Command Line Rendering with EEVEE is slow #58921
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Reference: blender/blender#58921
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Win 7 Pro 64Bit
GTX 1070
Driver: 417.22
Blender Version
Broken:
blender-2.80-606223f6a61-win64
If I render with EEVEE via Command Line, the GPU Load is around 40-50% (4min 33sec).
Rendered the same scene in a normal way via Gui, the GPU Load is around 90-98% (3min 20sec).
If I render the same scene with Cycles via Command Line, the GPU Load is around 90-98%
blender -b PathToBlend -a
I've tried several scenes with the same result all the time.
cube-eevee.blend
cube-cycles.blend
Added subscriber: @ditos
Added subscriber: @ZedDB
I can not reproduce this in Linux. I get the reverse (and that is to be expected if it works correctly).
inside blender: 02.43
from command line: 01.08
Could be a driver issue or something we are doing bad on our end. Difficult to say. "Minimized" applications may have lower priority to the GPU.
Cycles is a different beast and does not use OpenGL for rendering so no surprize about that.
Thank you so much for your trouble.
I just searched unsuccessfully for a program to increase the GPU priority.
If any of you are using Windows and do not have this slowdown, please post your Nvidia driver version.
I have now tested half a dozen drivers (current version 399.24).
No change.
Added subscriber: @filibis
@ditos , isn't that render time a bit too much? I've GTX 1070 as well and this animation render finished around ~20 seconds (similar results with both command line and GUI)(I've around %60 GPU usage).
By the way how do you guys check total animation render time for Eevee?
My System Info
Windows-10 64 Bits
GeForce GTX 1070 NVIDIA 419.67 (I use Creator Ready Drivers, Idk if that makes much difference)
Blender version: 2.80 (sub 74), branch: blender2.7, commit date: 2019-06-08 13:24, hash:
81b68f7279
Hi Emir,
the render times did not refer to the attached files, they were just an example.
For the Eevee Scene I also only need 21sec.
For the total render time you can use the file properties of Windows.
This is not an exact seconds specification, but it is sufficient for an overview.
Added subscriber: @GavinScott
I was able to find a solution for checking animation render time thanks to @GavinScott . I typed this to Powershell:
I still have the same problem.
Rendering direct in Blender = 21sec
Rendering via Powershell = 30sec
By the way...
Nice solution with the Powershell.
Added subscriber: @Cenda
Any news with this issue? I have same problem with Cycles.
Added subscribers: @brecht, @LazyDodo
I did some profiling
GUI Render
CLI Render
seems like some color management is done for the cli render while not being required for the gui renders somehow, on top of that it seems to create the color transform over and over again for each frame rather than caching it
I think @brecht is most familiar with the color managment code?
Added subscriber: @dfelinto
after some discussion with @dfelinto on chat re-triaged as medium.
Added subscriber: @fclem
Added subscriber: @Sparazza