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Mojo function

apply_mask_kernel

def apply_mask_kernel[mask_t: MHAMask, ScoresLayoutType: TensorLayout, scores_origin: MutOrigin, VLLayoutType: TensorLayout, vl_origin: ImmutOrigin](output: TileTensor[DType.float32, ScoresLayoutType, scores_origin], valid_length: TileTensor[DType.uint32, VLLayoutType, vl_origin], mask: mask_t, max_num_keys: Int)

Apply causal mask to the output scores.