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				|  |  |  |  | ################################################## | 
		
	
		
			
				|  |  |  |  | # Copyright (c) Xuanyi Dong [GitHub D-X-Y], 2019 # | 
		
	
		
			
				|  |  |  |  | ################################################## | 
		
	
		
			
				|  |  |  |  | import os, sys, time, argparse, collections | 
		
	
		
			
				|  |  |  |  | from copy import deepcopy | 
		
	
		
			
				|  |  |  |  | import torch | 
		
	
		
			
				|  |  |  |  | import torch.nn as nn | 
		
	
		
			
				|  |  |  |  | from pathlib import Path | 
		
	
		
			
				|  |  |  |  | from collections import defaultdict | 
		
	
		
			
				|  |  |  |  | lib_dir = (Path(__file__).parent / '..' / '..' / 'lib').resolve() | 
		
	
		
			
				|  |  |  |  | if str(lib_dir) not in sys.path: sys.path.insert(0, str(lib_dir)) | 
		
	
		
			
				|  |  |  |  | from log_utils    import AverageMeter, time_string, convert_secs2time | 
		
	
		
			
				|  |  |  |  | from config_utils import load_config, dict2config | 
		
	
		
			
				|  |  |  |  | from datasets     import get_datasets | 
		
	
		
			
				|  |  |  |  | # NAS-Bench-102 related module or function | 
		
	
		
			
				|  |  |  |  | from models       import CellStructure, get_cell_based_tiny_net | 
		
	
		
			
				|  |  |  |  | from nas_102_api  import ArchResults, ResultsCount | 
		
	
		
			
				|  |  |  |  | from functions    import pure_evaluate | 
		
	
		
			
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				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  | def create_result_count(used_seed, dataset, arch_config, results, dataloader_dict): | 
		
	
		
			
				|  |  |  |  |   xresult     = ResultsCount(dataset, results['net_state_dict'], results['train_acc1es'], results['train_losses'], \ | 
		
	
		
			
				|  |  |  |  |                                results['param'], results['flop'], arch_config, used_seed, results['total_epoch'], None) | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   net_config = dict2config({'name': 'infer.tiny', 'C': arch_config['channel'], 'N': arch_config['num_cells'], 'genotype': CellStructure.str2structure(arch_config['arch_str']), 'num_classes':arch_config['class_num']}, None) | 
		
	
		
			
				|  |  |  |  |   network = get_cell_based_tiny_net(net_config) | 
		
	
		
			
				|  |  |  |  |   network.load_state_dict(xresult.get_net_param()) | 
		
	
		
			
				|  |  |  |  |   if 'train_times' in results: # new version | 
		
	
		
			
				|  |  |  |  |     xresult.update_train_info(results['train_acc1es'], results['train_acc5es'], results['train_losses'], results['train_times']) | 
		
	
		
			
				|  |  |  |  |     xresult.update_eval(results['valid_acc1es'], results['valid_losses'], results['valid_times']) | 
		
	
		
			
				|  |  |  |  |   else: | 
		
	
		
			
				|  |  |  |  |     if dataset == 'cifar10-valid': | 
		
	
		
			
				|  |  |  |  |       xresult.update_OLD_eval('x-valid' , results['valid_acc1es'], results['valid_losses']) | 
		
	
		
			
				|  |  |  |  |       loss, top1, top5, latencies = pure_evaluate(dataloader_dict['{:}@{:}'.format('cifar10', 'test')], network.cuda()) | 
		
	
		
			
				|  |  |  |  |       xresult.update_OLD_eval('ori-test', {results['total_epoch']-1: top1}, {results['total_epoch']-1: loss}) | 
		
	
		
			
				|  |  |  |  |       xresult.update_latency(latencies) | 
		
	
		
			
				|  |  |  |  |     elif dataset == 'cifar10': | 
		
	
		
			
				|  |  |  |  |       xresult.update_OLD_eval('ori-test', results['valid_acc1es'], results['valid_losses']) | 
		
	
		
			
				|  |  |  |  |       loss, top1, top5, latencies = pure_evaluate(dataloader_dict['{:}@{:}'.format(dataset, 'test')], network.cuda()) | 
		
