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EGLC and True Earth Britian South


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I thought when I finally got hold of a RTX 3080 my fligh simming would be smooth sailing for a while.  I tried flying out of EGLC but I run out of vram before I can even taxi on to the runway.  This really suprised me.  With my 1080 GTX it was almost a slide show but at least P3Dv5.3 didn't CTD.  I don't have settings anywhere near maxed out.  Has any one with similar system specs been more successful in this very dense scenery?

Jerry

System specs:
Gigabyte Z390 Aorus Pro WiFi Intel Motherboard
Intel Core i9-9900K Coffee Lake 3.6 GHz(5.0 GHz Turbo)
EVGA CLC 240 Liquid CPU Cooler
CORSAIR Vengeance LPX 32GB 3600
Gigabyte RTX 3080 10GB
EVGA 850W Gold psu
Windows 10, P3Dv5.3, Prosim737
Opencockpits mcp, 2efis, 2fmc, Ovhd, Stand radios

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I have had vram go over 8GB in high density areas like San Jose, Ca and Tacoma, Wa, but have never gone over 10GB anywhere, including EGLC.  My recollection is that flying out of EGLC  vram was 7 or 8.  So maybe look at settings again?

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20 hours ago, Jerrymc3 said:

I thought when I finally got hold of a RTX 3080 my fligh simming would be smooth sailing for a while.  I tried flying out of EGLC but I run out of vram before I can even taxi on to the runway.  This really suprised me.  With my 1080 GTX it was almost a slide show but at least P3Dv5.3 didn't CTD.  I don't have settings anywhere near maxed out.  Has any one with similar system specs been more successful in this very dense scenery?


The EGLC and TE GB South combination is the most taxing of my PC, hitting 99% - 100% of CPU on nearly all cores and using up to 9.5 GB on my GPU, which is possibly why on a 10 GB GPU, you OOM before you get anywhere.
With a 12 GB VRAM GPU, once Windows 10 takes its share of VRAM processes, I only have 11.1 GB max VRAM to play with.

What's your display resolution? That will have a bearing on how much VRAM is used.
As will the complexity of the aircraft you are using.
 

 

I've commented on VRAM and P3D settings here:


Also, in P3D's settings, change Image and Texture Quality - Texture Resolution to medium (1024 x 1024) and uncheck Terrain - Use high-resolution terrain textures.

While you won't have to necessarily be as drastic as mentioned in the linked topic above with your settings, it's worth having a look to see which of them should be dialled down - at least initially.
 

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11 minutes ago, Jerrymc3 said:

Sorry it took me so long to get back to you.  I have P3Dv5 spread across three 42"  LCD TVs at 4k x 2k, 3840 x 2160.  I'm using the Prosim737 PBR v1.55.

Jerry


Firstly, very nice hardware!

Second, just no. That's way too much to ask of one GPU, IMO.
Some people have been known to reach 16.1 GB of VRAM on an RTX Titan X GPU using just one 4K monitor on the much more VRAM-friendly P3Dv4.

I would highly recommend you post your query again on Avsim's "Monitors | Multi-Monitors | Video Cards | Drivers" sub-forum and tag @GSalden.
Gerard has a somewhat similar setup to you and has been doing multi-monitor and networked PC arrangements for donkey's years. Yours is a niche example that very few, other than the specialists like him, can help with.
 

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The London area of True Earth Great Britian South is really the only place I have run out of Vram.  I also have True Earth Northern/Southern California, Oregon and Washington but I haven't attempted to fly there in P3Dv5.  I only upgraded about a month ago.  I will check with Avsim though.  I'm not sure how to tag @GSalden  Thanks

 

Jerry

Edited by Jerrymc3
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