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by iamtrask
4218 days ago
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Precisely! I highly encourage checking out the slide-deck for a graphical representation. For every node in every other layer, I colocate the edge on the same machine. In this way, when a group of, say, 10 nodes in layer 1 are each sending a weighted message to a single node in layer 2... they can pre-combine their messages (weighted sum) and send only that value over the network. This happens for every node in the second layer, reducing network i/o (this is the first optimization). |
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