Add the Phi 3.5 MoE model #2460
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The Phi 3.5 MoE model is a ~42B parameter model with 16 experts, using 2 active.
This PR implements the model and provides a simple inference example.
Additionally, this PR adds a
layersmodule tocandle_transformers. Perhaps we can use this to store useful layers, such as Phi 3 or Llama RoPE. In particular, the Phi 3 RoPE implementation has been added. This is currently only used in the MoE model, but I was wondering if we could also use this in the regular Phi 3 model?