in replay_buffer.py [0:0]
def make_replay_loader(replay_dir, max_size, batch_size, num_workers,
save_snapshot, nstep, discount):
max_size_per_worker = max_size // max(1, num_workers)
iterable = ReplayBuffer(replay_dir,
max_size_per_worker,
num_workers,
nstep,
discount,
fetch_every=1000,
save_snapshot=save_snapshot)
loader = torch.utils.data.DataLoader(iterable,
batch_size=batch_size,
num_workers=num_workers,
pin_memory=True,
worker_init_fn=_worker_init_fn)
return loader