	
		
			
				|  |  |  |  |       xresult.update_latency(latencies) | 
		
	
		
			
				|  |  |  |  |     elif dataset == 'cifar100' or dataset == 'ImageNet16-120': | 
		
	
		
			
				|  |  |  |  |       xresult.update_OLD_eval('ori-test', results['valid_acc1es'], results['valid_losses']) | 
		
	
		
			
				|  |  |  |  |       loss, top1, top5, latencies = pure_evaluate(dataloader_dict['{:}@{:}'.format(dataset, 'valid')], network.cuda()) | 
		
	
		
			
				|  |  |  |  |       xresult.update_OLD_eval('x-valid', {results['total_epoch']-1: top1}, {results['total_epoch']-1: loss}) | 
		
	
		
			
				|  |  |  |  |       loss, top1, top5, latencies = pure_evaluate(dataloader_dict['{:}@{:}'.format(dataset,  'test')], network.cuda()) | 
		
	
		
			
				|  |  |  |  |       xresult.update_OLD_eval('x-test' , {results['total_epoch']-1: top1}, {results['total_epoch']-1: loss}) | 
		
	
		
			
				|  |  |  |  |       xresult.update_latency(latencies) | 
		
	
		
			
				|  |  |  |  |     else: | 
		
	
		
			
				|  |  |  |  |       raise ValueError('invalid dataset name : {:}'.format(dataset)) | 
		
	
		
			
				|  |  |  |  |   return xresult | 
		
	
		
			
				|  |  |  |  |    | 
		
	
		
			
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				|  |  |  |  | def account_one_arch(arch_index, arch_str, checkpoints, datasets, dataloader_dict): | 
		
	
		
			
				|  |  |  |  |   information = ArchResults(arch_index, arch_str) | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   for checkpoint_path in checkpoints: | 
		
	
		
			
				|  |  |  |  |     checkpoint = torch.load(checkpoint_path, map_location='cpu') | 
		
	
		
			
				|  |  |  |  |     used_seed  = checkpoint_path.name.split('-')[-1].split('.')[0] | 
		
	
		
			
				|  |  |  |  |     for dataset in datasets: | 
		
	
		
			
				|  |  |  |  |       assert dataset in checkpoint, 'Can not find {:} in arch-{:} from {:}'.format(dataset, arch_index, checkpoint_path) | 
		
	
		
			
				|  |  |  |  |       results     = checkpoint[dataset] | 
		
	
		
			
				|  |  |  |  |       assert results['finish-train'], 'This {:} arch seed={:} does not finish train on {:} ::: {:}'.format(arch_index, used_seed, dataset, checkpoint_path) | 
		
	
		
			
				|  |  |  |  |       arch_config = {'channel': results['channel'], 'num_cells': results['num_cells'], 'arch_str': arch_str, 'class_num': results['config']['class_num']} | 
		
	
		
			
				|  |  |  |  |        | 
		
	
		
			
				|  |  |  |  |       xresult = create_result_count(used_seed, dataset, arch_config, results, dataloader_dict) | 
		
	
		
			
				|  |  |  |  |       information.update(dataset, int(used_seed), xresult) | 
		
	
		
			
				|  |  |  |  |   return information | 
		
	
		
			
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				|  |  |  |  | def GET_DataLoaders(workers): | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   torch.set_num_threads(workers) | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   root_dir  = (Path(__file__).parent / '..' / '..').resolve() | 
		
	
		
			
				|  |  |  |  |   torch_dir = 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) | 
		
	
		
			
				|  |  |  |  |   print ('{:} Create data-loader for all datasets'.format(time_string())) | 
		
	
		
			
				|  |  |  |  |   print ('-'*200) | 
		
	
		
			
				|  |  |  |  |   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 = 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 ('-'*200) | 
		
	
		
			
				|  |  |  |  |   # 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 ('-'*200) | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   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)) | 
		
	
		
			
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				|  |  |  |  |   # '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 | 
		
	
		
			
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				|  |  |  |  | def simplify(save_dir, meta_file, basestr, target_dir): | 
		
	
		
			
				|  |  |  |  |   meta_infos     = torch.load(meta_file, map_location='cpu') | 
		
	
		
			
				|  |  |  |  |   meta_archs     = meta_infos['archs'] # a list of architecture strings | 
		
