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Update q-config and black for procedures/utils

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D-X-Y
2021-03-07 03:09:47 +00:00
parent 349d9fcc9f
commit 55c9734c31
22 changed files with 1938 additions and 1390 deletions
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43
lib/procedures/__init__.py
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@@ -1,25 +1,36 @@
##################################################
# Copyright (c) Xuanyi Dong [GitHub D-X-Y], 2019 #
##################################################
from .starts import prepare_seed, prepare_logger, get_machine_info, save_checkpoint, copy_checkpoint
from .starts import prepare_seed
from .starts import prepare_logger
from .starts import get_machine_info
from .starts import save_checkpoint
from .starts import copy_checkpoint
from .optimizers import get_optim_scheduler
from .funcs_nasbench import evaluate_for_seed as bench_evaluate_for_seed
from .funcs_nasbench import pure_evaluate as bench_pure_evaluate
from .funcs_nasbench import get_nas_bench_loaders
def get_procedures(procedure):
from .basic_main import basic_train, basic_valid
from .search_main import search_train, search_valid
from .search_main_v2 import search_train_v2
from .simple_KD_main import simple_KD_train, simple_KD_valid
train_funcs = {'basic' : basic_train, \
'search': search_train,'Simple-KD': simple_KD_train, \
'search-v2': search_train_v2}
valid_funcs = {'basic' : basic_valid, \
'search': search_valid,'Simple-KD': simple_KD_valid, \
'search-v2': search_valid}
train_func = train_funcs[procedure]
valid_func = valid_funcs[procedure]
return train_func, valid_func
def get_procedures(procedure):
from .basic_main import basic_train, basic_valid
from .search_main import search_train, search_valid
from .search_main_v2 import search_train_v2
from .simple_KD_main import simple_KD_train, simple_KD_valid
train_funcs = {
"basic": basic_train,
"search": search_train,
"Simple-KD": simple_KD_train,
"search-v2": search_train_v2,
}
valid_funcs = {
"basic": basic_valid,
"search": search_valid,
"Simple-KD": simple_KD_valid,
"search-v2": search_valid,
}
train_func = train_funcs[procedure]
valid_func = valid_funcs[procedure]
return train_func, valid_func

139
lib/procedures/basic_main.py
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@@ -3,73 +3,100 @@
##################################################
import os, sys, time, torch
from log_utils import AverageMeter, time_string
from utils import obtain_accuracy
from utils import obtain_accuracy
def basic_train(xloader, network, criterion, scheduler, optimizer, optim_config, extra_info, print_freq, logger):
loss, acc1, acc5 = procedure(xloader, network, criterion, scheduler, optimizer, 'train', optim_config, extra_info, print_freq, logger)
return loss, acc1, acc5
loss, acc1, acc5 = procedure(
xloader, network, criterion, scheduler, optimizer, "train", optim_config, extra_info, print_freq, logger
)
return loss, acc1, acc5
def basic_valid(xloader, network, criterion, optim_config, extra_info, print_freq, logger):
with torch.no_grad():
loss, acc1, acc5 = procedure(xloader, network, criterion, None, None, 'valid', None, extra_info, print_freq, logger)
return loss, acc1, acc5
with torch.no_grad():
loss, acc1, acc5 = procedure(
xloader, network, criterion, None, None, "valid", None, extra_info, print_freq, logger
)
return loss, acc1, acc5
def procedure(xloader, network, criterion, scheduler, optimizer, mode, config, extra_info, print_freq, logger):
data_time, batch_time, losses, top1, top5 = AverageMeter(), AverageMeter(), AverageMeter(), AverageMeter(), AverageMeter()
if mode == 'train':
network.train()
elif mode == 'valid':
network.eval()
else: raise ValueError("The mode is not right : {:}".format(mode))
#logger.log('[{:5s}] config :: auxiliary={:}, message={:}'.format(mode, config.auxiliary if hasattr(config, 'auxiliary') else -1, network.module.get_message()))
logger.log('[{:5s}] config :: auxiliary={:}'.format(mode, config.auxiliary if hasattr(config, 'auxiliary') else -1))
end = time.time()
for i, (inputs, targets) in enumerate(xloader):
if mode == 'train': scheduler.update(None, 1.0 * i / len(xloader))
# measure data loading time
data_time.update(time.time() - end)
# calculate prediction and loss
targets = targets.cuda(non_blocking=True)
if mode == 'train': optimizer.zero_grad()
features, logits = network(inputs)
if isinstance(logits, list):
assert len(logits) == 2, 'logits must has {:} items instead of {:}'.format(2, len(logits))
logits, logits_aux = logits
data_time, batch_time, losses, top1, top5 = (
AverageMeter(),
AverageMeter(),
AverageMeter(),
AverageMeter(),
AverageMeter(),
)
if mode == "train":
network.train()
elif mode == "valid":
network.eval()
else:
logits, logits_aux = logits, None
loss = criterion(logits, targets)
if config is not None and hasattr(config, 'auxiliary') and config.auxiliary > 0:
loss_aux = criterion(logits_aux, targets)
loss += config.auxiliary * loss_aux
if mode == 'train':
loss.backward()
optimizer.step()
raise ValueError("The mode is not right : {:}".format(mode))
# record
prec1, prec5 = obtain_accuracy(logits.data, targets.data, topk=(1, 5))
losses.update(loss.item(), inputs.size(0))
top1.update (prec1.item(), inputs.size(0))
top5.update (prec5.item(), inputs.size(0))
# measure elapsed time
batch_time.update(time.time() - end)
# logger.log('[{:5s}] config :: auxiliary={:}, message={:}'.format(mode, config.auxiliary if hasattr(config, 'auxiliary') else -1, network.module.get_message()))
logger.log(
"[{:5s}] config :: auxiliary={:}".format(mode, config.auxiliary if hasattr(config, "auxiliary") else -1)
)
end = time.time()
for i, (inputs, targets) in enumerate(xloader):
if mode == "train":
scheduler.update(None, 1.0 * i / len(xloader))
# measure data loading time
data_time.update(time.time() - end)
# calculate prediction and loss
targets = targets.cuda(non_blocking=True)
if i % print_freq == 0 or (i+1) == len(xloader):
Sstr = ' {:5s} '.format(mode.upper()) + time_string() + ' [{:}][{:03d}/{:03d}]'.format(extra_info, i, len(xloader))
if scheduler is not None:
Sstr += ' {:}'.format(scheduler.get_min_info())
Tstr = 'Time {batch_time.val:.2f} ({batch_time.avg:.2f}) Data {data_time.val:.2f} ({data_time.avg:.2f})'.format(batch_time=batch_time, data_time=data_time)
Lstr = 'Loss {loss.val:.3f} ({loss.avg:.3f}) Prec@1 {top1.val:.2f} ({top1.avg:.2f}) Prec@5 {top5.val:.2f} ({top5.avg:.2f})'.format(loss=losses, top1=top1, top5=top5)
Istr = 'Size={:}'.format(list(inputs.size()))
logger.log(Sstr + ' ' + Tstr + ' ' + Lstr + ' ' + Istr)
if mode == "train":
optimizer.zero_grad()
logger.log(' **{mode:5s}** Prec@1 {top1.avg:.2f} Prec@5 {top5.avg:.2f} Error@1 {error1:.2f} Error@5 {error5:.2f} Loss:{loss:.3f}'.format(mode=mode.upper(), top1=top1, top5=top5, error1=100-top1.avg, error5=100-top5.avg, loss=losses.avg))
return losses.avg, top1.avg, top5.avg
features, logits = network(inputs)
if isinstance(logits, list):
assert len(logits) == 2, "logits must has {:} items instead of {:}".format(2, len(logits))
logits, logits_aux = logits
else:
logits, logits_aux = logits, None
loss = criterion(logits, targets)
if config is not None and hasattr(config, "auxiliary") and config.auxiliary > 0:
loss_aux = criterion(logits_aux, targets)
loss += config.auxiliary * loss_aux
if mode == "train":
loss.backward()
optimizer.step()
# record
prec1, prec5 = obtain_accuracy(logits.data, targets.data, topk=(1, 5))
losses.update(loss.item(), inputs.size(0))
top1.update(prec1.item(), inputs.size(0))
top5.update(prec5.item(), inputs.size(0))
# measure elapsed time
batch_time.update(time.time() - end)
end = time.time()
if i % print_freq == 0 or (i + 1) == len(xloader):
Sstr = (
" {:5s} ".format(mode.upper())
+ time_string()
+ " [{:}][{:03d}/{:03d}]".format(extra_info, i, len(xloader))
)
if scheduler is not None:
Sstr += " {:}".format(scheduler.get_min_info())
Tstr = "Time {batch_time.val:.2f} ({batch_time.avg:.2f}) Data {data_time.val:.2f} ({data_time.avg:.2f})".format(
batch_time=batch_time, data_time=data_time
)
Lstr = "Loss {loss.val:.3f} ({loss.avg:.3f}) Prec@1 {top1.val:.2f} ({top1.avg:.2f}) Prec@5 {top5.val:.2f} ({top5.avg:.2f})".format(
loss=losses, top1=top1, top5=top5
)
Istr = "Size={:}".format(list(inputs.size()))
logger.log(Sstr + " " + Tstr + " " + Lstr + " " + Istr)
logger.log(
" **{mode:5s}** Prec@1 {top1.avg:.2f} Prec@5 {top5.avg:.2f} Error@1 {error1:.2f} Error@5 {error5:.2f} Loss:{loss:.3f}".format(
mode=mode.upper(), top1=top1, top5=top5, error1=100 - top1.avg, error5=100 - top5.avg, loss=losses.avg
)
)
return losses.avg, top1.avg, top5.avg

