I managed to OOM v4!

[77west 139]

During testing setting the TEXTURE_SIZE_EXP=10 flag, with a PMDG 747 over ORBX New Zealand, I got OOM on loadout.

Now this is not a VAS OOM, but literally, it hit a RAM limit. Not sure if VRAM or system RAM, I have 16GB system RAM and 8GB VRAM, I saw P3D using just under 12GB system RAM, and 7.4GB VRAM, just before P3D gave me the OOM message.

Now I was just testing to see how far I could push it, but would appreciate from LM if I upped my system RAM to 32GB, if P3D would actually scale well and use additional RAM or not.

Removing the TEXTURE_SIZE_EXP=10 flag, I see about 6GB system RAM and 4GB VRAM used, in the same situation.

Interesting. 

(Before anyone goes off at me, I am testing, not criticising or in any way suggesting or implying anything about P3Dv4 other than it is awesome!)

[DavidP 1,408]

We'll still have to spank you

[Indy511 686]

Well done Wes! BTW I already have 32GB of RAM so I should be fine.

[Manny 1,293]

Why would it hit a RAM limit, when it could use a pagefile? Did you try increasing your page file size?

Could you also post the exact message?

YOU did not hit the OOM/VAS limit. I can assure you that. 

 

I do not know how the VRAM works and its limitations... so I cannot comment on that... 

I am also glad you are pushing it to the limit to see its perimeter! :)

[Dirk98 354]

6 minutes ago, Manny said:

Why would it hit a RAM limit, when it could use a pagefile? Did you try increasing your page file size?

I was gonna ask the same.

Dirk.

[77west 139]

I forgot about pagefile duh...! I usually run no pagefile as in the past nothing used all my RAM. Will try with pagefile and see. 

[Dirk98 354]

7 minutes ago, 77west said:

I forgot about pagefile duh...! I usually run no pagefile as in the past nothing used all my RAM. Will try with pagefile and see. 

That's the answer to why you hit the RAM limit.

[Slayer 190]

Once it's using the pagefile you'll be getting about 2 fps

[Dirk98 354]

1 minute ago, Slayer said:

Once it's using the pagefile you'll be getting about 2 fps

The consensus is already that 32GB RAM is the way to go at very high settings in P3Dv4

Dirk.

[Slayer 190]

Just now, Dirk98 said:

The consensus is already that 32GB RAM is the way to go at very high settings in P3Dv4

Dirk.

Already there , XP11 pushed me there last winter :P

[77west 139]

11 minutes ago, Slayer said:

Once it's using the pagefile you'll be getting about 2 fps

I dont plan on that for normal simming. I kinda did this to see if upgrading to 32gb is worth it given i am looking at getting a new rig with the new i9 cpu family etc. Might wait till then so i dont waste cash on more ddr3 ram

[Slayer 190]

32GB is worth it. It's usually a nightmare to find matching RAM a few years later short of replacing all sticks. In XP 11 with HD mesh I OOM'd my PC a few times. I suspect with P3D once we start loading addons with no restriction or VAS budget to worry about 16GB will quickly become too little on this platform as well.

[rtodepart 761]

after reading all of this 64GB RAM sounds like a plan for my upcoming build ...... 

[HiFlyer 9,343]

39 minutes ago, Dirk98 said:

The consensus is already that 32GB RAM is the way to go at very high settings in P3Dv4

Dirk.

The consensus a few months ago was that 16gigs would be more than enough for any sim. based on experience of how things like that usually turn out, I immediately purchased 32gigs for my new computer! 

If people start saying 32gigs is the sweet spot, I'll have to start pricing how to get to 64gigs........

[77west 139]

I never bothered with more in the past because obviously p3d cant use it, i may temporarily borrow some to get 32gb then put 64gb in new build in a few months. Being in IT has its perks lol