I see, that is one of my first experiments with blender, and i didn't know how to make it without so hard tessellation.
The fact that LuxCore on GPU has a reduced precision compared to LuxCore on CPU is known problem
I think that is on GPU there is float half precision math, i met the same with ...
Search found 5 matches
- Wed Feb 27, 2019 1:21 pm
- Forum: User Support
- Topic: Path-CPU vs Path-GPU
- Replies: 10
- Views: 9975
- Tue Feb 26, 2019 7:39 am
- Forum: User Support
- Topic: Path-CPU vs Path-GPU
- Replies: 10
- Views: 9975
Re: Path-CPU vs Path-GPU
Uh, I can replicated the problem on my (AMD) GPU so it is not driver related. I will check what is going on.
The problem is in the scene: there are 2 coincident "Area" and "Area.001" objects. They are 2 area lamps and "Area" has a gain set to 0.0. Just delete "Area" and CPU and GPU will ...
- Sat Feb 23, 2019 8:21 pm
- Forum: User Support
- Topic: Path-CPU vs Path-GPU
- Replies: 10
- Views: 9975
Re: Path-CPU vs Path-GPU
Actually both scenes are not important for me, accept it as a bug report.
- Sat Feb 23, 2019 3:11 pm
- Forum: User Support
- Topic: Path-CPU vs Path-GPU
- Replies: 10
- Views: 9975
Re: Path-CPU vs Path-GPU
You will be laughing, but after update the things got worse.
Just installed a day old (02/22/2019) NVIDIA drivers version 419.17.
Path-CPU (took 00:02:48)
Path-CPU-new version.png
Path-GPU (took 00:00:35)
Path-GPU-new version.png
And just to be sure, tried it on Azure VM, Windows 10 Pro, with 6 ...
Just installed a day old (02/22/2019) NVIDIA drivers version 419.17.
Path-CPU (took 00:02:48)
Path-CPU-new version.png
Path-GPU (took 00:00:35)
Path-GPU-new version.png
And just to be sure, tried it on Azure VM, Windows 10 Pro, with 6 ...
- Sat Feb 23, 2019 5:00 am
- Forum: User Support
- Topic: Path-CPU vs Path-GPU
- Replies: 10
- Views: 9975
Path-CPU vs Path-GPU
Hi !
I'm a newbie in Lux, and wonder why is there so big difference between Path CPU and Path OpenCL rendering ?
The GPU one has a lot of reflections of the top light
Path+CPU.png
Path+GPU.png
Compare, Bdir
BiDir.png
And with another, there are some lines appeared ???
Path-CPU-RT.png ...
I'm a newbie in Lux, and wonder why is there so big difference between Path CPU and Path OpenCL rendering ?
The GPU one has a lot of reflections of the top light
Path+CPU.png
Path+GPU.png
Compare, Bdir
BiDir.png
And with another, there are some lines appeared ???
Path-CPU-RT.png ...