Chaos Corona Forum

Chaos Corona for 3ds Max => [Max] I need help! => Topic started by: tolgahan on 2016-12-06, 20:04:04

Title: Corona render / Times / scene / Gi caches / Performance
Post by: tolgahan on 2016-12-06, 20:04:04

I started to open layers in stages

I seperated multiscatter layer from corona scatter layer

I seperated the trees and objects

Up to a point I had no problems in render

Finally when I was about to open all the necessary layers the corona notification became like this in the screenshots

Did I overload it or is it normal

I had no problems until 50-60 millions poly

additionally on the last scene I increased the resolution from 5k to 5k

I'd be glad If you could read the data hear let me know If there is any problem or not


(http://i15.photobucket.com/albums/a376/halberciro/IMG_8166.jpg) (http://s15.photobucket.com/user/halberciro/media/IMG_8166.jpg.html)


(http://i15.photobucket.com/albums/a376/halberciro/IMG_8171.jpg) (http://s15.photobucket.com/user/halberciro/media/IMG_8171.jpg.html)


(http://i15.photobucket.com/albums/a376/halberciro/IMG_8172.jpg) (http://s15.photobucket.com/user/halberciro/media/IMG_8172.jpg.html)


(http://i15.photobucket.com/albums/a376/halberciro/IMG_8195.jpg) (http://s15.photobucket.com/user/halberciro/media/IMG_8195.jpg.html)

(http://i15.photobucket.com/albums/a376/halberciro/IMG_8196.jpg) (http://s15.photobucket.com/user/halberciro/media/IMG_8196.jpg.html)

7516 hours :)))


(http://i15.photobucket.com/albums/a376/halberciro/IMG_8197.jpg) (http://s15.photobucket.com/user/halberciro/media/IMG_8197.jpg.html)

Title: Re: Corona render / Times / scene / Gi caches / Performance
Post by: johan belmans on 2016-12-06, 20:15:58

Try to use PT + PT instead of PT +  UHD cache.  If  that does not help, I guess you Will have to optimize your scene.

Title: Re: Corona render / Times / scene / Gi caches / Performance
Post by: PROH on 2016-12-06, 20:30:01

Hi. You have some astronomic numbers here. For example you got 138.355 lights, around 92 million unique primitives, and 28.305 million instanced primitives.

This is surely a heavy scene.....

I think optimization and/or splitting the scene up in several X-ref scenes is the only way to go.

Title: Re: Corona render / Times / scene / Gi caches / Performance
Post by: tolgahan on 2016-12-07, 07:33:44

There's only one light on the scene but why does it show lots of lights? There ara about 300 lights in total. I think there's a problem with scene statistics.

 Would the lowmem option in devel debug work?

 By the way 90% of the scene is proxy

What is the reason of the scene parsing duration increase from 1 min to 10 mins?

Definitely lights: 138.355 wrong info :z

Title: Re: Corona render / Times / scene / Gi caches / Performance
Post by: cebli on 2016-12-07, 08:05:33

This hapened to me before. Try resetting corona settings.

Title: Re: Corona render / Times / scene / Gi caches / Performance
Post by: maru on 2016-12-07, 11:46:58

I would recommend PT+PT here, unless there is some heavy noise visible in the interior areas.
The problem may be caused by running out of RAM - what's your RAM usage?

Title: Re: Corona render / Times / scene / Gi caches / Performance
Post by: tolgahan on 2016-12-07, 12:49:13

Quote from: maru on 2016-12-07, 11:46:58

I would recommend PT+PT here, unless there is some heavy noise visible in the interior areas.
The problem may be caused by running out of RAM - what's your RAM usage?

31.6 gb ram usage

When parsing time is 1 min it uses the whole ram
Who would have thought one day 32 gb ram would be unsufficent :)

Title: Re: Corona render / Times / scene / Gi caches / Performance
Post by: tolgahan on 2016-12-10, 13:55:54

(http://i15.photobucket.com/albums/a376/halberciro/sames.jpg) (http://s15.photobucket.com/user/halberciro/media/sames.jpg.html)

Same scene with debug mode  lowmem option.altoughh there is not much light in my scene there  seems to be an error.I think  there is some memory management problems.I made such bigger scenes with 1.4 version there was dr problems but we didnt have duration problems.

I cant say that is nothing to do with scene

I cannot use denoiser because of memory problems , this time I have fireflies

I am really desperate I think I should send my 5 gb scene and we can do corona test scene :)

If we  have a heavy scenes and want to get bigger resolutions like 6k 7k renders there is some problems in here.