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Add some fast Metal MLX SDPA kernels #2584

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Add some fast Metal MLX SDPA kernels #2584

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Commits on Oct 29, 2024

  1. Add some fast Metal MLX SDPA kernels (#32) 

    * Sketch the sdpa kernel

* Add full sdpa kernel,

* Add test

* Add vectorized kernel for decoding

* Update tests

* Add some docs

* Fix sdpa_vector names

* Add softcapping for vectorized sdpa

* Add softcapping for full sdpa

* Add support for head dim 32, 96, 256

* Add support for head dim 32, 96, 256

* Update docs

* Add update notice

* Clippy and format
    @EricLBuehler
    EricLBuehler committed Oct 29, 2024
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  2. Conditional compilation for bf16

    @EricLBuehler
    EricLBuehler committed Oct 29, 2024
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