499
lib/procedures/funcs_nasbench.py
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@@ -5,199 +5,348 @@ import os, time, copy, torch, pathlib
import datasets
from config_utils import load_config
from procedures import prepare_seed, get_optim_scheduler
from utils import get_model_infos, obtain_accuracy
from log_utils import AverageMeter, time_string, convert_secs2time
from models import get_cell_based_tiny_net
from procedures import prepare_seed, get_optim_scheduler
from utils import get_model_infos, obtain_accuracy
from log_utils import AverageMeter, time_string, convert_secs2time
from models import get_cell_based_tiny_net
__all__ = ['evaluate_for_seed', 'pure_evaluate', 'get_nas_bench_loaders']
__all__ = ["evaluate_for_seed", "pure_evaluate", "get_nas_bench_loaders"]
def pure_evaluate(xloader, network, criterion=torch.nn.CrossEntropyLoss()):
data_time, batch_time, batch = AverageMeter(), AverageMeter(), None
losses, top1, top5 = AverageMeter(), AverageMeter(), AverageMeter()
latencies, device = [], torch.cuda.current_device()
network.eval()
with torch.no_grad():
end = time.time()
for i, (inputs, targets) in enumerate(xloader):
targets = targets.cuda(device=device, non_blocking=True)
inputs = inputs.cuda(device=device, non_blocking=True)
data_time.update(time.time() - end)
# forward
features, logits = network(inputs)
loss = criterion(logits, targets)
batch_time.update(time.time() - end)
if batch is None or batch == inputs.size(0):
batch = inputs.size(0)
latencies.append( batch_time.val - data_time.val )
# record loss and accuracy
prec1, prec5 = obtain_accuracy(logits.data, targets.data, topk=(1, 5))
losses.update(loss.item(), inputs.size(0))
top1.update (prec1.item(), inputs.size(0))
top5.update (prec5.item(), inputs.size(0))
end = time.time()
if len(latencies) > 2: latencies = latencies[1:]
return losses.avg, top1.avg, top5.avg, latencies
data_time, batch_time, batch = AverageMeter(), AverageMeter(), None
losses, top1, top5 = AverageMeter(), AverageMeter(), AverageMeter()
latencies, device = [], torch.cuda.current_device()
network.eval()
with torch.no_grad():
end = time.time()
for i, (inputs, targets) in enumerate(xloader):
targets = targets.cuda(device=device, non_blocking=True)
inputs = inputs.cuda(device=device, non_blocking=True)
data_time.update(time.time() - end)
# forward
features, logits = network(inputs)
loss = criterion(logits, targets)
batch_time.update(time.time() - end)
if batch is None or batch == inputs.size(0):
batch = inputs.size(0)
latencies.append(batch_time.val - data_time.val)
# record loss and accuracy
prec1, prec5 = obtain_accuracy(logits.data, targets.data, topk=(1, 5))
losses.update(loss.item(), inputs.size(0))
top1.update(prec1.item(), inputs.size(0))
top5.update(prec5.item(), inputs.size(0))
end = time.time()
if len(latencies) > 2:
latencies = latencies[1:]
return losses.avg, top1.avg, top5.avg, latencies
def procedure(xloader, network, criterion, scheduler, optimizer, mode: str):
losses, top1, top5 = AverageMeter(), AverageMeter(), AverageMeter()
if mode == 'train' : network.train()
elif mode == 'valid': network.eval()
else: raise ValueError("The mode is not right : {:}".format(mode))
device = torch.cuda.current_device()
data_time, batch_time, end = AverageMeter(), AverageMeter(), time.time()
for i, (inputs, targets) in enumerate(xloader):
if mode == 'train': scheduler.update(None, 1.0 * i / len(xloader))
losses, top1, top5 = AverageMeter(), AverageMeter(), AverageMeter()
if mode == "train":
network.train()
elif mode == "valid":
network.eval()
else:
raise ValueError("The mode is not right : {:}".format(mode))
device = torch.cuda.current_device()
data_time, batch_time, end = AverageMeter(), AverageMeter(), time.time()
for i, (inputs, targets) in enumerate(xloader):
if mode == "train":
scheduler.update(None, 1.0 * i / len(xloader))
targets = targets.cuda(device=device, non_blocking=True)
if mode == 'train': optimizer.zero_grad()
# forward
features, logits = network(inputs)
loss = criterion(logits, targets)
# backward
if mode == 'train':
loss.backward()
optimizer.step()
# record loss and accuracy
prec1, prec5 = obtain_accuracy(logits.data, targets.data, topk=(1, 5))
losses.update(loss.item(), inputs.size(0))
top1.update (prec1.item(), inputs.size(0))
top5.update (prec5.item(), inputs.size(0))
# count time
batch_time.update(time.time() - end)
end = time.time()
return losses.avg, top1.avg, top5.avg, batch_time.sum
targets = targets.cuda(device=device, non_blocking=True)
if mode == "train":
optimizer.zero_grad()
# forward
features, logits = network(inputs)
loss = criterion(logits, targets)
# backward
if mode == "train":
loss.backward()
optimizer.step()
# record loss and accuracy
prec1, prec5 = obtain_accuracy(logits.data, targets.data, topk=(1, 5))
losses.update(loss.item(), inputs.size(0))
top1.update(prec1.item(), inputs.size(0))
top5.update(prec5.item(), inputs.size(0))
# count time
batch_time.update(time.time() - end)
end = time.time()
return losses.avg, top1.avg, top5.avg, batch_time.sum
def evaluate_for_seed(arch_config, opt_config, train_loader, valid_loaders, seed: int, logger):
prepare_seed(seed) # random seed
net = get_cell_based_tiny_net(arch_config)
#net = TinyNetwork(arch_config['channel'], arch_config['num_cells'], arch, config.class_num)
flop, param = get_model_infos(net, opt_config.xshape)
logger.log('Network : {:}'.format(net.get_message()), False)
logger.log('{:} Seed-------------------------- {:} --------------------------'.format(time_string(), seed))
logger.log('FLOP = {:} MB, Param = {:} MB'.format(flop, param))
# train and valid
optimizer, scheduler, criterion = get_optim_scheduler(net.parameters(), opt_config)
default_device = torch.cuda.current_device()
network = torch.nn.DataParallel(net, device_ids=[default_device]).cuda(device=default_device)
criterion = criterion.cuda(device=default_device)
# start training
start_time, epoch_time, total_epoch = time.time(), AverageMeter(), opt_config.epochs + opt_config.warmup
train_losses, train_acc1es, train_acc5es, valid_losses, valid_acc1es, valid_acc5es = {}, {}, {}, {}, {}, {}
train_times , valid_times, lrs = {}, {}, {}
for epoch in range(total_epoch):
scheduler.update(epoch, 0.0)
lr = min(scheduler.get_lr())
train_loss, train_acc1, train_acc5, train_tm = procedure(train_loader, network, criterion, scheduler, optimizer, 'train')
train_losses[epoch] = train_loss
train_acc1es[epoch] = train_acc1
train_acc5es[epoch] = train_acc5
train_times [epoch] = train_tm
lrs[epoch] = lr
with torch.no_grad():
for key, xloder in valid_loaders.items():
valid_loss, valid_acc1, valid_acc5, valid_tm = procedure(xloder , network, criterion, None, None, 'valid')
valid_losses['{:}@{:}'.format(key,epoch)] = valid_loss
valid_acc1es['{:}@{:}'.format(key,epoch)] = valid_acc1
valid_acc5es['{:}@{:}'.format(key,epoch)] = valid_acc5
valid_times ['{:}@{:}'.format(key,epoch)] = valid_tm
prepare_seed(seed) # random seed
net = get_cell_based_tiny_net(arch_config)
# net = TinyNetwork(arch_config['channel'], arch_config['num_cells'], arch, config.class_num)
flop, param = get_model_infos(net, opt_config.xshape)
logger.log("Network : {:}".format(net.get_message()), False)
logger.log("{:} Seed-------------------------- {:} --------------------------".format(time_string(), seed))
logger.log("FLOP = {:} MB, Param = {:} MB".format(flop, param))
# train and valid
optimizer, scheduler, criterion = get_optim_scheduler(net.parameters(), opt_config)
default_device = torch.cuda.current_device()
network = torch.nn.DataParallel(net, device_ids=[default_device]).cuda(device=default_device)
criterion = criterion.cuda(device=default_device)
# start training
start_time, epoch_time, total_epoch = time.time(), AverageMeter(), opt_config.epochs + opt_config.warmup
train_losses, train_acc1es, train_acc5es, valid_losses, valid_acc1es, valid_acc5es = {}, {}, {}, {}, {}, {}
train_times, valid_times, lrs = {}, {}, {}
for epoch in range(total_epoch):
scheduler.update(epoch, 0.0)
lr = min(scheduler.get_lr())
train_loss, train_acc1, train_acc5, train_tm = procedure(
train_loader, network, criterion, scheduler, optimizer, "train"
)
train_losses[epoch] = train_loss
train_acc1es[epoch] = train_acc1
train_acc5es[epoch] = train_acc5
train_times[epoch] = train_tm
lrs[epoch] = lr
with torch.no_grad():
for key, xloder in valid_loaders.items():
valid_loss, valid_acc1, valid_acc5, valid_tm = procedure(
xloder, network, criterion, None, None, "valid"
)
valid_losses["{:}@{:}".format(key, epoch)] = valid_loss
valid_acc1es["{:}@{:}".format(key, epoch)] = valid_acc1
valid_acc5es["{:}@{:}".format(key, epoch)] = valid_acc5
valid_times["{:}@{:}".format(key, epoch)] = valid_tm
# measure elapsed time
epoch_time.update(time.time() - start_time)
start_time = time.time()
need_time = 'Time Left: {:}'.format( convert_secs2time(epoch_time.avg * (total_epoch-epoch-1), True) )
logger.log('{:} {:} epoch={:03d}/{:03d} :: Train [loss={:.5f}, acc@1={:.2f}%, acc@5={:.2f}%] Valid [loss={:.5f}, acc@1={:.2f}%, acc@5={:.2f}%], lr={:}'.format(time_string(), need_time, epoch, total_epoch, train_loss, train_acc1, train_acc5, valid_loss, valid_acc1, valid_acc5, lr))
info_seed = {'flop' : flop,
'param': param,
'arch_config' : arch_config._asdict(),
'opt_config' : opt_config._asdict(),
'total_epoch' : total_epoch ,
'train_losses': train_losses,
'train_acc1es': train_acc1es,
'train_acc5es': train_acc5es,
'train_times' : train_times,
'valid_losses': valid_losses,
'valid_acc1es': valid_acc1es,
'valid_acc5es': valid_acc5es,
'valid_times' : valid_times,
'learning_rates': lrs,
'net_state_dict': net.state_dict(),
'net_string' : '{:}'.format(net),
'finish-train': True
}
return info_seed
# measure elapsed time
epoch_time.update(time.time() - start_time)
start_time = time.time()
need_time = "Time Left: {:}".format(convert_secs2time(epoch_time.avg * (total_epoch - epoch - 1), True))
logger.log(
"{:} {:} epoch={:03d}/{:03d} :: Train [loss={:.5f}, acc@1={:.2f}%, acc@5={:.2f}%] Valid [loss={:.5f}, acc@1={:.2f}%, acc@5={:.2f}%], lr={:}".format(
time_string(),
need_time,
epoch,
total_epoch,
train_loss,
train_acc1,
train_acc5,
valid_loss,
valid_acc1,
valid_acc5,
lr,
)
)
info_seed = {
"flop": flop,
"param": param,
"arch_config": arch_config._asdict(),
"opt_config": opt_config._asdict(),
"total_epoch": total_epoch,
"train_losses": train_losses,
"train_acc1es": train_acc1es,
"train_acc5es": train_acc5es,
"train_times": train_times,
"valid_losses": valid_losses,
"valid_acc1es": valid_acc1es,
"valid_acc5es": valid_acc5es,
"valid_times": valid_times,
"learning_rates": lrs,
"net_state_dict": net.state_dict(),
"net_string": "{:}".format(net),
"finish-train": True,
}
return info_seed
def get_nas_bench_loaders(workers):
torch.set_num_threads(workers)
torch.set_num_threads(workers)
root_dir = (pathlib.Path(__file__).parent / '..' / '..').resolve()
torch_dir = pathlib.Path(os.environ['TORCH_HOME'])
# cifar
cifar_config_path = root_dir / 'configs' / 'nas-benchmark' / 'CIFAR.config'
cifar_config = load_config(cifar_config_path, None, None)
get_datasets = datasets.get_datasets # a function to return the dataset
break_line = '-' * 150
print ('{:} Create data-loader for all datasets'.format(time_string()))
print (break_line)
TRAIN_CIFAR10, VALID_CIFAR10, xshape, class_num = get_datasets('cifar10', str(torch_dir/'cifar.python'), -1)
print ('original CIFAR-10 : {:} training images and {:} test images : {:} input shape : {:} number of classes'.format(len(TRAIN_CIFAR10), len(VALID_CIFAR10), xshape, class_num))
