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hjups22 t1_j3lk4e5 wrote

Reply to comment by qiltb in Building a 4x 3090 machine learning machine. Would love some feedback on my build. by soupstock123

Could you elaborate on what you mean by that?
The advantage of NVLink is gradient / weight communication, which is independent of image size.

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qiltb t1_j3mmcca wrote

Sorry, I referred explicitly to the the last paragraph of yours (that it's quick for small models)

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hjups22 t1_j3nqeim wrote

Then I agree. If you are doing ResNet inference on 8K images, then it will probably be quite slow. However 8K segmentation will probably be even slower (the point of comparison that I was thinking of).
Also, when you get to large images, I suspect the PCIe will become a bottleneck (sending data to the GPUs), which will not be helped by the setup described by the OP.

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