o ci@s:ddlmZmZddlZddlmZeGdddZdS))AnyTupleN) OldAPIStackc @sJeZdZdZ ddejdedededef dd Zd e e e ffd d Z d S)MinibatchBufferzkRing buffer of recent data batches for minibatch SGD. This is for use with AsyncSamplesOptimizer. inqueuesizetimeout num_passesinit_num_passescCs@||_||_||_||_||_dg||_dg||_d|_dS)aInitialize a minibatch buffer. Args: inqueue (queue.Queue): Queue to populate the internal ring buffer from. size: Max number of data items to buffer. timeout: Queue timeout num_passes: Max num times each data item should be emitted. init_num_passes: Initial passes for each data item. Maxiumum number of passes per item are increased to num_passes over time. Nr)rrr max_initial_ttlcur_initial_ttlbuffersttlidx)selfrrr r r rX/home/ubuntu/.local/lib/python3.10/site-packages/ray/rllib/execution/minibatch_buffer.py__init__s   zMinibatchBuffer.__init__returncCs|j|jdkr(|jj|jd|j|j<|j|j|j<|j|jkr(|jd7_|j|j}|j|jd8<|j|jdk}|rHd|j|j<|jdt|j|_||fS)zGet a new batch from the internal ring buffer. Returns: buf: Data item saved from inqueue. released: True if the item is now removed from the ring buffer. r)r rN) rrrgetr rr r len)rbufreleasedrrrr+s   zMinibatchBuffer.getN)r) __name__ __module__ __qualname____doc__queueQueueintfloatrrrboolrrrrrrs  r)typingrrrray.rllib.utils.annotationsrrrrrrs