public _MultiWorkerIter(WorkerPool worker_pool, Func <NDArrayList, NDArrayList> batchify_fn,
BatchSampler batch_sampler,
bool pin_memory = false, int pin_device_id = 0, WorkerFn worker_fn = null,
int prefetch = 0, Dataset <NDArray> dataset = null, DataLoader data_loader = null)
{
_worker_pool = worker_pool;
_batchify_fn = batchify_fn;
_batch_sampler = batch_sampler;
_data_buffer = new Dictionary <int, NDArrayList>();
_rcvd_idx = 0;
_sent_idx = 0;
_iter = _batch_sampler.GetEnumerator();
_worker_fn = worker_fn;
_pin_memory = pin_memory;
_pin_device_id = pin_device_id;
_dataset = dataset;
_data_loader = data_loader;
foreach (var item in Enumerable.Range(0, prefetch))
{
PushNext();
}
}