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tf.distribute.experimental.rpc.Server

A Server base class for accepting RPCs for registered tf.functions.

Functions can be registered on the server and are exposed via RPCs.

Methods

create

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Create TF RPC server at given address.

Args
rpc_layer Communication layer between client and server. Only "grpc" rpc layer is supported at the moment.
address Address where RPC server is hosted.

Returns
An instance of tf.distribute.experimental.rpc.Server class.

Raises
A ValueError if rpc_layer other than "grpc" is used. Only GRPC is supported at the moment.

Example usage:

import portpicker
@tf.function(input_signature=[
     tf.TensorSpec([], tf.int32),
     tf.TensorSpec([], tf.int32)])
def remote_fn(a, b):
  return tf.add(a, b)
port = portpicker.pick_unused_port()
address = "localhost:{}".format(port)
server = tf.distribute.experimental.rpc.Server.create("grpc", address)
server.register("addition", remote_fn)
server.start()

register

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Method for registering tf.function on server.

Registered methods can be invoked remotely from clients.

Args
method_name Name of the tf.function. Clients use this method_name to make RPCs.
func A tf.function or ConcreteFunction to register.

start

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Starts the RPC server on provided address.

Server listens for new requests from client, once it is started.