cifar10_splits = load_config(root_dir / 'configs' / 'nas-benchmark' / 'cifar-split.txt', None, None)
assert cifar10_splits.train[:10] == [0, 5, 7, 11, 13, 15, 16, 17, 20, 24] and cifar10_splits.valid[:10] == [1, 2, 3, 4, 6, 8, 9, 10, 12, 14]
temp_dataset = copy.deepcopy(TRAIN_CIFAR10)
temp_dataset.transform = VALID_CIFAR10.transform
# data loader
trainval_cifar10_loader = torch.utils.data.DataLoader(TRAIN_CIFAR10, batch_size=cifar_config.batch_size, shuffle=True , num_workers=workers, pin_memory=True)
train_cifar10_loader = torch.utils.data.DataLoader(TRAIN_CIFAR10, batch_size=cifar_config.batch_size, sampler=torch.utils.data.sampler.SubsetRandomSampler(cifar10_splits.train), num_workers=workers, pin_memory=True)
valid_cifar10_loader = torch.utils.data.DataLoader(temp_dataset , batch_size=cifar_config.batch_size, sampler=torch.utils.data.sampler.SubsetRandomSampler(cifar10_splits.valid), num_workers=workers, pin_memory=True)
test__cifar10_loader = torch.utils.data.DataLoader(VALID_CIFAR10, batch_size=cifar_config.batch_size, shuffle=False, num_workers=workers, pin_memory=True)
print ('CIFAR-10 : trval-loader has {:3d} batch with {:} per batch'.format(len(trainval_cifar10_loader), cifar_config.batch_size))
print ('CIFAR-10 : train-loader has {:3d} batch with {:} per batch'.format(len(train_cifar10_loader), cifar_config.batch_size))
print ('CIFAR-10 : valid-loader has {:3d} batch with {:} per batch'.format(len(valid_cifar10_loader), cifar_config.batch_size))
print ('CIFAR-10 : test--loader has {:3d} batch with {:} per batch'.format(len(test__cifar10_loader), cifar_config.batch_size))
print (break_line)
# CIFAR-100
TRAIN_CIFAR100, VALID_CIFAR100, xshape, class_num = get_datasets('cifar100', str(torch_dir/'cifar.python'), -1)
print ('original CIFAR-100: {:} training images and {:} test images : {:} input shape : {:} number of classes'.format(len(TRAIN_CIFAR100), len(VALID_CIFAR100), xshape, class_num))
cifar100_splits = load_config(root_dir / 'configs' / 'nas-benchmark' / 'cifar100-test-split.txt', None, None)
assert cifar100_splits.xvalid[:10] == [1, 3, 4, 5, 8, 10, 13, 14, 15, 16] and cifar100_splits.xtest[:10] == [0, 2, 6, 7, 9, 11, 12, 17, 20, 24]
train_cifar100_loader = torch.utils.data.DataLoader(TRAIN_CIFAR100, batch_size=cifar_config.batch_size, shuffle=True, num_workers=workers, pin_memory=True)
valid_cifar100_loader = torch.utils.data.DataLoader(VALID_CIFAR100, batch_size=cifar_config.batch_size, sampler=torch.utils.data.sampler.SubsetRandomSampler(cifar100_splits.xvalid), num_workers=workers, pin_memory=True)
test__cifar100_loader = torch.utils.data.DataLoader(VALID_CIFAR100, batch_size=cifar_config.batch_size, sampler=torch.utils.data.sampler.SubsetRandomSampler(cifar100_splits.xtest) , num_workers=workers, pin_memory=True)
print ('CIFAR-100 : train-loader has {:3d} batch'.format(len(train_cifar100_loader)))
print ('CIFAR-100 : valid-loader has {:3d} batch'.format(len(valid_cifar100_loader)))
print ('CIFAR-100 : test--loader has {:3d} batch'.format(len(test__cifar100_loader)))
print (break_line)
root_dir = (pathlib.Path(__file__).parent / ".." / "..").resolve()
torch_dir = pathlib.Path(os.environ["TORCH_HOME"])
# cifar
cifar_config_path = root_dir / "configs" / "nas-benchmark" / "CIFAR.config"
cifar_config = load_config(cifar_config_path, None, None)
get_datasets = datasets.get_datasets # a function to return the dataset
break_line = "-" * 150
print("{:} Create data-loader for all datasets".format(time_string()))
print(break_line)
TRAIN_CIFAR10, VALID_CIFAR10, xshape, class_num = get_datasets("cifar10", str(torch_dir / "cifar.python"), -1)
print(
"original CIFAR-10 : {:} training images and {:} test images : {:} input shape : {:} number of classes".format(
len(TRAIN_CIFAR10), len(VALID_CIFAR10), xshape, class_num
)
)
cifar10_splits = load_config(root_dir / "configs" / "nas-benchmark" / "cifar-split.txt", None, None)
assert cifar10_splits.train[:10] == [0, 5, 7, 11, 13, 15, 16, 17, 20, 24] and cifar10_splits.valid[:10] == [
1,
2,
3,
4,
6,
8,
9,
10,
12,
14,
]
temp_dataset = copy.deepcopy(TRAIN_CIFAR10)
temp_dataset.transform = VALID_CIFAR10.transform
# data loader
trainval_cifar10_loader = torch.utils.data.DataLoader(
TRAIN_CIFAR10, batch_size=cifar_config.batch_size, shuffle=True, num_workers=workers, pin_memory=True
)
train_cifar10_loader = torch.utils.data.DataLoader(
TRAIN_CIFAR10,
batch_size=cifar_config.batch_size,
sampler=torch.utils.data.sampler.SubsetRandomSampler(cifar10_splits.train),
num_workers=workers,
pin_memory=True,
)
valid_cifar10_loader = torch.utils.data.DataLoader(
temp_dataset,
batch_size=cifar_config.batch_size,
sampler=torch.utils.data.sampler.SubsetRandomSampler(cifar10_splits.valid),
num_workers=workers,
pin_memory=True,
)
test__cifar10_loader = torch.utils.data.DataLoader(
VALID_CIFAR10, batch_size=cifar_config.batch_size, shuffle=False, num_workers=workers, pin_memory=True
)
print(
"CIFAR-10 : trval-loader has {:3d} batch with {:} per batch".format(
len(trainval_cifar10_loader), cifar_config.batch_size
)
)
print(
"CIFAR-10 : train-loader has {:3d} batch with {:} per batch".format(
len(train_cifar10_loader), cifar_config.batch_size
)
)
print(
"CIFAR-10 : valid-loader has {:3d} batch with {:} per batch".format(
len(valid_cifar10_loader), cifar_config.batch_size
)
)
print(
"CIFAR-10 : test--loader has {:3d} batch with {:} per batch".format(
len(test__cifar10_loader), cifar_config.batch_size
)
)
print(break_line)
# CIFAR-100
TRAIN_CIFAR100, VALID_CIFAR100, xshape, class_num = get_datasets("cifar100", str(torch_dir / "cifar.python"), -1)
print(
"original CIFAR-100: {:} training images and {:} test images : {:} input shape : {:} number of classes".format(
len(TRAIN_CIFAR100), len(VALID_CIFAR100), xshape, class_num
)
)
cifar100_splits = load_config(root_dir / "configs" / "nas-benchmark" / "cifar100-test-split.txt", None, None)
assert cifar100_splits.xvalid[:10] == [1, 3, 4, 5, 8, 10, 13, 14, 15, 16] and cifar100_splits.xtest[:10] == [
0,
2,
6,
7,
9,
11,
12,
17,
20,
24,
]
train_cifar100_loader = torch.utils.data.DataLoader(
TRAIN_CIFAR100, batch_size=cifar_config.batch_size, shuffle=True, num_workers=workers, pin_memory=True
)
valid_cifar100_loader = torch.utils.data.DataLoader(
VALID_CIFAR100,
batch_size=cifar_config.batch_size,
sampler=torch.utils.data.sampler.SubsetRandomSampler(cifar100_splits.xvalid),
num_workers=workers,
pin_memory=True,
)
test__cifar100_loader = torch.utils.data.DataLoader(
VALID_CIFAR100,
batch_size=cifar_config.batch_size,
sampler=torch.utils.data.sampler.SubsetRandomSampler(cifar100_splits.xtest),
num_workers=workers,
pin_memory=True,
)
print("CIFAR-100 : train-loader has {:3d} batch".format(len(train_cifar100_loader)))
print("CIFAR-100 : valid-loader has {:3d} batch".format(len(valid_cifar100_loader)))
print("CIFAR-100 : test--loader has {:3d} batch".format(len(test__cifar100_loader)))
print(break_line)
imagenet16_config_path = 'configs/nas-benchmark/ImageNet-16.config'
imagenet16_config = load_config(imagenet16_config_path, None, None)
TRAIN_ImageNet16_120, VALID_ImageNet16_120, xshape, class_num = get_datasets('ImageNet16-120', str(torch_dir/'cifar.python'/'ImageNet16'), -1)
print ('original TRAIN_ImageNet16_120: {:} training images and {:} test images : {:} input shape : {:} number of classes'.format(len(TRAIN_ImageNet16_120), len(VALID_ImageNet16_120), xshape, class_num))
imagenet_splits = load_config(root_dir / 'configs' / 'nas-benchmark' / 'imagenet-16-120-test-split.txt', None, None)
assert imagenet_splits.xvalid[:10] == [1, 2, 3, 6, 7, 8, 9, 12, 16, 18] and imagenet_splits.xtest[:10] == [0, 4, 5, 10, 11, 13, 14, 15, 17, 20]
train_imagenet_loader = torch.utils.data.DataLoader(TRAIN_ImageNet16_120, batch_size=imagenet16_config.batch_size, shuffle=True, num_workers=workers, pin_memory=True)
valid_imagenet_loader = torch.utils.data.DataLoader(VALID_ImageNet16_120, batch_size=imagenet16_config.batch_size, sampler=torch.utils.data.sampler.SubsetRandomSampler(imagenet_splits.xvalid), num_workers=workers, pin_memory=True)
test__imagenet_loader = torch.utils.data.DataLoader(VALID_ImageNet16_120, batch_size=imagenet16_config.batch_size, sampler=torch.utils.data.sampler.SubsetRandomSampler(imagenet_splits.xtest) , num_workers=workers, pin_memory=True)
print ('ImageNet-16-120 : train-loader has {:3d} batch with {:} per batch'.format(len(train_imagenet_loader), imagenet16_config.batch_size))
print ('ImageNet-16-120 : valid-loader has {:3d} batch with {:} per batch'.format(len(valid_imagenet_loader), imagenet16_config.batch_size))
print ('ImageNet-16-120 : test--loader has {:3d} batch with {:} per batch'.format(len(test__imagenet_loader), imagenet16_config.batch_size))
imagenet16_config_path = "configs/nas-benchmark/ImageNet-16.config"
imagenet16_config = load_config(imagenet16_config_path, None, None)
TRAIN_ImageNet16_120, VALID_ImageNet16_120, xshape, class_num = get_datasets(
"ImageNet16-120", str(torch_dir / "cifar.python" / "ImageNet16"), -1
)
print(
"original TRAIN_ImageNet16_120: {:} training images and {:} test images : {:} input shape : {:} number of classes".format(
len(TRAIN_ImageNet16_120), len(VALID_ImageNet16_120), xshape, class_num
)
)
imagenet_splits = load_config(root_dir / "configs" / "nas-benchmark" / "imagenet-16-120-test-split.txt", None, None)
assert imagenet_splits.xvalid[:10] == [1, 2, 3, 6, 7, 8, 9, 12, 16, 18] and imagenet_splits.xtest[:10] == [
0,
4,
5,
10,
11,
13,
14,
15,
17,
20,
]
train_imagenet_loader = torch.utils.data.DataLoader(
TRAIN_ImageNet16_120,
batch_size=imagenet16_config.batch_size,
shuffle=True,
num_workers=workers,
pin_memory=True,
)
valid_imagenet_loader = torch.utils.data.DataLoader(
VALID_ImageNet16_120,
batch_size=imagenet16_config.batch_size,
sampler=torch.utils.data.sampler.SubsetRandomSampler(imagenet_splits.xvalid),
num_workers=workers,
pin_memory=True,
)
test__imagenet_loader = torch.utils.data.DataLoader(
VALID_ImageNet16_120,
batch_size=imagenet16_config.batch_size,
sampler=torch.utils.data.sampler.SubsetRandomSampler(imagenet_splits.xtest),
num_workers=workers,
pin_memory=True,
)
print(
"ImageNet-16-120 : train-loader has {:3d} batch with {:} per batch".format(
len(train_imagenet_loader), imagenet16_config.batch_size
)
)
print(
"ImageNet-16-120 : valid-loader has {:3d} batch with {:} per batch".format(
len(valid_imagenet_loader), imagenet16_config.batch_size
)
)
print(
"ImageNet-16-120 : test--loader has {:3d} batch with {:} per batch".format(
len(test__imagenet_loader), imagenet16_config.batch_size
)
)
# 'cifar10', 'cifar100', 'ImageNet16-120'
loaders = {'cifar10@trainval': trainval_cifar10_loader,
'cifar10@train' : train_cifar10_loader,
'cifar10@valid' : valid_cifar10_loader,
'cifar10@test' : test__cifar10_loader,
'cifar100@train' : train_cifar100_loader,
'cifar100@valid' : valid_cifar100_loader,
'cifar100@test' : test__cifar100_loader,
'ImageNet16-120@train': train_imagenet_loader,
'ImageNet16-120@valid': valid_imagenet_loader,
'ImageNet16-120@test' : test__imagenet_loader}
return loaders
# 'cifar10', 'cifar100', 'ImageNet16-120'
loaders = {
"cifar10@trainval": trainval_cifar10_loader,
"cifar10@train": train_cifar10_loader,
"cifar10@valid": valid_cifar10_loader,
"cifar10@test": test__cifar10_loader,
"cifar100@train": train_cifar100_loader,
"cifar100@valid": valid_cifar100_loader,
"cifar100@test": test__cifar100_loader,
"ImageNet16-120@train": train_imagenet_loader,
"ImageNet16-120@valid": valid_imagenet_loader,
"ImageNet16-120@test": test__imagenet_loader,
}
return loaders

