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Chen Fu authored and GitHub committed 26b396418d7
Block-wise 4b quantization matmul operator change (#18172) ### Description Replace block-wise 4b quantization implementation ### Motivation and Context In https://github.com/microsoft/onnxruntime/pull/18101 we have an augmented block-wise 4b quantization interface and implementation. Here we use this new implementation in onnxruntime contrib ops --------- Co-authored-by: Edward Chen <18449977+edgchen1@users.noreply.github.com>