destroy_process_group¶

paddle.distributed. destroy_process_group ( group=None ) [source]

Destroy a given group for communication

Parameters

group (Group, optional) – The group to be destroyed. All of process groups, including the default group, will be destroyed and the distributed environment will be deinitialized.

Returns : None

Warning

This API only supports the dygraph mode.

Examples

# required: distributed
import paddle
import paddle.distributed as dist

dist.init_parallel_env()
group = dist.new_group([0, 1])

dist.destroy_process_group(group)
print(dist.is_initialized())
# True
dist.destroy_process_group()
print(dist.is_initialized())
# False