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Enable parallel training UT in GitHub CI. #1075

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Merged
amcadmus merged 4 commits into from
Sep 1, 2021
Merged

Enable parallel training UT in GitHub CI. #1075

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c8cb61c
Remove dupliated setting of `allow_growth` in trainer.
shishaochen Aug 31, 2021
5c8f18b
Make parallel training UT independent of its working folder.
shishaochen Aug 31, 2021
d38338f
Skip parallel-training tests when there is only 1 GPU card.
shishaochen Aug 31, 2021
4280000
Enable parallel training UT in GitHub CI.
shishaochen Aug 31, 2021
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5 changes: 5 additions & 0 deletions .github/workflows/test_python.yml
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Expand Up @@ -71,4 +71,9 @@ jobs:
CXX: g++-${{ matrix.gcc }}
TENSORFLOW_VERSION: ${{ matrix.tf }}
- run: dp --version
- name: Prepare parallel runtime
if: ${{ matrix.tf == '' }}
run: |
sudo apt install libopenmpi-dev openmpi-bin
HOROVOD_WITHOUT_GLOO=1 HOROVOD_WITH_TENSORFLOW=1 pip install horovod mpi4py
- run: pytest --cov=deepmd source/tests && codecov
1 change: 0 additions & 1 deletion deepmd/train/trainer.py
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Expand Up @@ -397,7 +397,6 @@ def _init_session(self):
config = get_tf_session_config()
device, idx = self.run_opt.my_device.split(":", 1)
if device == "gpu":
config.gpu_options.allow_growth = True
config.gpu_options.visible_device_list = idx
self.sess = tf.Session(config=config)

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7 changes: 5 additions & 2 deletions source/tests/test_parallel_training.py
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Expand Up @@ -18,9 +18,12 @@ def setUp(self):
def test_two_workers(self):
command = 'horovodrun -np 2 dp train -m workers ' + self.input_file
penv = os.environ.copy()
if len(get_gpus() or []) > 1:
num_gpus = len(get_gpus() or [])
if num_gpus > 1:
penv['CUDA_VISIBLE_DEVICES'] = '0,1'
popen = sp.Popen(command, shell=True, env=penv, stdout=sp.PIPE, stderr=sp.STDOUT)
elif num_gpus == 1:
raise unittest.SkipTest("At least 2 GPU cards are needed for parallel-training tests.")
popen = sp.Popen(command, shell=True, cwd=str(tests_path), env=penv, stdout=sp.PIPE, stderr=sp.STDOUT)
for line in iter(popen.stdout.readline, b''):
if hasattr(line, 'decode'):
line = line.decode('utf-8')
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