For the complete documentation index, see llms.txt. Markdown versions of all pages are available by appending .md to any URL (e.g. /max/get-started.md).
Mojo function
block_prefix_sum
def block_prefix_sum[dtype: DType, //, num_elements: Int](_val: Scalar[dtype]) -> Scalar[dtype]
Performs a prefix sum (scan) operation across all threads in a block.
Parameters:
- dtype (
DType): Element type of the values being scanned (inferred). - num_elements (
Int): Number of active threads in the block that contribute values to the scan.
Args:
- _val (
Scalar[dtype]): The per-thread value to contribute to the inclusive prefix sum.
Returns:
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