318
lib/procedures/optimizers.py
View File

@@ -8,197 +8,201 @@ from torch.optim import Optimizer
class _LRScheduler(object):
def __init__(self, optimizer, warmup_epochs, epochs):
if not isinstance(optimizer, Optimizer):
raise TypeError("{:} is not an Optimizer".format(type(optimizer).__name__))
self.optimizer = optimizer
for group in optimizer.param_groups:
group.setdefault("initial_lr", group["lr"])
self.base_lrs = list(map(lambda group: group["initial_lr"], optimizer.param_groups))
self.max_epochs = epochs
self.warmup_epochs = warmup_epochs
self.current_epoch = 0
self.current_iter = 0
def __init__(self, optimizer, warmup_epochs, epochs):
if not isinstance(optimizer, Optimizer):
raise TypeError('{:} is not an Optimizer'.format(type(optimizer).__name__))
self.optimizer = optimizer
for group in optimizer.param_groups:
group.setdefault('initial_lr', group['lr'])
self.base_lrs = list(map(lambda group: group['initial_lr'], optimizer.param_groups))
self.max_epochs = epochs
self.warmup_epochs = warmup_epochs
self.current_epoch = 0
self.current_iter = 0
def extra_repr(self):
return ""
def extra_repr(self):
return ''
def __repr__(self):
return "{name}(warmup={warmup_epochs}, max-epoch={max_epochs}, current::epoch={current_epoch}, iter={current_iter:.2f}".format(
name=self.__class__.__name__, **self.__dict__
) + ", {:})".format(
self.extra_repr()
)
def __repr__(self):
return ('{name}(warmup={warmup_epochs}, max-epoch={max_epochs}, current::epoch={current_epoch}, iter={current_iter:.2f}'.format(name=self.__class__.__name__, **self.__dict__)
+ ', {:})'.format(self.extra_repr()))
def state_dict(self):
return {key: value for key, value in self.__dict__.items() if key != "optimizer"}
def state_dict(self):
return {key: value for key, value in self.__dict__.items() if key != 'optimizer'}
def load_state_dict(self, state_dict):
self.__dict__.update(state_dict)
def load_state_dict(self, state_dict):
self.__dict__.update(state_dict)
def get_lr(self):
raise NotImplementedError
def get_lr(self):
raise NotImplementedError
def get_min_info(self):
lrs = self.get_lr()
return "#LR=[{:.6f}~{:.6f}] epoch={:03d}, iter={:4.2f}#".format(
min(lrs), max(lrs), self.current_epoch, self.current_iter
)
def get_min_info(self):
lrs = self.get_lr()
return '#LR=[{:.6f}~{:.6f}] epoch={:03d}, iter={:4.2f}#'.format(min(lrs), max(lrs), self.current_epoch, self.current_iter)
def get_min_lr(self):
return min( self.get_lr() )
def update(self, cur_epoch, cur_iter):
if cur_epoch is not None:
assert isinstance(cur_epoch, int) and cur_epoch>=0, 'invalid cur-epoch : {:}'.format(cur_epoch)
self.current_epoch = cur_epoch
if cur_iter is not None:
assert isinstance(cur_iter, float) and cur_iter>=0, 'invalid cur-iter : {:}'.format(cur_iter)
self.current_iter = cur_iter
for param_group, lr in zip(self.optimizer.param_groups, self.get_lr()):
param_group['lr'] = lr
def get_min_lr(self):
return min(self.get_lr())
def update(self, cur_epoch, cur_iter):
if cur_epoch is not None:
assert isinstance(cur_epoch, int) and cur_epoch >= 0, "invalid cur-epoch : {:}".format(cur_epoch)
self.current_epoch = cur_epoch
if cur_iter is not None:
assert isinstance(cur_iter, float) and cur_iter >= 0, "invalid cur-iter : {:}".format(cur_iter)
self.current_iter = cur_iter
for param_group, lr in zip(self.optimizer.param_groups, self.get_lr()):
param_group["lr"] = lr
class CosineAnnealingLR(_LRScheduler):
def __init__(self, optimizer, warmup_epochs, epochs, T_max, eta_min):
self.T_max = T_max
self.eta_min = eta_min
super(CosineAnnealingLR, self).__init__(optimizer, warmup_epochs, epochs)
def __init__(self, optimizer, warmup_epochs, epochs, T_max, eta_min):
self.T_max = T_max
self.eta_min = eta_min
super(CosineAnnealingLR, self).__init__(optimizer, warmup_epochs, epochs)
def extra_repr(self):
return 'type={:}, T-max={:}, eta-min={:}'.format('cosine', self.T_max, self.eta_min)
def get_lr(self):
lrs = []
for base_lr in self.base_lrs:
if self.current_epoch >= self.warmup_epochs and self.current_epoch < self.max_epochs:
last_epoch = self.current_epoch - self.warmup_epochs
#if last_epoch < self.T_max:
#if last_epoch < self.max_epochs:
lr = self.eta_min + (base_lr - self.eta_min) * (1 + math.cos(math.pi * last_epoch / self.T_max)) / 2
#else:
# lr = self.eta_min + (base_lr - self.eta_min) * (1 + math.cos(math.pi * (self.T_max-1.0) / self.T_max)) / 2
elif self.current_epoch >= self.max_epochs:
lr = self.eta_min
else:
lr = (self.current_epoch / self.warmup_epochs + self.current_iter / self.warmup_epochs) * base_lr
lrs.append( lr )
return lrs
def extra_repr(self):
return "type={:}, T-max={:}, eta-min={:}".format("cosine", self.T_max, self.eta_min)
def get_lr(self):
lrs = []
for base_lr in self.base_lrs:
if self.current_epoch >= self.warmup_epochs and self.current_epoch < self.max_epochs:
last_epoch = self.current_epoch - self.warmup_epochs
# if last_epoch < self.T_max:
# if last_epoch < self.max_epochs:
lr = self.eta_min + (base_lr - self.eta_min) * (1 + math.cos(math.pi * last_epoch / self.T_max)) / 2
# else:
# lr = self.eta_min + (base_lr - self.eta_min) * (1 + math.cos(math.pi * (self.T_max-1.0) / self.T_max)) / 2
elif self.current_epoch >= self.max_epochs:
lr = self.eta_min
else:
lr = (self.current_epoch / self.warmup_epochs + self.current_iter / self.warmup_epochs) * base_lr
lrs.append(lr)
return lrs
class MultiStepLR(_LRScheduler):
def __init__(self, optimizer, warmup_epochs, epochs, milestones, gammas):
assert len(milestones) == len(gammas), "invalid {:} vs {:}".format(len(milestones), len(gammas))
self.milestones = milestones
self.gammas = gammas
super(MultiStepLR, self).__init__(optimizer, warmup_epochs, epochs)
def __init__(self, optimizer, warmup_epochs, epochs, milestones, gammas):
assert len(milestones) == len(gammas), 'invalid {:} vs {:}'.format(len(milestones), len(gammas))
self.milestones = milestones
self.gammas = gammas
super(MultiStepLR, self).__init__(optimizer, warmup_epochs, epochs)
def extra_repr(self):
return "type={:}, milestones={:}, gammas={:}, base-lrs={:}".format(
"multistep", self.milestones, self.gammas, self.base_lrs
)
def extra_repr(self):
return 'type={:}, milestones={:}, gammas={:}, base-lrs={:}'.format('multistep', self.milestones, self.gammas, self.base_lrs)
def get_lr(self):
lrs = []
for base_lr in self.base_lrs:
if self.current_epoch >= self.warmup_epochs:
last_epoch = self.current_epoch - self.warmup_epochs
idx = bisect_right(self.milestones, last_epoch)
lr = base_lr
for x in self.gammas[:idx]: lr *= x
else:
lr = (self.current_epoch / self.warmup_epochs + self.current_iter / self.warmup_epochs) * base_lr
lrs.append( lr )
return lrs
def get_lr(self):
lrs = []
for base_lr in self.base_lrs:
if self.current_epoch >= self.warmup_epochs:
last_epoch = self.current_epoch - self.warmup_epochs
idx = bisect_right(self.milestones, last_epoch)
lr = base_lr
for x in self.gammas[:idx]:
lr *= x
else:
lr = (self.current_epoch / self.warmup_epochs + self.current_iter / self.warmup_epochs) * base_lr
lrs.append(lr)
return lrs
class ExponentialLR(_LRScheduler):
def __init__(self, optimizer, warmup_epochs, epochs, gamma):
self.gamma = gamma
super(ExponentialLR, self).__init__(optimizer, warmup_epochs, epochs)
def __init__(self, optimizer, warmup_epochs, epochs, gamma):
self.gamma = gamma
super(ExponentialLR, self).__init__(optimizer, warmup_epochs, epochs)
def extra_repr(self):
return "type={:}, gamma={:}, base-lrs={:}".format("exponential", self.gamma, self.base_lrs)
def extra_repr(self):
return 'type={:}, gamma={:}, base-lrs={:}'.format('exponential', self.gamma, self.base_lrs)
def get_lr(self):
lrs = []
for base_lr in self.base_lrs:
if self.current_epoch >= self.warmup_epochs:
last_epoch = self.current_epoch - self.warmup_epochs
assert last_epoch >= 0, 'invalid last_epoch : {:}'.format(last_epoch)
lr = base_lr * (self.gamma ** last_epoch)
else:
lr = (self.current_epoch / self.warmup_epochs + self.current_iter / self.warmup_epochs) * base_lr
lrs.append( lr )
return lrs
def get_lr(self):
lrs = []
for base_lr in self.base_lrs:
if self.current_epoch >= self.warmup_epochs:
last_epoch = self.current_epoch - self.warmup_epochs
assert last_epoch >= 0, "invalid last_epoch : {:}".format(last_epoch)
lr = base_lr * (self.gamma ** last_epoch)
else:
lr = (self.current_epoch / self.warmup_epochs + self.current_iter / self.warmup_epochs) * base_lr
lrs.append(lr)
return lrs
class LinearLR(_LRScheduler):
def __init__(self, optimizer, warmup_epochs, epochs, max_LR, min_LR):
self.max_LR = max_LR
self.min_LR = min_LR
super(LinearLR, self).__init__(optimizer, warmup_epochs, epochs)
def __init__(self, optimizer, warmup_epochs, epochs, max_LR, min_LR):
self.max_LR = max_LR
self.min_LR = min_LR
super(LinearLR, self).__init__(optimizer, warmup_epochs, epochs)
def extra_repr(self):
return 'type={:}, max_LR={:}, min_LR={:}, base-lrs={:}'.format('LinearLR', self.max_LR, self.min_LR, self.base_lrs)
def get_lr(self):
lrs = []
for base_lr in self.base_lrs:
if self.current_epoch >= self.warmup_epochs:
last_epoch = self.current_epoch - self.warmup_epochs
assert last_epoch >= 0, 'invalid last_epoch : {:}'.format(last_epoch)
ratio = (self.max_LR - self.min_LR) * last_epoch / self.max_epochs / self.max_LR
lr = base_lr * (1-ratio)
else:
lr = (self.current_epoch / self.warmup_epochs + self.current_iter / self.warmup_epochs) * base_lr
lrs.append( lr )
return lrs
def extra_repr(self):
return "type={:}, max_LR={:}, min_LR={:}, base-lrs={:}".format(
"LinearLR", self.max_LR, self.min_LR, self.base_lrs
)
def get_lr(self):
lrs = []
for base_lr in self.base_lrs:
if self.current_epoch >= self.warmup_epochs:
last_epoch = self.current_epoch - self.warmup_epochs
assert last_epoch >= 0, "invalid last_epoch : {:}".format(last_epoch)
ratio = (self.max_LR - self.min_LR) * last_epoch / self.max_epochs / self.max_LR
lr = base_lr * (1 - ratio)
else:
lr = (self.current_epoch / self.warmup_epochs + self.current_iter / self.warmup_epochs) * base_lr
lrs.append(lr)
return lrs
class CrossEntropyLabelSmooth(nn.Module):
def __init__(self, num_classes, epsilon):
super(CrossEntropyLabelSmooth, self).__init__()
self.num_classes = num_classes
self.epsilon = epsilon
self.logsoftmax = nn.LogSoftmax(dim=1)
def __init__(self, num_classes, epsilon):
super(CrossEntropyLabelSmooth, self).__init__()
self.num_classes = num_classes
self.epsilon = epsilon
self.logsoftmax = nn.LogSoftmax(dim=1)
def forward(self, inputs, targets):
log_probs = self.logsoftmax(inputs)
targets = torch.zeros_like(log_probs).scatter_(1, targets.unsqueeze(1), 1)
targets = (1 - self.epsilon) * targets + self.epsilon / self.num_classes
loss = (-targets * log_probs).mean(0).sum()
return loss
def forward(self, inputs, targets):
log_probs = self.logsoftmax(inputs)
targets = torch.zeros_like(log_probs).scatter_(1, targets.unsqueeze(1), 1)
targets = (1 - self.epsilon) * targets + self.epsilon / self.num_classes
loss = (-targets * log_probs).mean(0).sum()
return loss
def get_optim_scheduler(parameters, config):
assert hasattr(config, 'optim') and hasattr(config, 'scheduler') and hasattr(config, 'criterion'), 'config must have optim / scheduler / criterion keys instead of {:}'.format(config)
if config.optim == 'SGD':
optim = torch.optim.SGD(parameters, config.LR, momentum=config.momentum, weight_decay=config.decay, nesterov=config.nesterov)
elif config.optim == 'RMSprop':
optim = torch.optim.RMSprop(parameters, config.LR, momentum=config.momentum, weight_decay=config.decay)
else:
raise ValueError('invalid optim : {:}'.format(config.optim))
assert (
hasattr(config, "optim") and hasattr(config, "scheduler") and hasattr(config, "criterion")
), "config must have optim / scheduler / criterion keys instead of {:}".format(config)
if config.optim == "SGD":
optim = torch.optim.SGD(
parameters, config.LR, momentum=config.momentum, weight_decay=config.decay, nesterov=config.nesterov
)
elif config.optim == "RMSprop":
optim = torch.optim.RMSprop(parameters, config.LR, momentum=config.momentum, weight_decay=config.decay)
else:
raise ValueError("invalid optim : {:}".format(config.optim))
if config.scheduler == 'cos':
T_max = getattr(config, 'T_max', config.epochs)
scheduler = CosineAnnealingLR(optim, config.warmup, config.epochs, T_max, config.eta_min)
elif config.scheduler == 'multistep':
scheduler = MultiStepLR(optim, config.warmup, config.epochs, config.milestones, config.gammas)
elif config.scheduler == 'exponential':
scheduler = ExponentialLR(optim, config.warmup, config.epochs, config.gamma)
elif config.scheduler == 'linear':
scheduler = LinearLR(optim, config.warmup, config.epochs, config.LR, config.LR_min)
else:
raise ValueError('invalid scheduler : {:}'.format(config.scheduler))
if config.scheduler == "cos":
T_max = getattr(config, "T_max", config.epochs)
scheduler = CosineAnnealingLR(optim, config.warmup, config.epochs, T_max, config.eta_min)
elif config.scheduler == "multistep":
scheduler = MultiStepLR(optim, config.warmup, config.epochs, config.milestones, config.gammas)
elif config.scheduler == "exponential":
scheduler = ExponentialLR(optim, config.warmup, config.epochs, config.gamma)
elif config.scheduler == "linear":
scheduler = LinearLR(optim, config.warmup, config.epochs, config.LR, config.LR_min)
else:
raise ValueError("invalid scheduler : {:}".format(config.scheduler))
if config.criterion == 'Softmax':
criterion = torch.nn.CrossEntropyLoss()
elif config.criterion == 'SmoothSoftmax':
criterion = CrossEntropyLabelSmooth(config.class_num, config.label_smooth)
else:
raise ValueError('invalid criterion : {:}'.format(config.criterion))
return optim, scheduler, criterion
if config.criterion == "Softmax":
criterion = torch.nn.CrossEntropyLoss()
elif config.criterion == "SmoothSoftmax":
criterion = CrossEntropyLabelSmooth(config.class_num, config.label_smooth)
else:
raise ValueError("invalid criterion : {:}".format(config.criterion))
return optim, scheduler, criterion

