search.py 文件源码

def _traces(self, *args, **kwargs):
        """
        algorithm entered here
        Running until the queue is empty and collecting the marginal histogram
        is performing exact inference

        :returns: Iterator of traces from the posterior.
        :rtype: Generator[:class:`pyro.Trace`]
        """
        # currently only using the standard library queue
        self.queue = Queue()
        self.queue.put(poutine.Trace())

        p = poutine.trace(
            poutine.queue(self.model, queue=self.queue, max_tries=self.max_tries))
        while not self.queue.empty():
            tr = p.get_trace(*args, **kwargs)
            yield (tr, tr.log_pdf())