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Run out of System Memory(8GB) with X/Trifire.. - Page 2

post #11 of 26
Thread Starter 
Quote:
Originally Posted by willistech;15462790 
my question is why are you disabling the page file instead of just moving it to another drive or something. losing performance (that normal people don't notice) or not being able to play.... seems like a pretty easy choice to me.

1. pagefile decreases performance, why use memory on a hard drive when i have more than enough ram?
2. it is my gaming machine, i have 1 60gb ssd in there, so no other drives to move it to. even if i did, i wouldnt pay for a 2nd ssd just to have a page file. and any other drive would prove even slower for pagefile performance

it shouldnt have to be a 'choice', i have 8gb ram of which the sytem says it is only using 3gb.

noahhova, apps dont NEED page file. the system is what allocates memory to apps, game developers dont decide in their code whether they are writing to ram or to page file.

Pinkslippers, i think its windows 7 allocating shared video memory according to the total vram size on the cards, not the size of just one card when in crossfire. and at the same time, it appears to be unusable to the system once allocated. thats my best guess so far from what i have seen. my shared system memory is 3830mb.

Topgearfan, i tried 2GB initially but this failed also. running 8gb works for a while as long as i dont alt tab, i am now running 12gb. I can play bc2 as well, and seems ok. But at the same time my memory usage is only about 40% when it tells me its out of memory. I at first thought it was probably a memory leak with bf3, but bf3.exe isnt using up much ram, its disappearing somewhere else, not the game exe specifically

pastuch, thanks for the reply. i have previously cleaned all drivers and running 11.10 prev 3, running no caps tho as have seen lots of ppl having issues with it. might try cap 4, but, are you able to reduce/remove your pagefile and see if it has fixed anything? im not sure that cap4 will have anything to do with where the memory is being allocated?
Edited by whippy - 10/26/11 at 7:03pm
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post #12 of 26
Since upping my vmem from 512 to 3gb I've noticed a significant reduction in the time to load BF3 maps. I've been first 100% of the games for 3 hours on 2 different servers. Shockingly fast loads... I have an Intel X25-m g2 ssd
post #13 of 26
Thread Starter 
Just to add some more info on this:

I just went into the game, doing some more testing and about to install CAP 4, when the game crashed out with low memory again.

As it crashed, i had task manager, resource monitor etc open. With the same message on screen telling me i have low memory, i look at resource monitor which tells me i have 5GB free RAM. My commit charge however, again, had hit 100% and hence the crash. What is more peculiar is that i have a fixed page file size set at over 12GB, yet it crashed telling me my page file was only 4162MB....?

Also, to add to my theory regarding the video memory, i kept an eye on the VRam usage in MSI afterburner. at certain points in time, the vram claims to be up to 3400mb in size...now obviously i only have 2gb of actual ram, but the fact that afterburner is reading up to 3400mb of memory used, fits in with what i am seeing regarding shared system video memory using up my RAM.
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post #14 of 26
The game is hard coded to put certain information into the pagefile. Dawn of War II does this as well. Forces the use of at least 1.5 gig of pagefile despite the fact that I had 9gigs free of ram out of my 12gigs. Just the way the game was programmed.
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post #15 of 26
Thread Starter 
So you think even if i got more RAM, i would still have the same problem?

GPUz also shows 3400ish mb of vram usage, matching afterburner.
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post #16 of 26
It is not the physical RAM, the game is coded to use pagefile. Some games can run without pagefile if not coded to put certain and amount of informations there. So yes you will have the same problem with more RAM if you disabled and reduced the pagefile size requires by the game.

Both Afterburner and GPU-Z are using the ProcessExplorer 15 introduced by Mark Russinovich to monitor video memory usage.

In crossfire/SLI configuration, each GPU is allocating the same amount of VRAM as its siblings and shown as the total memory usage.

If the memory usage shows 3400 MB, actual usage per GPU is divided by the number of GPUs in Crossfire/SLI configuration. 3400/2 = 1700 MB/GPU.
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post #17 of 26
Quote:
Originally Posted by whippy View Post
So you think even if i got more RAM, i would still have the same problem?

GPUz also shows 3400ish mb of vram usage, matching afterburner.
The problem with BF3 is a supposed memory leak that is currently being fixed.

You really should have a pagefile. There not many programs outside of some productivity and other suites which will require more than roughly 1-2GB of cache space. I currently have 300MB on my C: drive and 1GB on my D: drive allocated (two physical drives).
    
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post #18 of 26
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Sarec, thanks for the reply, but i have disproved this theory. If i disable crossfire and disable page file, the game starts and runs just fine. It is the game using up all the shared system memory available to it in RAM, and then also page file when memory is used up.

I also tested by deliberately running up a few programs, nothing real heavy, only task manager, afterburner, gpuz and getting around 68-71fps. After closing those programs and 1 or 2 others, my fps jumped to 73-75fps. Commit charge was around 50-60% so the difference was this small amount of memory being freed up from RAM. My page file is running on a OCZ SSD.

I think for myself it is now clear, more memory more memory more memory. There is a big fps increase when using RAM vs page file even on an SSD.
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post #19 of 26
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Quote:
Originally Posted by Ken1649 View Post
It is not the physical RAM, the game is coded to use pagefile. Some games can run without pagefile if not coded to put certain and amount of informations there. So yes you will have the same problem with more RAM if you disabled and reduced the pagefile size requires by the game.

Both Afterburner and GPU-Z are using the ProcessExplorer 15 introduced by Mark Russinovich to monitor video memory usage.

In crossfire/SLI configuration, each GPU is allocating the same amount of VRAM as its siblings and shown as the total memory usage.

If the memory usage shows 3400 MB, actual usage per GPU is divided by the number of GPUs in Crossfire/SLI configuration. 3400/2 = 1700 MB/GPU.
I have just tested this, the game plays without a pagefile. I still find it hard to believe that programmers code for page file, the system is what allocates and moves ram to page file when it is not being accessed. But i will investigate this further.

Ganja, have you got info on the memory leak? link? i think this is still the likely problem
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post #20 of 26
Quote:
Originally Posted by whippy View Post
Sarec, thanks for the reply, but i have disproved this theory. If i disable crossfire and disable page file, the game starts and runs just fine. It is the game using up all the shared system memory available to it in RAM, and then also page file when memory is used up.

I also tested by deliberately running up a few programs, nothing real heavy, only task manager, afterburner, gpuz and getting around 68-71fps. After closing those programs and 1 or 2 others, my fps jumped to 73-75fps. Commit charge was around 50-60% so the difference was this small amount of memory being freed up from RAM. My page file is running on a OCZ SSD.

I think for myself it is now clear, more memory more memory more memory. There is a big fps increase when using RAM vs page file even on an SSD.
Hardware monitors always kill frame rates.
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