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# Copyright 2019-present NAVER Corp.
# CC BY-NC-SA 3.0
# Available only for non-commercial use
import os, pdb # , shutil
import numpy as np
import torch
def mkdir_for(file_path):
os.makedirs(os.path.split(file_path)[0], exist_ok=True)
def model_size(model):
"""Computes the number of parameters of the model"""
size = 0
for weights in model.state_dict().values():
size += np.prod(weights.shape)
return size
def torch_set_gpu(gpus):
if type(gpus) is int:
gpus = [gpus]
cuda = all(gpu >= 0 for gpu in gpus)
if cuda:
os.environ["CUDA_VISIBLE_DEVICES"] = ",".join([str(gpu) for gpu in gpus])
assert cuda and torch.cuda.is_available(), "%s has GPUs %s unavailable" % (
os.environ["HOSTNAME"],
os.environ["CUDA_VISIBLE_DEVICES"],
)
torch.backends.cudnn.benchmark = True # speed-up cudnn
torch.backends.cudnn.fastest = True # even more speed-up?
print("Launching on GPUs " + os.environ["CUDA_VISIBLE_DEVICES"])
else:
print("Launching on CPU")
return cuda