- class torchdata.dataloader2.DistributedReadingService(timeout: int = 1800)¶
DistributedReadingSerivcehandles distributed sharding on the graph of
DataPipeand guarantee the randomness by sharing the same seed across the distributed processes.
timeout – Timeout for operations executed against the process group in seconds. Default value equals 30 minutes.
- finalize() None ¶
Clean up the distributed process group.
- initialize(datapipe: Union[IterDataPipe, MapDataPipe]) Union[IterDataPipe, MapDataPipe] ¶
gloo-backend distributed process group. Carries out distributed sharding on the graph of
DataPipeand returnes the graph attached with a
FullSyncIterDataPipeat the end.
- initialize_iteration() None ¶
Shares the same seed from rank 0 to other ranks across the distributed processes and apply the random seed to the