	
		
			
				|  |  |  |  |   meta_num_archs = meta_infos['total'] | 
		
	
		
			
				|  |  |  |  |   meta_max_node  = meta_infos['max_node'] | 
		
	
		
			
				|  |  |  |  |   assert meta_num_archs == len(meta_archs), 'invalid number of archs : {:} vs {:}'.format(meta_num_archs, len(meta_archs)) | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   sub_model_dirs = sorted(list(save_dir.glob('*-*-{:}'.format(basestr)))) | 
		
	
		
			
				|  |  |  |  |   print ('{:} find {:} directories used to save checkpoints'.format(time_string(), len(sub_model_dirs))) | 
		
	
		
			
				|  |  |  |  |    | 
		
	
		
			
				|  |  |  |  |   subdir2archs, num_evaluated_arch = collections.OrderedDict(), 0 | 
		
	
		
			
				|  |  |  |  |   num_seeds = defaultdict(lambda: 0) | 
		
	
		
			
				|  |  |  |  |   for index, sub_dir in enumerate(sub_model_dirs): | 
		
	
		
			
				|  |  |  |  |     xcheckpoints = list(sub_dir.glob('arch-*-seed-*.pth')) | 
		
	
		
			
				|  |  |  |  |     arch_indexes = set() | 
		
	
		
			
				|  |  |  |  |     for checkpoint in xcheckpoints: | 
		
	
		
			
				|  |  |  |  |       temp_names = checkpoint.name.split('-') | 
		
	
		
			
				|  |  |  |  |       assert len(temp_names) == 4 and temp_names[0] == 'arch' and temp_names[2] == 'seed', 'invalid checkpoint name : {:}'.format(checkpoint.name) | 
		
	
		
			
				|  |  |  |  |       arch_indexes.add( temp_names[1] ) | 
		
	
		
			
				|  |  |  |  |     subdir2archs[sub_dir] = sorted(list(arch_indexes)) | 
		
	
		
			
				|  |  |  |  |     num_evaluated_arch   += len(arch_indexes) | 
		
	
		
			
				|  |  |  |  |     # count number of seeds for each architecture | 
		
	
		
			
				|  |  |  |  |     for arch_index in arch_indexes: | 
		
	
		
			
				|  |  |  |  |       num_seeds[ len(list(sub_dir.glob('arch-{:}-seed-*.pth'.format(arch_index)))) ] += 1 | 
		
	
		
			
				|  |  |  |  |   print('{:} There are {:5d} architectures that have been evaluated ({:} in total).'.format(time_string(), num_evaluated_arch, meta_num_archs)) | 
		
	
		
			
				|  |  |  |  |   for key in sorted( list( num_seeds.keys() ) ): print ('{:} There are {:5d} architectures that are evaluated {:} times.'.format(time_string(), num_seeds[key], key)) | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   dataloader_dict = GET_DataLoaders( 6 ) | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   to_save_simply = save_dir / 'simplifies' | 
		
	
		
			
				|  |  |  |  |   to_save_allarc = save_dir / 'simplifies' / 'architectures' | 
		
	
		
			
				|  |  |  |  |   if not to_save_simply.exists(): to_save_simply.mkdir(parents=True, exist_ok=True) | 
		
	
		
			
				|  |  |  |  |   if not to_save_allarc.exists(): to_save_allarc.mkdir(parents=True, exist_ok=True) | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   assert (save_dir / target_dir) in subdir2archs, 'can not find {:}'.format(target_dir) | 
		
	
		
			
				|  |  |  |  |   arch2infos, datasets = {}, ('cifar10-valid', 'cifar10', 'cifar100', 'ImageNet16-120') | 
		
	
		
			
				|  |  |  |  |   evaluated_indexes    = set() | 
		
	
		
			
				|  |  |  |  |   target_directory     = save_dir / target_dir | 
		
	
		
			
				|  |  |  |  |   target_less_dir      = save_dir / '{:}-LESS'.format(target_dir) | 
		
