def __init__(self,
models,
lr,
args,
momentum=0,
dampening=0,
alpha=0.99,
eps=1e-8,
bn=False,
weight_decay=0,
nesterov=False):
gSGD_RMSprop_method.__init__(self, args=args)
self.models = models
# print([(x[0], x[1].shape )for x in list(models.named_parameters())])
self.lr_0 = self.lr_t = lr
self.params = list(models.parameters())
self.args = args
# self.momentum = momentum
self.alpha = alpha
self.eps = eps
# self.momentum_buffer = {}
self.square_avg = {'cnn': [], 'mlp': []}
self.bn = bn
if self.bn == False:
assert self.args.rmsprop_method == 'noweight'
self.ec_layer = self.cal_ec_layer()
self.mask = self.cal_mask(models)
self.cal_internal_optim()
self.internal_optim.cal_ec_layer(self.ec_layer)
self.init_square_avg()
def __init__(self,
models,
lr,
args,
betas=(0.9, 0.99),
eps=1e-8,
bn=False,
weight_decay=0,
nesterov=False):
gSGD_Adam_method.__init__(self, args=args)
self.models = models
# print([(x[0], x[1].shape )for x in list(models.named_parameters())])
self.lr_0 = self.lr_t = lr
self.params = list(models.parameters())
self.args = args
# self.momentum = momentum
self.betas = betas
self.beta1, self.beta2 = self.betas
self.eps = eps
# self.momentum_buffer = {}
self.exp_avg = {'cnn': [], 'mlp': []}
self.exp_avg_sq = {'cnn': [], 'mlp': []}
self.bn = bn
if self.bn == False:
assert self.args.adam_method == 'noweight'
self.ec_layer = self.cal_ec_layer()
self.mask = self.cal_mask()
self.cal_internal_optim()
self.internal_optim.cal_ec_layer(self.ec_layer)
self.init_exp_avg()
self.init_exp_avg_sq()
self.itr_num = 0
def __init__(self, models, lr, args, momentum=0.0, bn=False,
weight_decay=0, nesterov=False):
gSGD_SGD_method.__init__(self, args=args)
self.models = models
self.lr_0 = self.lr_t = lr
self.params = list(models.parameters())
self.args = args
# self.momentum = momentum
self.momentum = momentum
# self.momentum_buffer = {}
self.exp_avg = {'cnn': [],
'mlp': []}
self.exp_avg_sq = {'cnn': [],
'mlp': []}
self.bn = bn
self.weight_decay = weight_decay
if self.bn == False:
assert self.args.adam_method == 'noweight'
self.ec_layer = self.cal_ec_layer()
self.mask = self.cal_mask()
self.cal_internal_optim()
self.internal_optim.cal_ec_layer(self.ec_layer)
self.init_exp_avg()
self.itr_num = 0
def children_and_parameters(m: nn.Module):
"Return the children of `m` and its direct parameters not registered in modules."
children = list(m.children())
children_p = sum([[id(p) for p in c.parameters()] for c in m.children()],
[])
for p in m.parameters():
if id(p) not in children_p:
children.append(ParameterModule(p))
return children
def __init__(self,
models,
lr,
args,
momentum=0,
dampening=0,
weight_decay=0,
nesterov=False):
self.models = models
self.lr_0 = self.lr_t = lr
self.params = list(models.parameters())
self.args = args
# if args.opt == 'ec':
self.mask, self.s_mask_idx, self.s_mask_idx_shape = self.cal_mask(
models)
self.cal_internal_optim()
def __init__(self,
models,
lr,
args,
momentum=0,
dampening=0,
weight_decay=0,
nesterov=False):
gSGD_method.__init__(self, args=args)
self.models = models
# print([(x[0], x[1].shape )for x in list(models.named_parameters())])
self.lr_0 = self.lr_t = lr
self.params = list(models.parameters())
self.args = args
self.ec_layer = self.cal_ec_layer()
self.mask = self.cal_mask(models)
self.cal_internal_optim()
self.internal_optim.cal_ec_layer(self.ec_layer)
idx = int(generated_caption[i][0])
caption.append(vocabulary.itos[idx])
return caption
if __name__ == "__main__":
train_dataloader = torch.load("train_dataloader.pt")
test_dataloader = torch.load("test_dataloader.pt")
train_dataset = torch.load("train_dataset.pt")
test_dataset = torch.load("test_dataset.pt")
# Hyper-Parameters
embed_size = 256
hidden_size = 256
vocab_size = len(train_dataset.vocab)
num_layers = 1
learning_rate = 3e-4
if torch.cuda.is_available():
device = "cuda"
else:
device = "cpu"
# initialize model, loss etc
model = ImageToCaption(embed_size, hidden_size, vocab_size, num_layers).to(device)
criterion = nn.CrossEntropyLoss(ignore_index=train_dataset.vocab.stoi["<PAD>"])
optimizer = optim.Adam(model.parameters(), lr=learning_rate)
step = load_checkpoint(torch.load("saved_checkpoint.pt"), model, optimizer)
print_caption(model, device, train_dataset)
totalSample_train = len(batchHelper_train._label)
rHC_val = RandomHandClass.RandomHandClass()
rHC_val.readAllDatabase("./ClassImage_val")
batchHelper_val = BatchHelper.BatchHelp(rHC_val.ImageAll, rHC_val.labelAll)
totalSample_val = len(batchHelper_val._label)
rHC_test = RandomHandClass.RandomHandClass()
rHC_test.readAllDatabase("./ClassImage_test")
batchHelper_test = BatchHelper.BatchHelp(rHC_test.ImageAll,
rHC_test.labelAll)
totalSample_test = len(batchHelper_test._label)
criterion = nn.NLLLoss()
optimizer = optim.Adam(models.parameters(),
lr=0.0001) # apply optimizer to model
ACC = 0
ACC_Max_val = 0
Average_ACC_val = 0
ACC_Max_test = 0
Average_ACC_test = 0
#check folder model is exist.
