Rooba
/
lightning
mirror of https://github.com/Lightning-AI/lightning.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

added single node distdataparallel

This commit is contained in:
William Falcon 2019-07-03 15:17:02 -04:00
parent ac57dac235
commit b9f581ab87
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
pytorch_lightning/models/trainer.py
View File

@ -282,11 +282,12 @@ class Trainer(TrainerIO):
# when GPU is called, spawn off a single worker for each gpu
if self.on_gpu:
rank = 0
mp.spawn(self.__dp_train, nprocs=len(self.data_parallel_device_ids), args=(rank, model ))
self.model = model
mp.spawn(self.__dp_train, nprocs=len(self.data_parallel_device_ids), args=(rank))
else:
self.__run_pretrain_routine(model)
def __dp_train(self, gpu_nb, proc_rank, model):
def __dp_train(self, gpu_nb, proc_rank):
"""
Entry point into a DP thread
:param gpu_nb: