Mojo function

block_reduce_sum_and_max

block_reduce_sum_and_max[dtype: DType, max_warps_per_block: Int](sum_val: Scalar[dtype], max_val: Scalar[dtype]) -> Tuple[Scalar[dtype], Scalar[dtype]]

Combined block reduction for sum and max in a single barrier pass.

Performs both sum and max reductions across the block using only 2 barriers (vs 4 for separate block.sum + block.max with broadcast).

Returns:

Tuple

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