	
		
			
				|  |  |  |  |   arch_indexes         = subdir2archs[ target_directory ] | 
		
	
		
			
				|  |  |  |  |   num_seeds            = defaultdict(lambda: 0) | 
		
	
		
			
				|  |  |  |  |   end_time             = time.time() | 
		
	
		
			
				|  |  |  |  |   arch_time            = AverageMeter() | 
		
	
		
			
				|  |  |  |  |   for idx, arch_index in enumerate(arch_indexes): | 
		
	
		
			
				|  |  |  |  |     checkpoints = list(target_directory.glob('arch-{:}-seed-*.pth'.format(arch_index))) | 
		
	
		
			
				|  |  |  |  |     ckps_less   = list(target_less_dir.glob('arch-{:}-seed-*.pth'.format(arch_index))) | 
		
	
		
			
				|  |  |  |  |     # create the arch info for each architecture | 
		
	
		
			
				|  |  |  |  |     try: | 
		
	
		
			
				|  |  |  |  |       arch_info_full = account_one_arch(arch_index, meta_archs[int(arch_index)], checkpoints, datasets, dataloader_dict) | 
		
	
		
			
				|  |  |  |  |       arch_info_less = account_one_arch(arch_index, meta_archs[int(arch_index)], ckps_less, ['cifar10-valid'], dataloader_dict) | 
		
	
		
			
				|  |  |  |  |       num_seeds[ len(checkpoints) ] += 1 | 
		
	
		
			
				|  |  |  |  |     except: | 
		
	
		
			
				|  |  |  |  |       print('Loading {:} failed, : {:}'.format(arch_index, checkpoints)) | 
		
	
		
			
				|  |  |  |  |       continue | 
		
	
		
			
				|  |  |  |  |     assert int(arch_index) not in evaluated_indexes, 'conflict arch-index : {:}'.format(arch_index) | 
		
	
		
			
				|  |  |  |  |     assert 0 <= int(arch_index) < len(meta_archs), 'invalid arch-index {:} (not found in meta_archs)'.format(arch_index) | 
		
	
		
			
				|  |  |  |  |     arch_info = {'full': arch_info_full, 'less': arch_info_less} | 
		
	
		
			
				|  |  |  |  |     evaluated_indexes.add( int(arch_index) ) | 
		
	
		
			
				|  |  |  |  |     arch2infos[int(arch_index)] = arch_info | 
		
	
		
			
				|  |  |  |  |     torch.save({'full': arch_info_full.state_dict(), | 
		
	
		
			
				|  |  |  |  |                 'less': arch_info_less.state_dict()}, to_save_allarc / '{:}-FULL.pth'.format(arch_index)) | 
		
	
		
			
				|  |  |  |  |     arch_info['full'].clear_params() | 
		
	
		
			
				|  |  |  |  |     arch_info['less'].clear_params() | 
		
	
		
			
				|  |  |  |  |     torch.save({'full': arch_info_full.state_dict(), | 
		
	
		
			
				|  |  |  |  |                 'less': arch_info_less.state_dict()}, to_save_allarc / '{:}-SIMPLE.pth'.format(arch_index)) | 
		
	
		
			
				|  |  |  |  |     # measure elapsed time | 
		
	
		
			
				|  |  |  |  |     arch_time.update(time.time() - end_time) | 
		
	
		
			
				|  |  |  |  |     end_time  = time.time() | 
		
	
		
			
				|  |  |  |  |     need_time = '{:}'.format( convert_secs2time(arch_time.avg * (len(arch_indexes)-idx-1), True) ) | 
		
	
		
			
				|  |  |  |  |     print('{:} {:} [{:03d}/{:03d}] : {:} still need {:}'.format(time_string(), target_dir, idx, len(arch_indexes), arch_index, need_time)) | 
		
	
		
			
				|  |  |  |  |   # measure time | 
		
	
		
			
				|  |  |  |  |   xstrs = ['{:}:{:03d}'.format(key, num_seeds[key]) for key in sorted( list( num_seeds.keys() ) ) ] | 
		
	
		
			
				|  |  |  |  |   print('{:} {:} done : {:}'.format(time_string(), target_dir, xstrs)) | 
		