12
lib/procedures/q_exps.py
View File

@@ -7,11 +7,12 @@ from qlib.utils import init_instance_by_config
from qlib.workflow import R
from qlib.utils import flatten_dict
from qlib.log import set_log_basic_config
from qlib.log import get_module_logger
def update_gpu(config, gpu):
config = config.copy()
if "task" in config and "GPU" in config["task"]["model"]:
if "task" in config and "moodel" in config["task"] and "GPU" in config["task"]["model"]:
config["task"]["model"]["GPU"] = gpu
elif "model" in config and "GPU" in config["model"]:
config["model"]["GPU"] = gpu
@@ -29,11 +30,6 @@ def update_market(config, market):
def run_exp(task_config, dataset, experiment_name, recorder_name, uri):
# model initiaiton
print("")
print("[{:}] - [{:}]: {:}".format(experiment_name, recorder_name, uri))
print("dataset={:}".format(dataset))
model = init_instance_by_config(task_config["model"])
# start exp
@@ -41,6 +37,10 @@ def run_exp(task_config, dataset, experiment_name, recorder_name, uri):
log_file = R.get_recorder().root_uri / "{:}.log".format(experiment_name)
set_log_basic_config(log_file)
logger = get_module_logger("q.run_exp")
logger.info("task_config={:}".format(task_config))
logger.info("[{:}] - [{:}]: {:}".format(experiment_name, recorder_name, uri))
logger.info("dataset={:}".format(dataset))
# train model
R.log_params(**flatten_dict(task_config))

