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fixed root node addr

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This commit is contained in:
William Falcon
2019-07-25 11:05:15 -04:00
parent 09dba13cde
commit 0e42d28415
1 changed files with 12 additions and 12 deletions
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pytorch_lightning/models/trainer.py
+12 -12
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@@ -544,25 +544,25 @@ class Trainer(TrainerIO):
os.environ['MASTER_PORT'] = f'{port}'
# figure out the root node addr
root_node = os.environ['SLURM_NODELIST'].split(' ')[0]
try:
root_node = os.environ['SLURM_NODELIST'].split(' ')[0]
except Exception as e:
root_node = '127.0.0.2'
root_node = self.resolve_root_node_address(root_node)
os.environ['MASTER_ADDR'] = root_node
dist.init_process_group("nccl", rank=self.proc_rank, world_size=self.world_size)
def resolve_root_node_address(self, root_node):
try:
if '[' in root_node:
name = root_node.split('[')[0]
number = root_node.split(',')[0]
if '-' in number:
number = number.split('-')[0]
if '[' in root_node:
name = root_node.split('[')[0]
number = root_node.split(',')[0]
if '-' in number:
number = number.split('-')[0]
number = re.sub('[^0-9]', '', number)
root_node = name + number
except Exception as e:
root_node = '127.0.0.2'
number = re.sub('[^0-9]', '', number)
root_node = name + number
return root_node