	
		
			
				|  |  |  |  |   final_infos = {'meta_archs' : meta_archs, | 
		
	
		
			
				|  |  |  |  |                  'total_archs': meta_num_archs, | 
		
	
		
			
				|  |  |  |  |                  'basestr'    : basestr, | 
		
	
		
			
				|  |  |  |  |                  'arch2infos' : arch2infos, | 
		
	
		
			
				|  |  |  |  |                  'evaluated_indexes': evaluated_indexes} | 
		
	
		
			
				|  |  |  |  |   save_file_name = to_save_simply / '{:}.pth'.format(target_dir) | 
		
	
		
			
				|  |  |  |  |   torch.save(final_infos, save_file_name) | 
		
	
		
			
				|  |  |  |  |   print ('Save {:} / {:} architecture results into {:}.'.format(len(evaluated_indexes), meta_num_archs, save_file_name)) | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  | def merge_all(save_dir, meta_file, basestr): | 
		
	
		
			
				|  |  |  |  |   meta_infos     = torch.load(meta_file, map_location='cpu') | 
		
	
		
			
				|  |  |  |  |   meta_archs     = meta_infos['archs'] | 
		
	
		
			
				|  |  |  |  |   meta_num_archs = meta_infos['total'] | 
		
	
		
			
				|  |  |  |  |   meta_max_node  = meta_infos['max_node'] | 
		
	
		
			
				|  |  |  |  |   assert meta_num_archs == len(meta_archs), 'invalid number of archs : {:} vs {:}'.format(meta_num_archs, len(meta_archs)) | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   sub_model_dirs = sorted(list(save_dir.glob('*-*-{:}'.format(basestr)))) | 
		
	
		
			
				|  |  |  |  |   print ('{:} find {:} directories used to save checkpoints'.format(time_string(), len(sub_model_dirs))) | 
		
	
		
			
				|  |  |  |  |   for index, sub_dir in enumerate(sub_model_dirs): | 
		
	
		
			
				|  |  |  |  |     arch_info_files = sorted( list(sub_dir.glob('arch-*-seed-*.pth') ) ) | 
		
	
		
			
				|  |  |  |  |     print ('The {:02d}/{:02d}-th directory : {:} : {:} runs.'.format(index, len(sub_model_dirs), sub_dir, len(arch_info_files))) | 
		
	
		
			
				|  |  |  |  |    | 
		
	
		
			
				|  |  |  |  |   arch2infos, evaluated_indexes = dict(), set() | 
		
	
		
			
				|  |  |  |  |   for IDX, sub_dir in enumerate(sub_model_dirs): | 
		
	
		
			
				|  |  |  |  |     ckp_path = sub_dir.parent / 'simplifies' / '{:}.pth'.format(sub_dir.name) | 
		
	
		
			
				|  |  |  |  |     if ckp_path.exists(): | 
		
	
		
			
				|  |  |  |  |       sub_ckps = torch.load(ckp_path, map_location='cpu') | 
		
	
		
			
				|  |  |  |  |       assert sub_ckps['total_archs'] == meta_num_archs and sub_ckps['basestr'] == basestr | 
		
	
		
			
				|  |  |  |  |       xarch2infos = sub_ckps['arch2infos'] | 
		
	
		
			
				|  |  |  |  |       xevalindexs = sub_ckps['evaluated_indexes'] | 
		
	
		
			
				|  |  |  |  |       for eval_index in xevalindexs: | 
		
	
		
			
				|  |  |  |  |         assert eval_index not in evaluated_indexes and eval_index not in arch2infos | 
		
	
		
			
				|  |  |  |  |         #arch2infos[eval_index] = xarch2infos[eval_index].state_dict() | 
		
	
		
			
				|  |  |  |  |         arch2infos[eval_index] = {'full': xarch2infos[eval_index]['full'].state_dict(), | 
		
	
		
			
				|  |  |  |  |                                   'less': xarch2infos[eval_index]['less'].state_dict()} | 
		
	
		
			
				|  |  |  |  |         evaluated_indexes.add( eval_index ) | 
		
	
		
			
				|  |  |  |  |       print ('{:} [{:03d}/{:03d}] merge data from {:} with {:} models.'.format(time_string(), IDX, len(sub_model_dirs), ckp_path, len(xevalindexs))) | 
		
	
		
			
				|  |  |  |  |     else: | 
		
	
		
			
				|  |  |  |  |       raise ValueError('Can not find {:}'.format(ckp_path)) | 
		
	
		
			
				|  |  |  |  |       #print ('{:} [{:03d}/{:03d}] can not find {:}, skip.'.format(time_string(), IDX, len(subdir2archs), ckp_path)) | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   evaluated_indexes = sorted( list( evaluated_indexes ) ) | 
		
