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Indicates when a distributed variable will be synced.
AUTO
: Indicates that the synchronization will be determined by the current DistributionStrategy
(eg. With MirroredStrategy
this would be ON_WRITE
).NONE
: Indicates that there will only be one copy of the variable, so there is no need to sync.ON_WRITE
: Indicates that the variable will be updated across devices every time it is written.ON_READ
: Indicates that the variable will be aggregated across devices when it is read (eg. when checkpointing or when evaluating an op that uses the variable).Class Variables | |
---|---|
AUTO | tf.VariableSynchronization |
NONE | tf.VariableSynchronization |
ON_READ | tf.VariableSynchronization |
ON_WRITE | tf.VariableSynchronization |
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https://www.tensorflow.org/versions/r2.4/api_docs/python/tf/VariableSynchronization