eGPU support on Apple Silicon?

We are spending a lot of time optimizing or Metal work for discrete graphics cards and external GPUs with eGPU support. Is this going to be something Apple Silicon will support since Thunderbolt 3 won't be part of these machines? I am worried.
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dstimm
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Sorry, we cannot comment about future software or hardware products. But we’d love to hear more about the optimization work you’ve been doing or questions you have about that.

And although they don’t address your question, here’s where you’ll find sessions about using Metal with the Apple Silicon Mac:
Bring your Metal app to Apple Silicon Macs
Optimize Metal Performance for Apple Silicon Macs
Mac Developer Transition Kit
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Graphics and Games Engineer
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Late reply, but Thunderbolt 3 *is* going to be part of future Macs, it's just not part of the DTK.

Search for "thunderbolt arm Macs" for several links.
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funwithstuff
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For the record (and now since M1 units are released), Thunderbolt 3 is supported but not eGPU. The M1 SOC does not support external graphics processors as of macOS 11.0. Moreover apparently the corresponding eGPU kernel extensions are present and installed in the operating system partition, but only compiled for Intel.


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adib
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By chance is there any update on eGPU support coming to Apple Silicon?

I badly need CUDA but because I can't attach an external Nvidia card I'm forced to use a PC.

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smcleod
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