	
		
			
				|  |  |  |  |   print ('Finally, there are {:} architectures that have been trained and evaluated.'.format(len(evaluated_indexes))) | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   to_save_simply = save_dir / 'simplifies' | 
		
	
		
			
				|  |  |  |  |   if not to_save_simply.exists(): to_save_simply.mkdir(parents=True, exist_ok=True) | 
		
	
		
			
				|  |  |  |  |   final_infos = {'meta_archs' : meta_archs, | 
		
	
		
			
				|  |  |  |  |                  'total_archs': meta_num_archs, | 
		
	
		
			
				|  |  |  |  |                  'arch2infos' : arch2infos, | 
		
	
		
			
				|  |  |  |  |                  'evaluated_indexes': evaluated_indexes} | 
		
	
		
			
				|  |  |  |  |   save_file_name = to_save_simply / '{:}-final-infos.pth'.format(basestr) | 
		
	
		
			
				|  |  |  |  |   torch.save(final_infos, save_file_name) | 
		
	
		
			
				|  |  |  |  |   print ('Save {:} / {:} architecture results into {:}.'.format(len(evaluated_indexes), meta_num_archs, save_file_name)) | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  | if __name__ == '__main__': | 
		
	
		
			
				|  |  |  |  |  | 
		
	
		
			
				|  |  |  |  |   parser = argparse.ArgumentParser(description='NAS-BENCH-102', formatter_class=argparse.ArgumentDefaultsHelpFormatter) | 
		
	
		
			
				|  |  |  |  |   parser.add_argument('--mode'         ,  type=str, choices=['cal', 'merge'],            help='The running mode for this script.') | 
		
	
		
			
				|  |  |  |  |   parser.add_argument('--base_save_dir',  type=str, default='./output/NAS-BENCH-102-4',  help='The base-name of folder to save checkpoints and log.') | 
		
	
		
			
				|  |  |  |  |   parser.add_argument('--target_dir'   ,  type=str,                                      help='The target directory.') | 
		
	
		
			
				|  |  |  |  |   parser.add_argument('--max_node'     ,  type=int, default=4,                           help='The maximum node in a cell.') | 
		
	
		
			
				|  |  |  |  |   parser.add_argument('--channel'      ,  type=int, default=16,                          help='The number of channels.') | 
		
	
		
			
				|  |  |  |  |   parser.add_argument('--num_cells'    ,  type=int, default=5,                           help='The number of cells in one stage.') | 
		
	
		
			
				|  |  |  |  |   args = parser.parse_args() | 
		
	
		
			
				|  |  |  |  |    | 
		
	
		
			
				|  |  |  |  |   save_dir  = Path( args.base_save_dir ) | 
		
	
		
			
				|  |  |  |  |   meta_path = save_dir / 'meta-node-{:}.pth'.format(args.max_node) | 
		
	
		
			
				|  |  |  |  |   assert save_dir.exists(),  'invalid save dir path : {:}'.format(save_dir) | 
		
	
		
			
				|  |  |  |  |   assert meta_path.exists(), 'invalid saved meta path : {:}'.format(meta_path) | 
		
	
		
			
				|  |  |  |  |   print ('start the statistics of our nas-benchmark from {:} using {:}.'.format(save_dir, args.target_dir)) | 
		
	
		
			
				|  |  |  |  |   basestr   = 'C{:}-N{:}'.format(args.channel, args.num_cells) | 
		
	
		
			
				|  |  |  |  |    | 
		
	
		
			
				|  |  |  |  |   if args.mode == 'cal': | 
		
	
		
			
				|  |  |  |  |     simplify(save_dir, meta_path, basestr, args.target_dir) | 
		
	
		
			
				|  |  |  |  |   elif args.mode == 'merge': | 
		
	
		
			
				|  |  |  |  |     merge_all(save_dir, meta_path, basestr) | 
		
	
		
			
				|  |  |  |  |   else: | 
		
	
		
			
				|  |  |  |  |     raise ValueError('invalid mode : {:}'.format(args.mode)) |