Memory problems

[glen5700]

When I turn on GI and render the memory goes up in the paging file, which is normal. After the rendering is finished the memory doesn't go down, see screen capture on lower left, the task manager shows 5 renderings and more page file being used with each rendering. I only have 1 Gig of ram so once it gets past this point rendering becomes very slow. The scene is very simple, a plane and a sphere with basic V-Ray shaders, the sphere has a bit of reflectivity. Gi is turned on and for lighting shadows are off, show GI only are checked.

If I try a more complex scene it goes through my memory in a mater of seconds. The memory will come back if I close Rhino, see task manager with red glow in screen capture.

Here are my system specs:

Window XP Pro service pack 2
Pentium 4 2.8 GHz
1 GB Ram

Nvidia GeForce 6600 GT 128MB Driver version: 8.1.9.5

My paging file sits on my second drive - D and is set for 2000 - 3000 MB, Usually once a couple of months I will move it to my C drive and defrag my D drive and the move it back to the D drive. I am running Diskeeper in case this could have something to do with it, it's set to run in the early am.

I'm going to move my paging file to the C drive and see if that makes a difference.

Thanks,
Glen

The Rhino scene: http://www.3ddigitalgraphics.com/v_r...e_gi_scene.3dm

[joe_b]

Memory problems

I'll have to take a look at this. We had a problem that we fixed a while back similar to this, so I think I have a good idea where to start looking. Thanks

[glen5700]

Memory problems

Thanks for looking into this, since changing my paging file to the C drive things seem to be better. The microscope scene and the table and chairs worked fine with GI, the rendering finished and the page usage dropped back down. The file I posted before - simple_gi_scene.3dm still is a problem.

Glen

[corey]

Memory problems

Glen,

I tried the scene in your post and the scene you e-mailed with the new build. You have to remake the materials (sorry for that) but I have been rendering this scene with not texture maps for about 30-45 minutes upwards to 45 renders one after the other and do not see a memory build up. I also tried a scene with texture maps for 15-20 minutes about 20 consecutive renders and do not get a memory build up.

Can you try your scene with the new build and see if you can reproduce this?

Thanks.

Corey

[glen5700]

Memory problems

Hi Corey,
I tested it today and had no problems with full scene renders or renderwindow.
Looks good so far but I will keep at it .

Thanks,
Glen

[glen5700]

Memory problems

Since bump mapping has returned I just wanted to let you folks know that things are working just fine. The table and chairs scene that gave me problems in the past is working great, when rendering it will go into virtual memory but once it's done it returns all the memory.

Nice job guy's - thanks,
Glen

[joe_b]

Memory problems

Thats great to hear, thanks