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102->201 / NAS->autoDL / more configs of TAS / reorganize docs / fix bugs in NAS baselines

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This commit is contained in:
D-X-Y
2020-01-15 00:52:06 +11:00
parent 33384a78af
commit bb2f405961
62 changed files with 789 additions and 412 deletions
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13
exps/algos/BOHB.py
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@@ -1,9 +1,10 @@
##################################################
# Copyright (c) Xuanyi Dong [GitHub D-X-Y], 2019 #
##################################################
# required to install hpbandster #################
# bash ./scripts-search/algos/BOHB.sh -1 #
##################################################
# Copyright (c) Xuanyi Dong [GitHub D-X-Y], 2020 #
###################################################################
# BOHB: Robust and Efficient Hyperparameter Optimization at Scale #
# required to install hpbandster ##################################
# bash ./scripts-search/algos/BOHB.sh -1 ##################
###################################################################
import os, sys, time, glob, random, argparse
import numpy as np, collections
from copy import deepcopy
@@ -17,7 +18,7 @@ from datasets import get_datasets, SearchDataset
from procedures import prepare_seed, prepare_logger, save_checkpoint, copy_checkpoint, get_optim_scheduler
from utils import get_model_infos, obtain_accuracy
from log_utils import AverageMeter, time_string, convert_secs2time
from nas_102_api import NASBench102API as API
from nas_201_api import NASBench201API as API
from models import CellStructure, get_search_spaces
# BOHB: Robust and Efficient Hyperparameter Optimization at Scale, ICML 2018
import ConfigSpace

4
exps/algos/DARTS-V1.py
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@@ -1,5 +1,5 @@
##################################################
# Copyright (c) Xuanyi Dong [GitHub D-X-Y], 2019 #
# Copyright (c) Xuanyi Dong [GitHub D-X-Y], 2020 #
########################################################
# DARTS: Differentiable Architecture Search, ICLR 2019 #
########################################################
@@ -17,7 +17,7 @@ from procedures import prepare_seed, prepare_logger, save_checkpoint, copy_che
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, get_search_spaces
from nas_102_api import NASBench102API as API
from nas_201_api import NASBench201API as API
def search_func(xloader, network, criterion, scheduler, w_optimizer, a_optimizer, epoch_str, print_freq, logger):

4
exps/algos/DARTS-V2.py
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@@ -1,5 +1,5 @@
##################################################
# Copyright (c) Xuanyi Dong [GitHub D-X-Y], 2019 #
# Copyright (c) Xuanyi Dong [GitHub D-X-Y], 2020 #
########################################################
# DARTS: Differentiable Architecture Search, ICLR 2019 #
########################################################
@@ -17,7 +17,7 @@ from procedures import prepare_seed, prepare_logger, save_checkpoint, copy_che
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, get_search_spaces
from nas_102_api import NASBench102API as API
from nas_201_api import NASBench201API as API
def _concat(xs):

8
exps/algos/ENAS.py
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@@ -1,6 +1,8 @@
##################################################
# Copyright (c) Xuanyi Dong [GitHub D-X-Y], 2019 #
##################################################
# Copyright (c) Xuanyi Dong [GitHub D-X-Y], 2020 #
##########################################################################
# Efficient Neural Architecture Search via Parameters Sharing, ICML 2018 #
##########################################################################
import os, sys, time, glob, random, argparse
import numpy as np
from copy import deepcopy
@@ -15,7 +17,7 @@ from procedures import prepare_seed, prepare_logger, save_checkpoint, copy_che
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, get_search_spaces
from nas_102_api import NASBench102API as API
from nas_201_api import NASBench201API as API
def train_shared_cnn(xloader, shared_cnn, controller, criterion, scheduler, optimizer, epoch_str, print_freq, logger):

4
exps/algos/GDAS.py
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@@ -1,5 +1,5 @@
##################################################
# Copyright (c) Xuanyi Dong [GitHub D-X-Y], 2019 #
# Copyright (c) Xuanyi Dong [GitHub D-X-Y], 2020 #
###########################################################################
# Searching for A Robust Neural Architecture in Four GPU Hours, CVPR 2019 #
###########################################################################
@@ -17,7 +17,7 @@ from procedures import prepare_seed, prepare_logger, save_checkpoint, copy_che
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, get_search_spaces
from nas_102_api import NASBench102API as API
from nas_201_api import NASBench201API as API
def search_func(xloader, network, criterion, scheduler, w_optimizer, a_optimizer, epoch_str, print_freq, logger):

8
exps/algos/RANDOM-NAS.py
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@@ -1,6 +1,8 @@
##################################################
# Copyright (c) Xuanyi Dong [GitHub D-X-Y], 2019 #
##################################################
# Copyright (c) Xuanyi Dong [GitHub D-X-Y], 2020 #
##############################################################################
# Random Search and Reproducibility for Neural Architecture Search, UAI 2019 #
##############################################################################
import os, sys, time, glob, random, argparse
import numpy as np
from copy import deepcopy
@@ -15,7 +17,7 @@ from procedures import prepare_seed, prepare_logger, save_checkpoint, copy_che
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, get_search_spaces
from nas_102_api import NASBench102API as API
from nas_201_api import NASBench201API as API
def search_func(xloader, network, criterion, scheduler, w_optimizer, epoch_str, print_freq, logger):

6
exps/algos/RANDOM.py
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@@ -1,6 +1,6 @@
##################################################
# Copyright (c) Xuanyi Dong [GitHub D-X-Y], 2019 #
##################################################
# Copyright (c) Xuanyi Dong [GitHub D-X-Y], 2020 #
##############################################################################
import os, sys, time, glob, random, argparse
import numpy as np, collections
from copy import deepcopy
@@ -15,7 +15,7 @@ from procedures import prepare_seed, prepare_logger, save_checkpoint, copy_che
from utils import get_model_infos, obtain_accuracy
from log_utils import AverageMeter, time_string, convert_secs2time
from models import get_search_spaces
from nas_102_api import NASBench102API as API
from nas_201_api import NASBench201API as API
from R_EA import train_and_eval, random_architecture_func