252
lib/procedures/search_main.py
View File

@@ -3,124 +3,170 @@
##################################################
import os, sys, time, torch
from log_utils import AverageMeter, time_string
from utils import obtain_accuracy
from models import change_key
from utils import obtain_accuracy
from models import change_key
def get_flop_loss(expected_flop, flop_cur, flop_need, flop_tolerant):
expected_flop = torch.mean( expected_flop )
expected_flop = torch.mean(expected_flop)
if flop_cur < flop_need - flop_tolerant: # Too Small FLOP
loss = - torch.log( expected_flop )
#elif flop_cur > flop_need + flop_tolerant: # Too Large FLOP
elif flop_cur > flop_need: # Too Large FLOP
loss = torch.log( expected_flop )
else: # Required FLOP
loss = None
if loss is None: return 0, 0
else : return loss, loss.item()
if flop_cur < flop_need - flop_tolerant: # Too Small FLOP
loss = -torch.log(expected_flop)
# elif flop_cur > flop_need + flop_tolerant: # Too Large FLOP
elif flop_cur > flop_need: # Too Large FLOP
loss = torch.log(expected_flop)
else: # Required FLOP
loss = None
if loss is None:
return 0, 0
else:
return loss, loss.item()
def search_train(search_loader, network, criterion, scheduler, base_optimizer, arch_optimizer, optim_config, extra_info, print_freq, logger):
data_time, batch_time = AverageMeter(), AverageMeter()
base_losses, arch_losses, top1, top5 = AverageMeter(), AverageMeter(), AverageMeter(), AverageMeter()
arch_cls_losses, arch_flop_losses = AverageMeter(), AverageMeter()
epoch_str, flop_need, flop_weight, flop_tolerant = extra_info['epoch-str'], extra_info['FLOP-exp'], extra_info['FLOP-weight'], extra_info['FLOP-tolerant']
def search_train(
search_loader,
network,
criterion,
scheduler,
base_optimizer,
arch_optimizer,
optim_config,
extra_info,
print_freq,
logger,
):
data_time, batch_time = AverageMeter(), AverageMeter()
base_losses, arch_losses, top1, top5 = AverageMeter(), AverageMeter(), AverageMeter(), AverageMeter()
arch_cls_losses, arch_flop_losses = AverageMeter(), AverageMeter()
epoch_str, flop_need, flop_weight, flop_tolerant = (
extra_info["epoch-str"],
extra_info["FLOP-exp"],
extra_info["FLOP-weight"],
extra_info["FLOP-tolerant"],
)
network.train()
logger.log('[Search] : {:}, FLOP-Require={:.2f} MB, FLOP-WEIGHT={:.2f}'.format(epoch_str, flop_need, flop_weight))
end = time.time()
network.apply( change_key('search_mode', 'search') )
for step, (base_inputs, base_targets, arch_inputs, arch_targets) in enumerate(search_loader):
scheduler.update(None, 1.0 * step / len(search_loader))
# calculate prediction and loss
base_targets = base_targets.cuda(non_blocking=True)
arch_targets = arch_targets.cuda(non_blocking=True)
# measure data loading time
data_time.update(time.time() - end)
# update the weights
base_optimizer.zero_grad()
logits, expected_flop = network(base_inputs)
#network.apply( change_key('search_mode', 'basic') )
#features, logits = network(base_inputs)
base_loss = criterion(logits, base_targets)
base_loss.backward()
base_optimizer.step()
# record
prec1, prec5 = obtain_accuracy(logits.data, base_targets.data, topk=(1, 5))
base_losses.update(base_loss.item(), base_inputs.size(0))
top1.update (prec1.item(), base_inputs.size(0))
top5.update (prec5.item(), base_inputs.size(0))
# update the architecture
arch_optimizer.zero_grad()
logits, expected_flop = network(arch_inputs)
flop_cur = network.module.get_flop('genotype', None, None)
flop_loss, flop_loss_scale = get_flop_loss(expected_flop, flop_cur, flop_need, flop_tolerant)
acls_loss = criterion(logits, arch_targets)
arch_loss = acls_loss + flop_loss * flop_weight
arch_loss.backward()
arch_optimizer.step()
# record
arch_losses.update(arch_loss.item(), arch_inputs.size(0))
arch_flop_losses.update(flop_loss_scale, arch_inputs.size(0))
arch_cls_losses.update (acls_loss.item(), arch_inputs.size(0))
# measure elapsed time
batch_time.update(time.time() - end)
network.train()
logger.log("[Search] : {:}, FLOP-Require={:.2f} MB, FLOP-WEIGHT={:.2f}".format(epoch_str, flop_need, flop_weight))
end = time.time()
if step % print_freq == 0 or (step+1) == len(search_loader):
Sstr = '**TRAIN** ' + time_string() + ' [{:}][{:03d}/{:03d}]'.format(epoch_str, step, len(search_loader))
Tstr = 'Time {batch_time.val:.2f} ({batch_time.avg:.2f}) Data {data_time.val:.2f} ({data_time.avg:.2f})'.format(batch_time=batch_time, data_time=data_time)
Lstr = 'Base-Loss {loss.val:.3f} ({loss.avg:.3f}) Prec@1 {top1.val:.2f} ({top1.avg:.2f}) Prec@5 {top5.val:.2f} ({top5.avg:.2f})'.format(loss=base_losses, top1=top1, top5=top5)
Vstr = 'Acls-loss {aloss.val:.3f} ({aloss.avg:.3f}) FLOP-Loss {floss.val:.3f} ({floss.avg:.3f}) Arch-Loss {loss.val:.3f} ({loss.avg:.3f})'.format(aloss=arch_cls_losses, floss=arch_flop_losses, loss=arch_losses)
logger.log(Sstr + ' ' + Tstr + ' ' + Lstr + ' ' + Vstr)
#Istr = 'Bsz={:} Asz={:}'.format(list(base_inputs.size()), list(arch_inputs.size()))
#logger.log(Sstr + ' ' + Tstr + ' ' + Lstr + ' ' + Vstr + ' ' + Istr)
#print(network.module.get_arch_info())
#print(network.module.width_attentions[0])
#print(network.module.width_attentions[1])
network.apply(change_key("search_mode", "search"))
for step, (base_inputs, base_targets, arch_inputs, arch_targets) in enumerate(search_loader):
scheduler.update(None, 1.0 * step / len(search_loader))
# calculate prediction and loss
base_targets = base_targets.cuda(non_blocking=True)
arch_targets = arch_targets.cuda(non_blocking=True)
# measure data loading time
data_time.update(time.time() - end)
logger.log(' **TRAIN** Prec@1 {top1.avg:.2f} Prec@5 {top5.avg:.2f} Error@1 {error1:.2f} Error@5 {error5:.2f} Base-Loss:{baseloss:.3f}, Arch-Loss={archloss:.3f}'.format(top1=top1, top5=top5, error1=100-top1.avg, error5=100-top5.avg, baseloss=base_losses.avg, archloss=arch_losses.avg))
return base_losses.avg, arch_losses.avg, top1.avg, top5.avg
# update the weights
base_optimizer.zero_grad()
logits, expected_flop = network(base_inputs)
# network.apply( change_key('search_mode', 'basic') )
# features, logits = network(base_inputs)
base_loss = criterion(logits, base_targets)
base_loss.backward()
base_optimizer.step()
# record
prec1, prec5 = obtain_accuracy(logits.data, base_targets.data, topk=(1, 5))
base_losses.update(base_loss.item(), base_inputs.size(0))
top1.update(prec1.item(), base_inputs.size(0))
top5.update(prec5.item(), base_inputs.size(0))
# update the architecture
arch_optimizer.zero_grad()
logits, expected_flop = network(arch_inputs)
flop_cur = network.module.get_flop("genotype", None, None)
flop_loss, flop_loss_scale = get_flop_loss(expected_flop, flop_cur, flop_need, flop_tolerant)
acls_loss = criterion(logits, arch_targets)
arch_loss = acls_loss + flop_loss * flop_weight
arch_loss.backward()
arch_optimizer.step()
# record
arch_losses.update(arch_loss.item(), arch_inputs.size(0))
arch_flop_losses.update(flop_loss_scale, arch_inputs.size(0))
arch_cls_losses.update(acls_loss.item(), arch_inputs.size(0))
# measure elapsed time
batch_time.update(time.time() - end)
end = time.time()
if step % print_freq == 0 or (step + 1) == len(search_loader):
Sstr = "**TRAIN** " + time_string() + " [{:}][{:03d}/{:03d}]".format(epoch_str, step, len(search_loader))
Tstr = "Time {batch_time.val:.2f} ({batch_time.avg:.2f}) Data {data_time.val:.2f} ({data_time.avg:.2f})".format(
batch_time=batch_time, data_time=data_time
)
Lstr = "Base-Loss {loss.val:.3f} ({loss.avg:.3f}) Prec@1 {top1.val:.2f} ({top1.avg:.2f}) Prec@5 {top5.val:.2f} ({top5.avg:.2f})".format(
loss=base_losses, top1=top1, top5=top5
)
Vstr = "Acls-loss {aloss.val:.3f} ({aloss.avg:.3f}) FLOP-Loss {floss.val:.3f} ({floss.avg:.3f}) Arch-Loss {loss.val:.3f} ({loss.avg:.3f})".format(
aloss=arch_cls_losses, floss=arch_flop_losses, loss=arch_losses
)
logger.log(Sstr + " " + Tstr + " " + Lstr + " " + Vstr)
# Istr = 'Bsz={:} Asz={:}'.format(list(base_inputs.size()), list(arch_inputs.size()))
# logger.log(Sstr + ' ' + Tstr + ' ' + Lstr + ' ' + Vstr + ' ' + Istr)
# print(network.module.get_arch_info())
# print(network.module.width_attentions[0])
# print(network.module.width_attentions[1])
logger.log(
" **TRAIN** Prec@1 {top1.avg:.2f} Prec@5 {top5.avg:.2f} Error@1 {error1:.2f} Error@5 {error5:.2f} Base-Loss:{baseloss:.3f}, Arch-Loss={archloss:.3f}".format(
top1=top1,
top5=top5,
error1=100 - top1.avg,
error5=100 - top5.avg,
baseloss=base_losses.avg,
archloss=arch_losses.avg,
)
)
return base_losses.avg, arch_losses.avg, top1.avg, top5.avg
def search_valid(xloader, network, criterion, extra_info, print_freq, logger):
data_time, batch_time, losses, top1, top5 = AverageMeter(), AverageMeter(), AverageMeter(), AverageMeter(), AverageMeter()
data_time, batch_time, losses, top1, top5 = (
AverageMeter(),
AverageMeter(),
AverageMeter(),
AverageMeter(),
AverageMeter(),
)
network.eval()
network.apply( change_key('search_mode', 'search') )
end = time.time()
#logger.log('Starting evaluating {:}'.format(epoch_info))
with torch.no_grad():
for i, (inputs, targets) in enumerate(xloader):
# measure data loading time
data_time.update(time.time() - end)
# calculate prediction and loss
targets = targets.cuda(non_blocking=True)
network.eval()
network.apply(change_key("search_mode", "search"))
end = time.time()
# logger.log('Starting evaluating {:}'.format(epoch_info))
with torch.no_grad():
for i, (inputs, targets) in enumerate(xloader):
# measure data loading time
data_time.update(time.time() - end)
# calculate prediction and loss
targets = targets.cuda(non_blocking=True)
logits, expected_flop = network(inputs)
loss = criterion(logits, targets)
# record
prec1, prec5 = obtain_accuracy(logits.data, targets.data, topk=(1, 5))
losses.update(loss.item(), inputs.size(0))
top1.update (prec1.item(), inputs.size(0))
top5.update (prec5.item(), inputs.size(0))
logits, expected_flop = network(inputs)
loss = criterion(logits, targets)
# record
prec1, prec5 = obtain_accuracy(logits.data, targets.data, topk=(1, 5))
losses.update(loss.item(), inputs.size(0))
top1.update(prec1.item(), inputs.size(0))
top5.update(prec5.item(), inputs.size(0))
# measure elapsed time
batch_time.update(time.time() - end)
end = time.time()
# measure elapsed time
batch_time.update(time.time() - end)
end = time.time()
if i % print_freq == 0 or (i+1) == len(xloader):
Sstr = '**VALID** ' + time_string() + ' [{:}][{:03d}/{:03d}]'.format(extra_info, i, len(xloader))
Tstr = 'Time {batch_time.val:.2f} ({batch_time.avg:.2f}) Data {data_time.val:.2f} ({data_time.avg:.2f})'.format(batch_time=batch_time, data_time=data_time)
Lstr = 'Loss {loss.val:.3f} ({loss.avg:.3f}) Prec@1 {top1.val:.2f} ({top1.avg:.2f}) Prec@5 {top5.val:.2f} ({top5.avg:.2f})'.format(loss=losses, top1=top1, top5=top5)
Istr = 'Size={:}'.format(list(inputs.size()))
logger.log(Sstr + ' ' + Tstr + ' ' + Lstr + ' ' + Istr)
if i % print_freq == 0 or (i + 1) == len(xloader):
Sstr = "**VALID** " + time_string() + " [{:}][{:03d}/{:03d}]".format(extra_info, i, len(xloader))
Tstr = "Time {batch_time.val:.2f} ({batch_time.avg:.2f}) Data {data_time.val:.2f} ({data_time.avg:.2f})".format(
batch_time=batch_time, data_time=data_time
)
Lstr = "Loss {loss.val:.3f} ({loss.avg:.3f}) Prec@1 {top1.val:.2f} ({top1.avg:.2f}) Prec@5 {top5.val:.2f} ({top5.avg:.2f})".format(
loss=losses, top1=top1, top5=top5
)
Istr = "Size={:}".format(list(inputs.size()))
logger.log(Sstr + " " + Tstr + " " + Lstr + " " + Istr)
logger.log(' **VALID** Prec@1 {top1.avg:.2f} Prec@5 {top5.avg:.2f} Error@1 {error1:.2f} Error@5 {error5:.2f} Loss:{loss:.3f}'.format(top1=top1, top5=top5, error1=100-top1.avg, error5=100-top5.avg, loss=losses.avg))
return losses.avg, top1.avg, top5.avg
logger.log(
" **VALID** Prec@1 {top1.avg:.2f} Prec@5 {top5.avg:.2f} Error@1 {error1:.2f} Error@5 {error5:.2f} Loss:{loss:.3f}".format(
top1=top1, top5=top5, error1=100 - top1.avg, error5=100 - top5.avg, loss=losses.avg
)
)
return losses.avg, top1.avg, top5.avg

