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Broadcasts a tensor value to one or more other devices.

input A Tensor. Must be one of the following types: bool, float32, half, float64, int32, int64.
group_size A Tensor of type int32.
group_key A Tensor of type int32.
instance_key A Tensor of type int32.
communication_hint An optional string. Defaults to "auto".
timeout_seconds An optional float. Defaults to 0.
name A name for the operation (optional).

A Tensor. Has the same type as input.