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Libraries for working with metrics in federated learning algorithms.
Classes
class NumBatchesCounter: A tf.keras.metrics.Metric that counts the number of batches seen.
class NumExamplesCounter: A tf.keras.metrics.Metric that counts the number of examples seen.
class SecureSumFactory: Aggregation Factory that performs secure summation over metrics.
class SumThenFinalizeFactory: Aggregation Factory that sums and then finalizes the metrics.
Functions
create_default_secure_sum_quantization_ranges(...): Create a nested structure of quantization ranges for secure sum encoding.
create_functional_metric_fns(...): Turn a Keras metric construction method into a tuple of pure functions.
create_keras_metric_finalizer(...): Creates a finalizer function for the given Keras metric.
secure_sum_then_finalize(...): Creates a TFF computation that aggregates metrics using secure summation.
sum_then_finalize(...): Creates a TFF computation that aggregates metrics via sum_then_finalize.