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Blender not recognizing EGPU'S on Mac OSX #71563

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opened 2019-11-14 05:08:12 +01:00 by Nick Brunner · 9 comments
Nick Brunner commented 2019-11-14 05:08:12 +01:00
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System Information
Operating system: Mac OSX Catalina 10.15.1
Graphics card: AMD Radeon RX 5700 XT

Blender Version
Broken: 2.80

Short description of error
Plugged in an external GPU the Razer Core X to my 2017 iMac. The Mac operating system recognizes the EGPU and is displaying correctly, but in Blender system preferences it is not recognized as a rendering device with CUDA or Open GL.
Exact steps for others to reproduce the error
Buy Razer Core X and AMD Radeon RX 5700 XT and use in Blender 2.8 on Mac OSX Catalina.

**System Information** Operating system: Mac OSX Catalina 10.15.1 Graphics card: AMD Radeon RX 5700 XT **Blender Version** Broken: 2.80 **Short description of error** Plugged in an external GPU the Razer Core X to my 2017 iMac. The Mac operating system recognizes the EGPU and is displaying correctly, but in Blender system preferences it is not recognized as a rendering device with CUDA or Open GL. **Exact steps for others to reproduce the error** Buy Razer Core X and AMD Radeon RX 5700 XT and use in Blender 2.8 on Mac OSX Catalina.
Nick Brunner commented 2019-11-14 05:08:12 +01:00
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Added subscriber: @nick_brunner

Added subscriber: @nick_brunner
Anton Raves commented 2019-11-14 14:24:13 +01:00
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Added subscriber: @Memento

Added subscriber: @Memento
hujin commented 2019-11-26 11:30:33 +01:00
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Added subscriber: @2046411367

Added subscriber: @2046411367
hujin commented 2019-11-26 11:30:33 +01:00
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Apple has stopped supporting cuda opencl opengl on mojave. In order to promote its own METAL graphics API, this is the news of last year. Mojave does not have any way to install the nvidia cuda driver. Due to the old opencl support, runs cycles on mac The effect is incomplete, so support is directly disabled in blender version 2.8. You can only wait for blender to migrate from opengl to vulkan, so that can convert from metal to vulkan through molten vk.

Apple has stopped supporting cuda opencl opengl on mojave. In order to promote its own METAL graphics API, this is the news of last year. Mojave does not have any way to install the nvidia cuda driver. Due to the old opencl support, runs cycles on mac The effect is incomplete, so support is directly disabled in blender version 2.8. You can only wait for blender to migrate from opengl to vulkan, so that can convert from metal to vulkan through molten vk.
hujin commented 2019-11-26 11:32:37 +01:00
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You may want to ask why cycles do not directly support the metal graphics api? Because nvidia donated, apple did not.

You may want to ask why cycles do not directly support the metal graphics api? Because nvidia donated, apple did not.
Nick Brunner commented 2019-11-27 06:32:05 +01:00
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Interesting, I figured with their open support of EGPU'S in High Sierra that it would open new possibilities in this spectrum, but like you said, they would rather support their own API than others. I figured their partnership with AMD would mean something as well. It technically reads the EGPU that I have installed but you can't directly select it as a rendering device in Blender 2.8, it becomes grayed out. But the activity window on Mac shows that it and the CPU are both rendering, but I don't think I am seeing the right amount of rendering power coming from the EGPU. I guess it would be nice to get some love from our developers for us Mac users :)

Interesting, I figured with their open support of EGPU'S in High Sierra that it would open new possibilities in this spectrum, but like you said, they would rather support their own API than others. I figured their partnership with AMD would mean something as well. It technically reads the EGPU that I have installed but you can't directly select it as a rendering device in Blender 2.8, it becomes grayed out. But the activity window on Mac shows that it and the CPU are both rendering, but I don't think I am seeing the right amount of rendering power coming from the EGPU. I guess it would be nice to get some love from our developers for us Mac users :)
Jacques Lucke commented 2020-01-15 16:29:07 +01:00
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Jacques Lucke commented 2020-01-15 16:29:07 +01:00
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Changed status from 'Needs Triage' to: 'Archived'

Changed status from 'Needs Triage' to: 'Archived'
Jacques Lucke self-assigned this 2020-01-15 16:29:07 +01:00
Jacques Lucke commented 2020-01-15 16:29:07 +01:00
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Closing because OpenCL is currently not supported on macos. Therefore this is working as expected and not a bug. Thanks for the report anyway.

Closing because OpenCL is currently not supported on macos. Therefore this is working as expected and not a bug. Thanks for the report anyway.
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