179
lib/procedures/search_main_v2.py
View File

@@ -3,85 +3,118 @@
##################################################
import os, sys, time, torch
from log_utils import AverageMeter, time_string
from utils import obtain_accuracy
from models import change_key
from utils import obtain_accuracy
from models import change_key
def get_flop_loss(expected_flop, flop_cur, flop_need, flop_tolerant):
expected_flop = torch.mean( expected_flop )
expected_flop = torch.mean(expected_flop)
if flop_cur < flop_need - flop_tolerant: # Too Small FLOP
loss = - torch.log( expected_flop )
#elif flop_cur > flop_need + flop_tolerant: # Too Large FLOP
elif flop_cur > flop_need: # Too Large FLOP
loss = torch.log( expected_flop )
else: # Required FLOP
loss = None
if loss is None: return 0, 0
else : return loss, loss.item()
if flop_cur < flop_need - flop_tolerant: # Too Small FLOP
loss = -torch.log(expected_flop)
# elif flop_cur > flop_need + flop_tolerant: # Too Large FLOP
elif flop_cur > flop_need: # Too Large FLOP
loss = torch.log(expected_flop)
else: # Required FLOP
loss = None
if loss is None:
return 0, 0
else:
return loss, loss.item()
def search_train_v2(search_loader, network, criterion, scheduler, base_optimizer, arch_optimizer, optim_config, extra_info, print_freq, logger):
data_time, batch_time = AverageMeter(), AverageMeter()
base_losses, arch_losses, top1, top5 = AverageMeter(), AverageMeter(), AverageMeter(), AverageMeter()
arch_cls_losses, arch_flop_losses = AverageMeter(), AverageMeter()
epoch_str, flop_need, flop_weight, flop_tolerant = extra_info['epoch-str'], extra_info['FLOP-exp'], extra_info['FLOP-weight'], extra_info['FLOP-tolerant']
def search_train_v2(
search_loader,
network,
criterion,
scheduler,
base_optimizer,
arch_optimizer,
optim_config,
extra_info,
print_freq,
logger,
):
data_time, batch_time = AverageMeter(), AverageMeter()
base_losses, arch_losses, top1, top5 = AverageMeter(), AverageMeter(), AverageMeter(), AverageMeter()
arch_cls_losses, arch_flop_losses = AverageMeter(), AverageMeter()
epoch_str, flop_need, flop_weight, flop_tolerant = (
extra_info["epoch-str"],
extra_info["FLOP-exp"],
extra_info["FLOP-weight"],
extra_info["FLOP-tolerant"],
)
network.train()
logger.log('[Search] : {:}, FLOP-Require={:.2f} MB, FLOP-WEIGHT={:.2f}'.format(epoch_str, flop_need, flop_weight))
end = time.time()
network.apply( change_key('search_mode', 'search') )
for step, (base_inputs, base_targets, arch_inputs, arch_targets) in enumerate(search_loader):
scheduler.update(None, 1.0 * step / len(search_loader))
# calculate prediction and loss
base_targets = base_targets.cuda(non_blocking=True)
arch_targets = arch_targets.cuda(non_blocking=True)
# measure data loading time
data_time.update(time.time() - end)
# update the weights
base_optimizer.zero_grad()
logits, expected_flop = network(base_inputs)
base_loss = criterion(logits, base_targets)
base_loss.backward()
base_optimizer.step()
# record
prec1, prec5 = obtain_accuracy(logits.data, base_targets.data, topk=(1, 5))
base_losses.update(base_loss.item(), base_inputs.size(0))
top1.update (prec1.item(), base_inputs.size(0))
top5.update (prec5.item(), base_inputs.size(0))
# update the architecture
arch_optimizer.zero_grad()
logits, expected_flop = network(arch_inputs)
flop_cur = network.module.get_flop('genotype', None, None)
flop_loss, flop_loss_scale = get_flop_loss(expected_flop, flop_cur, flop_need, flop_tolerant)
acls_loss = criterion(logits, arch_targets)
arch_loss = acls_loss + flop_loss * flop_weight
arch_loss.backward()
arch_optimizer.step()
# record
arch_losses.update(arch_loss.item(), arch_inputs.size(0))
arch_flop_losses.update(flop_loss_scale, arch_inputs.size(0))
arch_cls_losses.update (acls_loss.item(), arch_inputs.size(0))
# measure elapsed time
batch_time.update(time.time() - end)
network.train()
logger.log("[Search] : {:}, FLOP-Require={:.2f} MB, FLOP-WEIGHT={:.2f}".format(epoch_str, flop_need, flop_weight))
end = time.time()
if step % print_freq == 0 or (step+1) == len(search_loader):
Sstr = '**TRAIN** ' + time_string() + ' [{:}][{:03d}/{:03d}]'.format(epoch_str, step, len(search_loader))
Tstr = 'Time {batch_time.val:.2f} ({batch_time.avg:.2f}) Data {data_time.val:.2f} ({data_time.avg:.2f})'.format(batch_time=batch_time, data_time=data_time)
Lstr = 'Base-Loss {loss.val:.3f} ({loss.avg:.3f}) Prec@1 {top1.val:.2f} ({top1.avg:.2f}) Prec@5 {top5.val:.2f} ({top5.avg:.2f})'.format(loss=base_losses, top1=top1, top5=top5)
Vstr = 'Acls-loss {aloss.val:.3f} ({aloss.avg:.3f}) FLOP-Loss {floss.val:.3f} ({floss.avg:.3f}) Arch-Loss {loss.val:.3f} ({loss.avg:.3f})'.format(aloss=arch_cls_losses, floss=arch_flop_losses, loss=arch_losses)
logger.log(Sstr + ' ' + Tstr + ' ' + Lstr + ' ' + Vstr)
#num_bytes = torch.cuda.max_memory_allocated( next(network.parameters()).device ) * 1.0
#logger.log(Sstr + ' ' + Tstr + ' ' + Lstr + ' ' + Vstr + ' GPU={:.2f}MB'.format(num_bytes/1e6))
#Istr = 'Bsz={:} Asz={:}'.format(list(base_inputs.size()), list(arch_inputs.size()))
#logger.log(Sstr + ' ' + Tstr + ' ' + Lstr + ' ' + Vstr + ' ' + Istr)
#print(network.module.get_arch_info())
#print(network.module.width_attentions[0])
#print(network.module.width_attentions[1])
network.apply(change_key("search_mode", "search"))
for step, (base_inputs, base_targets, arch_inputs, arch_targets) in enumerate(search_loader):
scheduler.update(None, 1.0 * step / len(search_loader))
# calculate prediction and loss
base_targets = base_targets.cuda(non_blocking=True)
arch_targets = arch_targets.cuda(non_blocking=True)
# measure data loading time
data_time.update(time.time() - end)
logger.log(' **TRAIN** Prec@1 {top1.avg:.2f} Prec@5 {top5.avg:.2f} Error@1 {error1:.2f} Error@5 {error5:.2f} Base-Loss:{baseloss:.3f}, Arch-Loss={archloss:.3f}'.format(top1=top1, top5=top5, error1=100-top1.avg, error5=100-top5.avg, baseloss=base_losses.avg, archloss=arch_losses.avg))
return base_losses.avg, arch_losses.avg, top1.avg, top5.avg
# update the weights
base_optimizer.zero_grad()
logits, expected_flop = network(base_inputs)
base_loss = criterion(logits, base_targets)
base_loss.backward()
base_optimizer.step()
# record
prec1, prec5 = obtain_accuracy(logits.data, base_targets.data, topk=(1, 5))
base_losses.update(base_loss.item(), base_inputs.size(0))
top1.update(prec1.item(), base_inputs.size(0))
top5.update(prec5.item(), base_inputs.size(0))
# update the architecture
arch_optimizer.zero_grad()
logits, expected_flop = network(arch_inputs)
flop_cur = network.module.get_flop("genotype", None, None)
flop_loss, flop_loss_scale = get_flop_loss(expected_flop, flop_cur, flop_need, flop_tolerant)
acls_loss = criterion(logits, arch_targets)
arch_loss = acls_loss + flop_loss * flop_weight
arch_loss.backward()
arch_optimizer.step()
# record
arch_losses.update(arch_loss.item(), arch_inputs.size(0))
arch_flop_losses.update(flop_loss_scale, arch_inputs.size(0))
arch_cls_losses.update(acls_loss.item(), arch_inputs.size(0))
# measure elapsed time
batch_time.update(time.time() - end)
end = time.time()
if step % print_freq == 0 or (step + 1) == len(search_loader):
Sstr = "**TRAIN** " + time_string() + " [{:}][{:03d}/{:03d}]".format(epoch_str, step, len(search_loader))
Tstr = "Time {batch_time.val:.2f} ({batch_time.avg:.2f}) Data {data_time.val:.2f} ({data_time.avg:.2f})".format(
batch_time=batch_time, data_time=data_time
)
Lstr = "Base-Loss {loss.val:.3f} ({loss.avg:.3f}) Prec@1 {top1.val:.2f} ({top1.avg:.2f}) Prec@5 {top5.val:.2f} ({top5.avg:.2f})".format(
loss=base_losses, top1=top1, top5=top5
)
Vstr = "Acls-loss {aloss.val:.3f} ({aloss.avg:.3f}) FLOP-Loss {floss.val:.3f} ({floss.avg:.3f}) Arch-Loss {loss.val:.3f} ({loss.avg:.3f})".format(
aloss=arch_cls_losses, floss=arch_flop_losses, loss=arch_losses
)
logger.log(Sstr + " " + Tstr + " " + Lstr + " " + Vstr)
# num_bytes = torch.cuda.max_memory_allocated( next(network.parameters()).device ) * 1.0
# logger.log(Sstr + ' ' + Tstr + ' ' + Lstr + ' ' + Vstr + ' GPU={:.2f}MB'.format(num_bytes/1e6))
# Istr = 'Bsz={:} Asz={:}'.format(list(base_inputs.size()), list(arch_inputs.size()))
# logger.log(Sstr + ' ' + Tstr + ' ' + Lstr + ' ' + Vstr + ' ' + Istr)
# print(network.module.get_arch_info())
# print(network.module.width_attentions[0])
# print(network.module.width_attentions[1])
logger.log(
" **TRAIN** Prec@1 {top1.avg:.2f} Prec@5 {top5.avg:.2f} Error@1 {error1:.2f} Error@5 {error5:.2f} Base-Loss:{baseloss:.3f}, Arch-Loss={archloss:.3f}".format(
top1=top1,
top5=top5,
error1=100 - top1.avg,
error5=100 - top5.avg,
baseloss=base_losses.avg,
archloss=arch_losses.avg,
)
)
return base_losses.avg, arch_losses.avg, top1.avg, top5.avg

