69 lines
2.1 KiB
Python
69 lines
2.1 KiB
Python
# Copyright (c) OpenMMLab. All rights reserved.
|
|
from unittest.mock import MagicMock, patch
|
|
|
|
import mmcv
|
|
import torch
|
|
import torch.nn as nn
|
|
from mmcv.parallel import (MMDataParallel, MMDistributedDataParallel,
|
|
is_module_wrapper)
|
|
|
|
from mmseg import digit_version
|
|
from mmseg.utils import build_ddp, build_dp
|
|
|
|
|
|
def mock(*args, **kwargs):
|
|
pass
|
|
|
|
|
|
class Model(nn.Module):
|
|
|
|
def __init__(self):
|
|
super().__init__()
|
|
self.conv = nn.Conv2d(2, 2, 1)
|
|
|
|
def forward(self, x):
|
|
return self.conv(x)
|
|
|
|
|
|
@patch('torch.distributed._broadcast_coalesced', mock)
|
|
@patch('torch.distributed.broadcast', mock)
|
|
@patch('torch.nn.parallel.DistributedDataParallel._ddp_init_helper', mock)
|
|
def test_build_dp():
|
|
model = Model()
|
|
assert not is_module_wrapper(model)
|
|
|
|
mmdp = build_dp(model, 'cpu')
|
|
assert isinstance(mmdp, MMDataParallel)
|
|
|
|
if torch.cuda.is_available():
|
|
mmdp = build_dp(model, 'cuda')
|
|
assert isinstance(mmdp, MMDataParallel)
|
|
|
|
if digit_version(mmcv.__version__) >= digit_version('1.5.0'):
|
|
from mmcv.device.mlu import MLUDataParallel
|
|
from mmcv.utils import IS_MLU_AVAILABLE
|
|
if IS_MLU_AVAILABLE:
|
|
mludp = build_dp(model, 'mlu')
|
|
assert isinstance(mludp, MLUDataParallel)
|
|
|
|
|
|
@patch('torch.distributed._broadcast_coalesced', mock)
|
|
@patch('torch.distributed.broadcast', mock)
|
|
@patch('torch.nn.parallel.DistributedDataParallel._ddp_init_helper', mock)
|
|
def test_build_ddp():
|
|
model = Model()
|
|
assert not is_module_wrapper(model)
|
|
|
|
if torch.cuda.is_available():
|
|
mmddp = build_ddp(
|
|
model, 'cuda', device_ids=[0], process_group=MagicMock())
|
|
assert isinstance(mmddp, MMDistributedDataParallel)
|
|
|
|
if digit_version(mmcv.__version__) >= digit_version('1.5.0'):
|
|
from mmcv.device.mlu import MLUDistributedDataParallel
|
|
from mmcv.utils import IS_MLU_AVAILABLE
|
|
if IS_MLU_AVAILABLE:
|
|
mluddp = build_ddp(
|
|
model, 'mlu', device_ids=[0], process_group=MagicMock())
|
|
assert isinstance(mluddp, MLUDistributedDataParallel)
|