Files
2026-07-13 13:35:51 +08:00

91 lines
2.1 KiB
Python

import csv
import re
from collections import OrderedDict
import numpy as np
import torch as th
import torch.nn as nn
import torch.optim as optim
class MetricLogger(object):
def __init__(self, attr_names, parse_formats, save_path):
self._attr_format_dict = OrderedDict(zip(attr_names, parse_formats))
self._file = open(save_path, "w")
self._csv = csv.writer(self._file)
self._csv.writerow(attr_names)
self._file.flush()
def log(self, **kwargs):
self._csv.writerow(
[
parse_format % kwargs[attr_name]
for attr_name, parse_format in self._attr_format_dict.items()
]
)
self._file.flush()
def close(self):
self._file.close()
def torch_total_param_num(net):
return sum([np.prod(p.shape) for p in net.parameters()])
def torch_net_info(net, save_path=None):
info_str = (
"Total Param Number: {}\n".format(torch_total_param_num(net))
+ "Params:\n"
)
for k, v in net.named_parameters():
info_str += "\t{}: {}, {}\n".format(k, v.shape, np.prod(v.shape))
info_str += str(net)
if save_path is not None:
with open(save_path, "w") as f:
f.write(info_str)
return info_str
def get_activation(act):
"""Get the activation based on the act string
Parameters
----------
act: str or callable function
Returns
-------
ret: callable function
"""
if act is None:
return lambda x: x
if isinstance(act, str):
if act == "leaky":
return nn.LeakyReLU(0.1)
elif act == "relu":
return nn.ReLU()
elif act == "tanh":
return nn.Tanh()
elif act == "sigmoid":
return nn.Sigmoid()
elif act == "softsign":
return nn.Softsign()
else:
raise NotImplementedError
else:
return act
def get_optimizer(opt):
if opt == "sgd":
return optim.SGD
elif opt == "adam":
return optim.Adam
else:
raise NotImplementedError
def to_etype_name(rating):
return str(rating).replace(".", "_")