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matmul's Introduction

Matmul

This is an experiment repo for writing fast matrix multiplication kernels on Metal.

Current speeds of a 4096x4096x4096 matmul on M1 Pro:

Naive: 6866 ms
Warp Coalesced: 635 ms
SMEM Tiled: 398 ms
1D Register Tiled: 240 ms
2D Register Tiled: 171 ms
SIMD: 41 ms
2D SIMD: 69 ms
SIMD Prefetch: 54 ms
MLX: 48 ms

The result of this exercise is a deep understanding of the kernels. This feeds into writing good compilers for Luminal.

matmul's People

Contributors

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Stargazers

Prince Fefar avatar Martin Mauch avatar Lukasz Stafiniak avatar Ankesh Bharti avatar Christopher Fleetwood avatar Hassan Hayat avatar

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Forkers

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