197
lib/procedures/simple_KD_main.py
View File

@@ -3,92 +3,143 @@
#####################################################
import os, sys, time, torch
import torch.nn.functional as F
# our modules
from log_utils import AverageMeter, time_string
from utils import obtain_accuracy
from utils import obtain_accuracy
def simple_KD_train(xloader, teacher, network, criterion, scheduler, optimizer, optim_config, extra_info, print_freq, logger):
loss, acc1, acc5 = procedure(xloader, teacher, network, criterion, scheduler, optimizer, 'train', optim_config, extra_info, print_freq, logger)
return loss, acc1, acc5
def simple_KD_train(
xloader, teacher, network, criterion, scheduler, optimizer, optim_config, extra_info, print_freq, logger
):
loss, acc1, acc5 = procedure(
xloader,
teacher,
network,
criterion,
scheduler,
optimizer,
"train",
optim_config,
extra_info,
print_freq,
logger,
)
return loss, acc1, acc5
def simple_KD_valid(xloader, teacher, network, criterion, optim_config, extra_info, print_freq, logger):
with torch.no_grad():
loss, acc1, acc5 = procedure(xloader, teacher, network, criterion, None, None, 'valid', optim_config, extra_info, print_freq, logger)
return loss, acc1, acc5
with torch.no_grad():
loss, acc1, acc5 = procedure(
xloader, teacher, network, criterion, None, None, "valid", optim_config, extra_info, print_freq, logger
)
return loss, acc1, acc5
def loss_KD_fn(criterion, student_logits, teacher_logits, studentFeatures, teacherFeatures, targets, alpha, temperature):
basic_loss = criterion(student_logits, targets) * (1. - alpha)
log_student= F.log_softmax(student_logits / temperature, dim=1)
sof_teacher= F.softmax (teacher_logits / temperature, dim=1)
KD_loss = F.kl_div(log_student, sof_teacher, reduction='batchmean') * (alpha * temperature * temperature)
return basic_loss + KD_loss
def loss_KD_fn(
criterion, student_logits, teacher_logits, studentFeatures, teacherFeatures, targets, alpha, temperature
):
basic_loss = criterion(student_logits, targets) * (1.0 - alpha)
log_student = F.log_softmax(student_logits / temperature, dim=1)
sof_teacher = F.softmax(teacher_logits / temperature, dim=1)
KD_loss = F.kl_div(log_student, sof_teacher, reduction="batchmean") * (alpha * temperature * temperature)
return basic_loss + KD_loss
def procedure(xloader, teacher, network, criterion, scheduler, optimizer, mode, config, extra_info, print_freq, logger):
data_time, batch_time, losses, top1, top5 = AverageMeter(), AverageMeter(), AverageMeter(), AverageMeter(), AverageMeter()
Ttop1, Ttop5 = AverageMeter(), AverageMeter()
if mode == 'train':
network.train()
elif mode == 'valid':
network.eval()
else: raise ValueError("The mode is not right : {:}".format(mode))
teacher.eval()
logger.log('[{:5s}] config :: auxiliary={:}, KD :: [alpha={:.2f}, temperature={:.2f}]'.format(mode, config.auxiliary if hasattr(config, 'auxiliary') else -1, config.KD_alpha, config.KD_temperature))
end = time.time()
for i, (inputs, targets) in enumerate(xloader):
if mode == 'train': scheduler.update(None, 1.0 * i / len(xloader))
# measure data loading time
data_time.update(time.time() - end)
# calculate prediction and loss
targets = targets.cuda(non_blocking=True)
if mode == 'train': optimizer.zero_grad()
student_f, logits = network(inputs)
if isinstance(logits, list):
assert len(logits) == 2, 'logits must has {:} items instead of {:}'.format(2, len(logits))
logits, logits_aux = logits
data_time, batch_time, losses, top1, top5 = (
AverageMeter(),
AverageMeter(),
AverageMeter(),
AverageMeter(),
AverageMeter(),
)
Ttop1, Ttop5 = AverageMeter(), AverageMeter()
if mode == "train":
network.train()
elif mode == "valid":
network.eval()
else:
logits, logits_aux = logits, None
with torch.no_grad():
teacher_f, teacher_logits = teacher(inputs)
raise ValueError("The mode is not right : {:}".format(mode))
teacher.eval()
loss = loss_KD_fn(criterion, logits, teacher_logits, student_f, teacher_f, targets, config.KD_alpha, config.KD_temperature)
if config is not None and hasattr(config, 'auxiliary') and config.auxiliary > 0:
loss_aux = criterion(logits_aux, targets)
loss += config.auxiliary * loss_aux
if mode == 'train':
loss.backward()
optimizer.step()
# record
sprec1, sprec5 = obtain_accuracy(logits.data, targets.data, topk=(1, 5))
losses.update(loss.item(), inputs.size(0))
top1.update (sprec1.item(), inputs.size(0))
top5.update (sprec5.item(), inputs.size(0))
# teacher
tprec1, tprec5 = obtain_accuracy(teacher_logits.data, targets.data, topk=(1, 5))
Ttop1.update (tprec1.item(), inputs.size(0))
Ttop5.update (tprec5.item(), inputs.size(0))
# measure elapsed time
batch_time.update(time.time() - end)
logger.log(
"[{:5s}] config :: auxiliary={:}, KD :: [alpha={:.2f}, temperature={:.2f}]".format(
mode, config.auxiliary if hasattr(config, "auxiliary") else -1, config.KD_alpha, config.KD_temperature
)
)
end = time.time()
for i, (inputs, targets) in enumerate(xloader):
if mode == "train":
scheduler.update(None, 1.0 * i / len(xloader))
# measure data loading time
data_time.update(time.time() - end)
# calculate prediction and loss
targets = targets.cuda(non_blocking=True)
if i % print_freq == 0 or (i+1) == len(xloader):
Sstr = ' {:5s} '.format(mode.upper()) + time_string() + ' [{:}][{:03d}/{:03d}]'.format(extra_info, i, len(xloader))
if scheduler is not None:
Sstr += ' {:}'.format(scheduler.get_min_info())
Tstr = 'Time {batch_time.val:.2f} ({batch_time.avg:.2f}) Data {data_time.val:.2f} ({data_time.avg:.2f})'.format(batch_time=batch_time, data_time=data_time)
Lstr = 'Loss {loss.val:.3f} ({loss.avg:.3f}) Prec@1 {top1.val:.2f} ({top1.avg:.2f}) Prec@5 {top5.val:.2f} ({top5.avg:.2f})'.format(loss=losses, top1=top1, top5=top5)
Lstr+= ' Teacher : acc@1={:.2f}, acc@5={:.2f}'.format(Ttop1.avg, Ttop5.avg)
Istr = 'Size={:}'.format(list(inputs.size()))
logger.log(Sstr + ' ' + Tstr + ' ' + Lstr + ' ' + Istr)
if mode == "train":
optimizer.zero_grad()
logger.log(' **{:5s}** accuracy drop :: @1={:.2f}, @5={:.2f}'.format(mode.upper(), Ttop1.avg - top1.avg, Ttop5.avg - top5.avg))
logger.log(' **{mode:5s}** Prec@1 {top1.avg:.2f} Prec@5 {top5.avg:.2f} Error@1 {error1:.2f} Error@5 {error5:.2f} Loss:{loss:.3f}'.format(mode=mode.upper(), top1=top1, top5=top5, error1=100-top1.avg, error5=100-top5.avg, loss=losses.avg))
return losses.avg, top1.avg, top5.avg
student_f, logits = network(inputs)
if isinstance(logits, list):
assert len(logits) == 2, "logits must has {:} items instead of {:}".format(2, len(logits))
logits, logits_aux = logits
else:
logits, logits_aux = logits, None
with torch.no_grad():
teacher_f, teacher_logits = teacher(inputs)
loss = loss_KD_fn(
criterion, logits, teacher_logits, student_f, teacher_f, targets, config.KD_alpha, config.KD_temperature
)
if config is not None and hasattr(config, "auxiliary") and config.auxiliary > 0:
loss_aux = criterion(logits_aux, targets)
loss += config.auxiliary * loss_aux
if mode == "train":
loss.backward()
optimizer.step()
# record
sprec1, sprec5 = obtain_accuracy(logits.data, targets.data, topk=(1, 5))
losses.update(loss.item(), inputs.size(0))
top1.update(sprec1.item(), inputs.size(0))
top5.update(sprec5.item(), inputs.size(0))
# teacher
tprec1, tprec5 = obtain_accuracy(teacher_logits.data, targets.data, topk=(1, 5))
Ttop1.update(tprec1.item(), inputs.size(0))
Ttop5.update(tprec5.item(), inputs.size(0))
# measure elapsed time
batch_time.update(time.time() - end)
end = time.time()
if i % print_freq == 0 or (i + 1) == len(xloader):
Sstr = (
" {:5s} ".format(mode.upper())
+ time_string()
+ " [{:}][{:03d}/{:03d}]".format(extra_info, i, len(xloader))
)
if scheduler is not None:
Sstr += " {:}".format(scheduler.get_min_info())
Tstr = "Time {batch_time.val:.2f} ({batch_time.avg:.2f}) Data {data_time.val:.2f} ({data_time.avg:.2f})".format(
batch_time=batch_time, data_time=data_time
)
Lstr = "Loss {loss.val:.3f} ({loss.avg:.3f}) Prec@1 {top1.val:.2f} ({top1.avg:.2f}) Prec@5 {top5.val:.2f} ({top5.avg:.2f})".format(
loss=losses, top1=top1, top5=top5
)
Lstr += " Teacher : acc@1={:.2f}, acc@5={:.2f}".format(Ttop1.avg, Ttop5.avg)
Istr = "Size={:}".format(list(inputs.size()))
logger.log(Sstr + " " + Tstr + " " + Lstr + " " + Istr)
logger.log(
" **{:5s}** accuracy drop :: @1={:.2f}, @5={:.2f}".format(
mode.upper(), Ttop1.avg - top1.avg, Ttop5.avg - top5.avg
)
)
logger.log(
" **{mode:5s}** Prec@1 {top1.avg:.2f} Prec@5 {top5.avg:.2f} Error@1 {error1:.2f} Error@5 {error5:.2f} Loss:{loss:.3f}".format(
mode=mode.upper(), top1=top1, top5=top5, error1=100 - top1.avg, error5=100 - top5.avg, loss=losses.avg
)
)
return losses.avg, top1.avg, top5.avg

97
lib/procedures/starts.py
View File

@@ -3,62 +3,71 @@
##################################################
import os, sys, torch, random, PIL, copy, numpy as np
from os import path as osp
from shutil import copyfile
from shutil import copyfile
def prepare_seed(rand_seed):
random.seed(rand_seed)
np.random.seed(rand_seed)
torch.manual_seed(rand_seed)
torch.cuda.manual_seed(rand_seed)
torch.cuda.manual_seed_all(rand_seed)
random.seed(rand_seed)
np.random.seed(rand_seed)
torch.manual_seed(rand_seed)
torch.cuda.manual_seed(rand_seed)
torch.cuda.manual_seed_all(rand_seed)
def prepare_logger(xargs):
args = copy.deepcopy( xargs )
from log_utils import Logger
logger = Logger(args.save_dir, args.rand_seed)
logger.log('Main Function with logger : {:}'.format(logger))
logger.log('Arguments : -------------------------------')
for name, value in args._get_kwargs():
logger.log('{:16} : {:}'.format(name, value))
logger.log("Python Version : {:}".format(sys.version.replace('\n', ' ')))
logger.log("Pillow Version : {:}".format(PIL.__version__))
logger.log("PyTorch Version : {:}".format(torch.__version__))
logger.log("cuDNN Version : {:}".format(torch.backends.cudnn.version()))
logger.log("CUDA available : {:}".format(torch.cuda.is_available()))
logger.log("CUDA GPU numbers : {:}".format(torch.cuda.device_count()))
logger.log("CUDA_VISIBLE_DEVICES : {:}".format(os.environ['CUDA_VISIBLE_DEVICES'] if 'CUDA_VISIBLE_DEVICES' in os.environ else 'None'))
return logger
args = copy.deepcopy(xargs)
from log_utils import Logger
logger = Logger(args.save_dir, args.rand_seed)
logger.log("Main Function with logger : {:}".format(logger))
logger.log("Arguments : -------------------------------")
for name, value in args._get_kwargs():
logger.log("{:16} : {:}".format(name, value))
logger.log("Python Version : {:}".format(sys.version.replace("\n", " ")))
logger.log("Pillow Version : {:}".format(PIL.__version__))
logger.log("PyTorch Version : {:}".format(torch.__version__))
logger.log("cuDNN Version : {:}".format(torch.backends.cudnn.version()))
logger.log("CUDA available : {:}".format(torch.cuda.is_available()))
logger.log("CUDA GPU numbers : {:}".format(torch.cuda.device_count()))
logger.log(
"CUDA_VISIBLE_DEVICES : {:}".format(
os.environ["CUDA_VISIBLE_DEVICES"] if "CUDA_VISIBLE_DEVICES" in os.environ else "None"
)
)
return logger
def get_machine_info():
info = "Python Version : {:}".format(sys.version.replace('\n', ' '))
info+= "\nPillow Version : {:}".format(PIL.__version__)
info+= "\nPyTorch Version : {:}".format(torch.__version__)
info+= "\ncuDNN Version : {:}".format(torch.backends.cudnn.version())
info+= "\nCUDA available : {:}".format(torch.cuda.is_available())
info+= "\nCUDA GPU numbers : {:}".format(torch.cuda.device_count())
if 'CUDA_VISIBLE_DEVICES' in os.environ:
info+= "\nCUDA_VISIBLE_DEVICES={:}".format(os.environ['CUDA_VISIBLE_DEVICES'])
else:
info+= "\nDoes not set CUDA_VISIBLE_DEVICES"
return info
info = "Python Version : {:}".format(sys.version.replace("\n", " "))
info += "\nPillow Version : {:}".format(PIL.__version__)
info += "\nPyTorch Version : {:}".format(torch.__version__)
info += "\ncuDNN Version : {:}".format(torch.backends.cudnn.version())
info += "\nCUDA available : {:}".format(torch.cuda.is_available())
info += "\nCUDA GPU numbers : {:}".format(torch.cuda.device_count())
if "CUDA_VISIBLE_DEVICES" in os.environ:
info += "\nCUDA_VISIBLE_DEVICES={:}".format(os.environ["CUDA_VISIBLE_DEVICES"])
else:
info += "\nDoes not set CUDA_VISIBLE_DEVICES"
return info
def save_checkpoint(state, filename, logger):
if osp.isfile(filename):
if hasattr(logger, 'log'): logger.log('Find {:} exist, delete is at first before saving'.format(filename))
os.remove(filename)
torch.save(state, filename)
assert osp.isfile(filename), 'save filename : {:} failed, which is not found.'.format(filename)
if hasattr(logger, 'log'): logger.log('save checkpoint into {:}'.format(filename))
return filename
if osp.isfile(filename):
if hasattr(logger, "log"):
logger.log("Find {:} exist, delete is at first before saving".format(filename))
os.remove(filename)
torch.save(state, filename)
assert osp.isfile(filename), "save filename : {:} failed, which is not found.".format(filename)
if hasattr(logger, "log"):
logger.log("save checkpoint into {:}".format(filename))
return filename
def copy_checkpoint(src, dst, logger):
if osp.isfile(dst):
if hasattr(logger, 'log'): logger.log('Find {:} exist, delete is at first before saving'.format(dst))
os.remove(dst)
copyfile(src, dst)
if hasattr(logger, 'log'): logger.log('copy the file from {:} into {:}'.format(src, dst))
if osp.isfile(dst):
if hasattr(logger, "log"):
logger.log("Find {:} exist, delete is at first before saving".format(dst))
os.remove(dst)
copyfile(src, dst)
if hasattr(logger, "log"):
logger.log("copy the file from {:} into {:}".format(src, dst))