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NVLinked RTX8000 and large matrix inversion

Asked by Jhinhwan Lee on 26 Jun 2019
Latest activity Commented on by Jhinhwan Lee on 1 Jul 2019
If I NVLink two RTX8000 GPUs each with 48GB VRAM, can I allocate and invert a large matrix as if I have a single GPU with 96GB VRAM?

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1 Answer

Answer by Alison Eele on 1 Jul 2019
 Accepted Answer

I'm afraid you won't be able to treat the two cards as a single card in this situation. The underlying system will still see the GPUs as two separate pieces of hardware and MATLAB does not currently support distributed GPU arrays.
The NVLink will allow quick communication between the two cards which can give benefits as part of a deep learning workflow.

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Sounds like a clear and reasonable answer to me, exactly the kind what I wanted. Thanks!

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