Apple Silicon M1 Macs: What will this mean for eGPU users?
 
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Apple Silicon M1 Macs: What will this mean for eGPU users?  

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mac_editor
(@mac_editor)
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@ikir, apparently Apple confirmed to TechCrunch that egpus are indeed not supported. Anyway we will see with the hands-on.

 

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itsage
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@mac_editor, Did you get a chance to check through RC 2 which became available this afternoon? How big of a project in your estimate for the Radeon drivers to be universal?

 

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mac_editor
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@itsage, didn’t realize RC2 dropped. Will update/check and report back. 

 

"Desultory reading is delightful, but to be beneficial, our reading must be carefully directed." — Seneca

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Disco
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@ikir .... and Boom! Compatibility for the black magic egpu has been updated. No longer shows support for the M1 macs. Displeased  

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Switt Kongdachalert
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Posted by: @disco

@ikir .... and Boom! Compatibility for the black magic egpu has been updated. No longer shows support for the M1 macs. Displeased  

Oh man, that's disappointing..

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mac_editor
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@itsage, things look the same on RC2.

Regarding ARM64/aarch64 support for Radeon drivers, I was searching for some info and its not as clear-cut as NVIDIA, who simply offers Linux-aarch64 drivers on their website. I have seen some indication of radeon drivers working in aarch64 environment but nothing as concrete as NVIDIA's - being offered a driver download.

With respect to universal drivers or just compiling for ARM, it shouldn't be too big of a task for Apple/AMD. For them, difficulty could range from "just tried compiling for ARM and it just worked" to "some pieces of code need fixes then good to go" (tad exaggeration here :p). For a 3rd-person/party to port pre-compiled x86_64 to aarch64 - not a good place to be (think "man replacing Rosetta but for kexts" scenario).

 

"Desultory reading is delightful, but to be beneficial, our reading must be carefully directed." — Seneca

Author: kryptonitepurge-wranglertbt-flashpurge-nvdaset-eGPU
Insights Into macOS Video Editing Performance
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Master Threads:
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itsage
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@mac_editor, Thank you for checking. I was just curious if this ARM64 driver omission was by choice.

 

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mac_editor
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@itsage, pretty sure by choice. Updated my previous response about how hard it could be for them in case you missed that.

 

"Desultory reading is delightful, but to be beneficial, our reading must be carefully directed." — Seneca

Author: kryptonitepurge-wranglertbt-flashpurge-nvdaset-eGPU
Insights Into macOS Video Editing Performance
Launching Apps on Specific (e)GPUs on macOS

Master Threads:
2014 15-inch MacBook Pro 750M
2018 15-inch MacBook Pro

 
2019 13" MacBook Pro [8th,4C,U] + RX Vega 64 @ 32Gbps-TB3 (Mantiz Venus) + macOS 10.14.6 & Win10 [build link]  


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nu_ninja
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Regarding AMD gpu drivers on ARM64, I think its already working in Linux. I was vaguely following this blog about using external gpus with the raspberry pi 4 compute module (has pcie 2.0x1 slot):

https://www.jeffgeerling.com/blog/2020/external-gpus-and-raspberry-pi-compute-module-4

Seems their issue with both AMD and nvidia was with assigning PCIe IO bar space rather than any particular driver issue.

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Leovinus
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After a nights sleep, macrumours browsing, and pondering it seems to me that the situation at present is this: Apple has replaced the lowest end of their lineup with M1 based chips. Air, Pro 13", and lowest end Mac mini. In all but the Air Intel still reigns as the top end SKU. And these products still have eGPU support. And I'll go on a limb and assume that until such time that Apple can replace the MacBook Pro 16" and iMac SKUs with CPU's and graphics solutions that are on par with, or beat, AMD's NAVI2 they'll have to include them in next years lineup if they want to stay relevant against the competition. The ecosystem might technically grow until then.

From that perspective I certainly see how this lineup might not be the premier beneficiaries of eGPU from a practical and strategic perspective. After all, how common is the attach rate for low end Air, Pro 13", and i3 Mac mini? Being that these products are a trial run Apple might simply have left it on the table until everything else is in place. In my admittedly optimistic and hopeful analysis.

Since it is indeed only... optimistic... That's why I agree with @ikir that we should all leave a comment on Apples feedback site.

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