tf.tpu.cross_replica_sum
Sum the input tensor across replicas according to group_assignment.
tf.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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Licensed under the Creative Commons Attribution License 3.0.
Code samples licensed under the Apache 2.0 License.
https://www.tensorflow.org/versions/r1.15/api_docs/python/tf/tpu/cross_replica_sum