30
exps/algos/R_EA.py
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@@ -1,5 +1,5 @@
##################################################
# Copyright (c) Xuanyi Dong [GitHub D-X-Y], 2019 #
# Copyright (c) Xuanyi Dong [GitHub D-X-Y], 2020 #
##################################################################
# Regularized Evolution for Image Classifier Architecture Search #
##################################################################
@@ -16,7 +16,7 @@ from datasets import get_datasets, SearchDataset
from procedures import prepare_seed, prepare_logger, save_checkpoint, copy_checkpoint, get_optim_scheduler
from utils import get_model_infos, obtain_accuracy
from log_utils import AverageMeter, time_string, convert_secs2time
from nas_102_api import NASBench102API as API
from nas_201_api import NASBench201API as API
from models import CellStructure, get_search_spaces
@@ -31,30 +31,8 @@ class Model(object):
return '{:}'.format(self.arch)
def valid_func(xloader, network, criterion):
data_time, batch_time = AverageMeter(), AverageMeter()
arch_losses, arch_top1, arch_top5 = AverageMeter(), AverageMeter(), AverageMeter()
network.train()
end = time.time()
with torch.no_grad():
for step, (arch_inputs, arch_targets) in enumerate(xloader):
arch_targets = arch_targets.cuda(non_blocking=True)
# measure data loading time
data_time.update(time.time() - end)
# prediction
_, logits = network(arch_inputs)
arch_loss = criterion(logits, arch_targets)
# record
arch_prec1, arch_prec5 = obtain_accuracy(logits.data, arch_targets.data, topk=(1, 5))
arch_losses.update(arch_loss.item(), arch_inputs.size(0))
arch_top1.update (arch_prec1.item(), arch_inputs.size(0))
arch_top5.update (arch_prec5.item(), arch_inputs.size(0))
# measure elapsed time
batch_time.update(time.time() - end)
end = time.time()
return arch_losses.avg, arch_top1.avg, arch_top5.avg
# This function is to mimic the training and evaluatinig procedure for a single architecture `arch`.
# The time_cost is calculated as the total training time for a few (e.g., 12 epochs) plus the evaluation time for one epoch.
def train_and_eval(arch, nas_bench, extra_info):
if nas_bench is not None:
arch_index = nas_bench.query_index_by_arch( arch )

4
exps/algos/SETN.py
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@@ -1,5 +1,5 @@
##################################################
# Copyright (c) Xuanyi Dong [GitHub D-X-Y], 2019 #
# Copyright (c) Xuanyi Dong [GitHub D-X-Y], 2020 #
######################################################################################
# One-Shot Neural Architecture Search via Self-Evaluated Template Network, ICCV 2019 #
######################################################################################
@@ -17,7 +17,7 @@ from procedures import prepare_seed, prepare_logger, save_checkpoint, copy_che
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, get_search_spaces
from nas_102_api import NASBench102API as API
from nas_201_api import NASBench201API as API
def search_func(xloader, network, criterion, scheduler, w_optimizer, a_optimizer, epoch_str, print_freq, logger):

9
exps/algos/reinforce.py
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@@ -17,7 +17,7 @@ from datasets import get_datasets, SearchDataset
from procedures import prepare_seed, prepare_logger, save_checkpoint, copy_checkpoint, get_optim_scheduler
from utils import get_model_infos, obtain_accuracy
from log_utils import AverageMeter, time_string, convert_secs2time
from nas_102_api import NASBench102API as API
from nas_201_api import NASBench201API as API
from models import CellStructure, get_search_spaces
from R_EA import train_and_eval
@@ -128,6 +128,7 @@ def main(xargs, nas_bench):
search_space = get_search_spaces('cell', xargs.search_space_name)
policy = Policy(xargs.max_nodes, search_space)
optimizer = torch.optim.Adam(policy.parameters(), lr=xargs.learning_rate)
#optimizer = torch.optim.SGD(policy.parameters(), lr=xargs.learning_rate)
eps = np.finfo(np.float32).eps.item()
baseline = ExponentialMovingAverage(xargs.EMA_momentum)
logger.log('policy : {:}'.format(policy))
@@ -141,13 +142,14 @@ def main(xargs, nas_bench):
# attempts = 0
x_start_time = time.time()
logger.log('Will start searching with time budget of {:} s.'.format(xargs.time_budget))
total_steps, total_costs = 0, 0
total_steps, total_costs, trace = 0, 0, []
#for istep in range(xargs.RL_steps):
while total_costs < xargs.time_budget:
start_time = time.time()
log_prob, action = select_action( policy )
arch = policy.generate_arch( action )
reward, cost_time = train_and_eval(arch, nas_bench, extra_info)
trace.append( (reward, arch) )
# accumulate time
if total_costs + cost_time < xargs.time_budget:
total_costs += cost_time
@@ -166,7 +168,8 @@ def main(xargs, nas_bench):
#logger.log('----> {:}'.format(policy.arch_parameters))
#logger.log('')
best_arch = policy.genotype()
# best_arch = policy.genotype() # first version
best_arch = max(trace, key=lambda x: x[0])[1]
logger.log('REINFORCE finish with {:} steps and {:.1f} s (real cost={:.3f}).'.format(total_steps, total_costs, time.time()-x_start_time))
info = nas_bench.query_by_arch( best_arch )
if info is None: logger.log('Did not find this architecture : {:}.'.format(best_arch))