if not os.path.exists("./{}".format(FolderSaveModel)):
os.mkdir("./{}".format(FolderSaveModel))
print("totalTime per epoach {}".format(int(totalSample_train /
batch_size)))
for y in range(num_epochs):
models.train()
import matplotlib.pyplot as plt
import torch
from torch import nn
from torch import optim
import torch.nn.functional as F
from torchvision import datasets, transforms, models
device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
models = models.resnet50(pretrained=True)
# Turn off gradient for our models
for param in models.parameters():
param.requires_grad = False
model.fc = classifier
criterion = nn.NLLLoss()
optimizer = optim.Adam(model.fc.parameters(), lr=0.003)
model.to(device)
epochs = 1
steps = 0
running_loss = 0
print_every = 5
for epoch in range(epochs):
for images, labels in trainloader:
steps += 1
optimizer = torch.optim.Adam(
model.parameters(),
lr=args.lr) #, weight_decay=args.weight_decay, momentum=args.momentum)
print(model)
if args.model == 'SimpleNet':
print(model)
params_to_optimize = []
backprop_depth = 5
# List of modules in the network
mods = list(model.features.children()) + list(model.classifier.children())
# Extract parameters from the last `backprop_depth` modules in the network and collect them in
# the params_to_optimize list.
for m in mods[::-1][:backprop_depth]:
params_to_optimize.extend(list(m.parameters()))
optimizer = torch.optim.Adam(
params=params_to_optimize,
lr=args.lr) #, weight_decay=args.weight_decay, momentum=args.momentum)
def train(epoch):
'''
Train the model for one epoch.
'''
# Some models use slightly different forward passes and train and test
# time (e.g., any model with Dropout). This puts the model in train mode
# (as opposed to eval mode) so it knows which one to use.
model.train()
# train loop
def set_grad(m, b):
if isinstance(m, (nn.Linear, nn.BatchNorm2d)):
return
if hasattr(m, "weight"):
for p in m.parameters():
p.requires_grad_(b)
def freez(self, model, freez=True):
if freez == True:
for para in model.parameters():
para.requires_grad = False
totalSample_train = len(batchHelper_train._label)
rHC_val = RandomHandClass.RandomHandClass()
rHC_val.readAllDatabase("./ClassImage_val")
batchHelper_val = BatchHelper.BatchHelp(rHC_val.ImageAll,rHC_val.labelAll)
totalSample_val = len(batchHelper_val._label)
rHC_test = RandomHandClass.RandomHandClass()
rHC_test.readAllDatabase("./ClassImage_test")
batchHelper_test = BatchHelper.BatchHelp(rHC_test.ImageAll,rHC_test.labelAll)
totalSample_test = len(batchHelper_test._label)
criterion = nn.NLLLoss()
optimizer = optim.Adam(models.parameters(), lr=0.0001) # apply optimizer to model
ACC = 0
ACC_Max_val = 0
Average_ACC_val = 0
ACC_Max_test = 0
Average_ACC_test = 0
print("totalTime per epoach {}".format(int(totalSample_train/batch_size)))
for y in range(num_epochs):
models.train()
ACC = 0
batchHelper_train.resetIndex()
while batchHelper_train._epochs_completed == 0:
input_image,labelImage = batchHelper_train.next_batch(batch_size,True)
# for i in range(int(totalSample/batch_size)):
