ps.py 文件源码

def _set_variable_and_publish(self, sess, iteration_id, transaction_id,
                                  group_id):
        # v = variable
        # s = v.to_proto().SerializeToString()
        # h = ':'.join('{:02x}'.format(ord(c)) for c in s)

        variable_names = [var.op.name for var in self.variables]

        g = sess.graph
        g_def = g.as_graph_def()
        constants = graph_util.convert_variables_to_constants(
            sess, g_def, variable_names)
        s = constants.SerializeToString()

        parallel_count = self.infra_info['parallel_count']
        self.rc.set(transaction_id, s)
        message = json.dumps({
            'key': 'set_variable',
            'transaction_id': transaction_id,
            'group_id': group_id,
            'variables': variable_names,
            'worker_id': self.worker_id,
            'train_id': self.train_id,
            'iteration_id': iteration_id,
            'parallel_count': parallel_count
        })
        self.r.publish(channel=channel, message=message)
        log.debug('pub %s' % iteration_id)
        return len(s)