos online of p3dv4, you dont see it either.. something is clearly wrong with my system (guessing hardware at this point).

More testing:

I copied my large p3dv4 harddrive contents from the samsung 850 ssd to a standard 7200 sata III drive..  no change.. same difference. (i also tried a test load with this size scenery.cfg, somehow on a warm reload, the times were nearly identical, though the first load on the standard drive was around 9min vs about 3 with the ssd on first load, something off there too)

**I freed up space on my SSD drive.. 95GB free, a little over 11%.. no change.. (i really dont think this is the issue).. red bar gone etc.

Whats frustrating is that i dont have this issue with XP11, but i guess p3d is a different beast and may be suffering from random glitches more so.

Only things left to try at this point: (again i got rid of the overclock on ram/cpu with no luck)

Taking out the the extra 16GB of ram i added since p3dv3.
Getting rid of my symbolic links in my scenery folder structure
Putting p3dv4 and a minimal install on my HTPC which i think has a 980ti and a slightly lesser processor.

 

I should mention the stuttering remains even with a clean prepar3d.cfg (minimal graphic settings).. tried turning off DL, AA, etc, all no change.. i've tried turning off AI traffic/boats completely.. one thing i didnt try yet was turning off Hyperthreading, though i have my doubts that will change anything.  I did the latest nvidia install on a "clean" install option.  Tried removing all NI changes (only had changed one, fast sync), set to defaults.  In most of these tests i dont have any extra orbx regions, just ftxg and/or openlc na or neither.  I'm fairly certain i ran with clean dll.xml and exe.xmls (renamed the folders and let it recreate, but i may double check that too)


**i still have that strange correlation to stuttering with all the extra addons checked/enabled in sceneryconfig editor.. turn many of them off, it minimizes.. maybe still hardware... unsure

Here are two videos i made.. one is with very few addons (the first one).. second one is with 477 scenery.cfg items loaded (i had more than this but chopped a bunch for testing).. again these are not in an addon region, just pittsburgh flyover.. nothing fancy either.  This has become one the hardest PC mysteries i have had to figure out i think at this point.  It may be hard to pick out things in these videos, but i can certainly feel the difference, ie: first one is pretty good, though still slowly loading AG.. second one as you pan the city, you can certainly feel the stutter and there are few times where tiles are blurry.  

 


MSI z690-a Unify; 1000 watt evga SuperNova Platinum; 12900kf at 1.255 adaptive LLC6, auto avx, auto Pcore, E-4.0ghz, Ring-4.1ghz, PL 241watt (Cine96c, games 83c case side On); DDR5 Gskill F5-6400J3239G16GA2-TZ5RS  at 6400mhz autovolt, Kraken x73 360mm; Thermaltake v51 Case; Gigabyte 4090 OC;  VR-Varjo Aero;  AstronomicallySpeaking:

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On my pc at 11% the red bar from the drive was gone too. However I had to free up more to get my performance back. SSD --> min 15% free, not 11%

 

 


13900 8 cores @ 5.5-5.8 GHz / 8 cores @ 4.3 GHz (hyperthreading on) - Asus ROG Strix Gaming D4 - GSkill Ripjaws 2x 16 Gb 4266 mhz @ 3200 mhz / cas 13 -  Inno3D RTX4090 X3 iCHILL 24 Gb - 1x SSD M2 2800/1800 2TB - 1x SSD M2 2800/1800 1Tb - Sata 600 SSD 500 Mb - Thermaltake Level 10 GT case - EKWB Extreme 240 liquid cooling set push/pull - 2x 55’ Sony 4K tv's as front view and right view.

13600  6 cores @ 5.1 GHz / 8 cores @ 4.0 GHz (hypterthreading on) - Asus ROG Strix Gaming D - GSkill Trident 4x Gb 3200 MHz cas 15 - Asus TUF RTX 4080 16 Gb  - 1x SSD M2 2800/1800 2TB - 2x  Sata 600 SSD 500 Mb - Corsair D4000 Airflow case - NXT Krajen Z63 AIO liquide cooling - 1x 65” Sony 4K tv as left view.

FOV : 190 degrees

My flightsim vids :  https://www.youtube.com/user/fswidesim/videos?shelf_id=0&sort=dd&view=0

 

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3 minutes ago, GSalden said:

On my pc at 11% the red bar from the drive was gone too. However I had to free up more to get my performance back. SSD --> min 15% free, not 11%

 

 

I can try that as well, just to rule it out.. thanks for the suggestion and to all for them.


MSI z690-a Unify; 1000 watt evga SuperNova Platinum; 12900kf at 1.255 adaptive LLC6, auto avx, auto Pcore, E-4.0ghz, Ring-4.1ghz, PL 241watt (Cine96c, games 83c case side On); DDR5 Gskill F5-6400J3239G16GA2-TZ5RS  at 6400mhz autovolt, Kraken x73 360mm; Thermaltake v51 Case; Gigabyte 4090 OC;  VR-Varjo Aero;  AstronomicallySpeaking:

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58 minutes ago, theskyisthelimit said:

I did that last nite.. took a clean install and only installed openlc.. no real change.

What about without Orbx LC?


| FAA ZMP |
| PPL ASEL |
| Windows 11 | MSI Z690 Tomahawk | 12700K 4.7GHz | MSI RTX 4080 | 32GB 5600 MHz DDR5 | 500GB Samsung 860 Evo SSD | 2x 2TB Samsung 970 Evo M.2 | EVGA 850W Gold | Corsair 5000X | HP G2 (VR) / LG 27" 1440p |

 

 

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7 minutes ago, ryanbatcund said:

What about without Orbx LC?

Its the same unfortunately, maybe slightly better.. still seems to be tied to my many scenery entries (turn all these off, go to defaults, yeah i still get some scenery popping and texture slowness, but the stuttering is basically gone and this is in a "default" area to begin with too).  

I still suspect either the hard drive space issue or some ram issue (adding the 2 sticks though same model, may have differed slightly, maybe p3dv4 can pick up on this issue more than xp11 can, unsure, the other test later on).


MSI z690-a Unify; 1000 watt evga SuperNova Platinum; 12900kf at 1.255 adaptive LLC6, auto avx, auto Pcore, E-4.0ghz, Ring-4.1ghz, PL 241watt (Cine96c, games 83c case side On); DDR5 Gskill F5-6400J3239G16GA2-TZ5RS  at 6400mhz autovolt, Kraken x73 360mm; Thermaltake v51 Case; Gigabyte 4090 OC;  VR-Varjo Aero;  AstronomicallySpeaking:

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