tf.compat.v1.tpu.cross_replica_sum

Sum the input tensor across replicas according to group_assignment.

tf.compat.v1.tpu.cross_replica_sum(
    x, group_assignment=None, name=None
)

Args
`x`	The local tensor to the sum.
`group_assignment`	Optional 2d int32 lists with shape [num_groups, num_replicas_per_group]. `group_assignment[i]` represents the replica ids in the ith subgroup.
`name`	Optional op name.

Returns
A `Tensor` which is summed across replicas.

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Last updated 2021-08-16 UTC.

Args