Cycles motionblur with curve modifier #42742

New Issue

brothermechanic · 2014-11-27T18:56:54+01:00

brothermechanic commented

2014-11-27 18:56:54 +01:00

System Information
Operating system and graphics card
desktop with 2 gtx 780
gentoo amd64
Blender Version
Broken: all versions (i think so:)

Short description of error
Hello, i found a bug, this is a trouble for me.
I do render with animeted plane with curve modifier
I can't get clean full animation render, but some frames a good.
http://wstaw.org/m/2014/11/27/plasma-desktople5087.png
http://212.45.26.150:5000/fbsharing/nLFXfRky
Please see my scene

**System Information** Operating system and graphics card desktop with 2 gtx 780 gentoo amd64 **Blender Version** Broken: all versions (i think so:) **Short description of error** Hello, i found a bug, this is a trouble for me. I do render with animeted plane with curve modifier I can't get clean full animation render, but some frames a good. http://wstaw.org/m/2014/11/27/plasma-desktople5087.png http://212.45.26.150:5000/fbsharing/nLFXfRky Please see my scene

brothermechanic commented

2014-11-27 18:56:54 +01:00

Changed status to: 'Open'

brothermechanic commented

2014-11-27 18:56:54 +01:00

Added subscriber: @brothermechanic

Joel Godin commented

2014-11-27 22:02:17 +01:00

Added subscriber: @FloridaJo

Joel Godin commented

2014-11-27 22:02:17 +01:00

I did some experimenting this this .blend.

It pretty much hangs on a render of a frame, but is still processing.
I terminated that process.

Changed tile size from 240 x 270 to 60 x 65 and got a frame (frame 28) to render at a slow 11:43 minutes.
Next, turned off motion blur, rendered with 60 x 65 and the frame rendered in 0:41 (41 seconds).
Turning off and on HDR did not make much of a difference.

So the big CPU time consumer (and mine was running into 360% range with 20 threads) was Motion Blur.

iMac OSX 10.10.2 32GbRAM

I did some experimenting this this .blend. It pretty much hangs on a render of a frame, but is still processing. I terminated that process. Changed tile size from 240 x 270 to 60 x 65 and got a frame (frame 28) to render at a slow 11:43 minutes. Next, turned off motion blur, rendered with 60 x 65 and the frame rendered in 0:41 (41 seconds). Turning off and on HDR did not make much of a difference. So the big CPU time consumer (and mine was running into 360% range with 20 threads) was Motion Blur. iMac OSX 10.10.2 32GbRAM

Julian Eisel commented

2014-11-27 22:06:05 +01:00

Added subscriber: @JulianEisel

Julian Eisel commented

2014-11-27 22:06:05 +01:00

Thanks @FloridaJo for checking :) Looks like we can call this confirmed.

Julian Eisel commented

2014-11-29 13:29:51 +01:00

Closed as duplicate of #42752

Julian Eisel closed this issue

2014-11-29 13:29:51 +01:00

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Cycles motionblur with curve modifier #42742