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For the complete Mojo documentation index, see llms.txt. Markdown versions of all pages are available by appending .md to any URL (e.g. /docs/manual/basics.md).

ballot

ballot[dtype: DType](value: Bool) -> Scalar[dtype]

Returns a bitfield(Int32 or Int64) containing the result of its Bool argument in all active lanes, and zero in all inactive lanes. For example, ballot(True) returns EXEC mask.

Parameters:

  • ​dtype (DType): The DType of the return type.

Args:

  • ​value (Bool): The value to place across the mask.

Returns:

Scalar[dtype]: A bitfield(Int32 or Int64) containing the result of its Bool argument in all active lanes.