18 lines
714 B
Python
18 lines
714 B
Python
"""Wrapper of the multiprocessing module for multi-GPU training."""
|
|
|
|
# To avoid duplicating the graph structure for node classification or link prediction
|
|
# training we recommend using fork() rather than spawn() for multiple GPU training.
|
|
# However, we need to work around https://github.com/pytorch/pytorch/issues/17199 to
|
|
# make fork() and openmp work together.
|
|
from .. import backend as F
|
|
|
|
if F.get_preferred_backend() == "pytorch":
|
|
# Wrap around torch.multiprocessing...
|
|
from torch.multiprocessing import *
|
|
|
|
# ... and override the Process initializer.
|
|
from .pytorch import *
|
|
else:
|
|
# Just import multiprocessing module.
|
|
from multiprocessing import * # pylint: disable=redefined-builtin
|