# Spawned Processes with DDP

**URL:** <https://discuss.pytorch.org/t/spawned-processes-with-ddp/90526>\
**Category:** distributed\
**Created:** [July 25, 2020, 4:22pm UTC](https://discuss.pytorch.org/t/spawned-processes-with-ddp/90526 "2020-07-25T16:22:05Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![iffiX](https://discuss.pytorch.org/user_avatar/discuss.pytorch.org/iffix/32/24443_2.png) [@iffiX](https://discuss.pytorch.org/u/iffiX)\
**Post date:** [July 25, 2020, 4:44pm UTC](https://discuss.pytorch.org/t/spawned-processes-with-ddp/90526/2 "2020-07-25T16:44:17Z")

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See discussion [`torch.distributed.barrier` used in multi-node distributed data-parallel training](https://discuss.pytorch.org/t/torch-distributed-barrier-used-in-multi-node-distributed-data-parallel-training/89711/24)

For more detailed explainations, cc @mrshenli

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