tf.tpu.cross_replica_sum
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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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Last updated 2020-10-01 UTC.
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View source on GitHub