825mil render problem...

Deprecated Krakatoa SR Beta Discussion
1

Hi,

This weekend was realy hard testing for my workstation, i was trying to see limit for particle count rendering.

But after rendering more and more particles, I ran into some problems with Krakatoa.

Workflow for this test was:

  1. fluid prt loader with 7.5mil
  2. splash prt loader with 20mil
    and Then I multiplied them in scene

Still frame render

330 MIL = 12 * fluid + 12 * splash - everything was fine - 9gb of memory

shadow-vfx.com/rnd/800/prt_330mil.jpg

550MIL = 20 * fluid + 20 * splash - krakatoa take 15gb of ram, this is ok, for this number of particles but 1 prt loader is missing from render.

shadow-vfx.com/rnd/800/prt_550mil.jpg

825MIL - 30 * fluid + 30 * splash - Krakatoa take 23GB of ram, also fine for this number - but you can see even 17 prt loaders not rendered.

shadow-vfx.com/rnd/800/prt_825mil_v01.jpg

So i decide to see where Krakatoa is stable for render on my workstation

412MIL - everytghing is fine
shadow-vfx.com/rnd/800/412_mil_prt.mov

500MIL - few prt loaders are missing but random
shadow-vfx.com/rnd/800/500_mil_prt.mov

825MIL - you can see…
shadow-vfx.com/rnd/800/825_mil_prt.mov

I also attach scene, if you guys can test this, maybe my workstation is problem.

shadow-vfx.com/rnd/800/800_m … _scene.rar

Thanks

Igor

2

Oh, I have never seen this problem before. Thank you for the test scene. I am downloading it now. Hopefully it will let me reproduce the problem.

Which version of Krakatoa SR are you using? Is it the latest (1.6.80.45658) uploaded on 2011/11/03?

3

Hi Igor,

Can you attach JUST the PY file that was created?
I am having hard time downloading the scene file, but would like to see if the MEL script failed to export some of the PRT Loaders, or Krakatoa SR failed to load PRT Loaders that were in the PY file. (You can answer this one for us, too).

If it is the former, it would be my bug. If it is the latter, it would be Conrad’s responsibility.
Just trying to plan ahead… :slight_smile:

4

HI guys,

yes i am using latest Krakatoa SR and also maya script.

py scene files are ok, i attached krakatoa export folder.
800_mil.zip (187 KB)

5

Thank you for the test data! I have found a bug in my code and have fixed it. There was a problem with the multi-threaded loading of .PRT files. The latest fixed version has been posted in the “Builds” section.