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Mojo function

block_reduce_dual_sum

def block_reduce_dual_sum[dtype: DType, max_warps_per_block: Int](val0: Scalar[dtype], val1: Scalar[dtype]) -> Tuple[Scalar[dtype], Scalar[dtype]]

Combined block reduction for two sums using only 2 barriers.

Returns:

Tuple[Scalar[dtype], Scalar[dtype]]