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Significant differences in rendering hairs on different hardware platform
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System Information
Ubuntu 16.04.3 LTS and Ubuntu 17.10

Blender Version

Short description of error
See attachments, we have significant differences when rendering identical scene on ADM vs Nvidia GPU and,
I5 vs I7 CPU. Is this a bug in blender? Images are described to easy learn what cpu/gpu was used for rendering them.

Exact steps for others to reproduce the error
Just render scenes (we can provide them) on specific hardware.
See already produced out put. Pleas ask me if needed any more details.



Event Timeline


Sergey Sharybin (sergey) triaged this task as Needs Information from User priority.Apr 12 2018, 4:00 PM

Please provide simple .blend file which demonstrates the issue.

Hello, here are .blend files which demonstrate this issues.

Philipp Oeser (lichtwerk) raised the priority of this task from Needs Information from User to Needs Triage by Developer.Apr 20 2018, 10:59 AM
Brecht Van Lommel (brecht) triaged this task as Normal priority.Mar 26 2019, 3:32 PM