update for NAS-Bench-102
This commit is contained in:
D-X-Y
5
lib/nas_102_api/__init__.py
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5
lib/nas_102_api/__init__.py
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##################################################
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# Copyright (c) Xuanyi Dong [GitHub D-X-Y], 2019 #
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##################################################
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from .api import NASBench102API
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from .api import ArchResults, ResultsCount
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383
lib/nas_102_api/api.py
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383
lib/nas_102_api/api.py
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##################################################
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# Copyright (c) Xuanyi Dong [GitHub D-X-Y], 2019 #
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##################################################
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import os, sys, copy, random, torch, numpy as np
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from collections import OrderedDict, defaultdict
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def print_information(information, extra_info=None, show=False):
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dataset_names = information.get_dataset_names()
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strings = [information.arch_str, 'datasets : {:}, extra-info : {:}'.format(dataset_names, extra_info)]
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def metric2str(loss, acc):
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return 'loss = {:.3f}, top1 = {:.2f}%'.format(loss, acc)
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for ida, dataset in enumerate(dataset_names):
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flop, param, latency = information.get_comput_costs(dataset)
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str1 = '{:14s} FLOP={:6.2f} M, Params={:.3f} MB, latency={:} ms.'.format(dataset, flop, param, '{:.2f}'.format(latency*1000) if latency > 0 else None)
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train_loss, train_acc = information.get_metrics(dataset, 'train')
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if dataset == 'cifar10-valid':
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valid_loss, valid_acc = information.get_metrics(dataset, 'x-valid')
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str2 = '{:14s} train : [{:}], valid : [{:}]'.format(dataset, metric2str(train_loss, train_acc), metric2str(valid_loss, valid_acc))
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elif dataset == 'cifar10':
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test__loss, test__acc = information.get_metrics(dataset, 'ori-test')
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str2 = '{:14s} train : [{:}], test : [{:}]'.format(dataset, metric2str(train_loss, train_acc), metric2str(test__loss, test__acc))
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else:
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valid_loss, valid_acc = information.get_metrics(dataset, 'x-valid')
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test__loss, test__acc = information.get_metrics(dataset, 'x-test')
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str2 = '{:14s} train : [{:}], valid : [{:}], test : [{:}]'.format(dataset, metric2str(train_loss, train_acc), metric2str(valid_loss, valid_acc), metric2str(test__loss, test__acc))
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strings += [str1, str2]
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if show: print('\n'.join(strings))
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return strings
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class NASBench102API(object):
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def __init__(self, file_path_or_dict, verbose=True):
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if isinstance(file_path_or_dict, str):
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if verbose: print('try to create NAS-Bench-102 api from {:}'.format(file_path_or_dict))
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assert os.path.isfile(file_path_or_dict), 'invalid path : {:}'.format(file_path_or_dict)
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file_path_or_dict = torch.load(file_path_or_dict)
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else:
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file_path_or_dict = copy.deepcopy( file_path_or_dict )
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assert isinstance(file_path_or_dict, dict), 'It should be a dict instead of {:}'.format(type(file_path_or_dict))
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import pdb; pdb.set_trace() # we will update this api soon
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keys = ('meta_archs', 'arch2infos', 'evaluated_indexes')
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for key in keys: assert key in file_path_or_dict, 'Can not find key[{:}] in the dict'.format(key)
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self.meta_archs = copy.deepcopy( file_path_or_dict['meta_archs'] )
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self.arch2infos = OrderedDict()
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for xkey in sorted(list(file_path_or_dict['arch2infos'].keys())):
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self.arch2infos[xkey] = ArchResults.create_from_state_dict( file_path_or_dict['arch2infos'][xkey] )
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self.evaluated_indexes = sorted(list(file_path_or_dict['evaluated_indexes']))
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self.archstr2index = {}
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for idx, arch in enumerate(self.meta_archs):
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#assert arch.tostr() not in self.archstr2index, 'This [{:}]-th arch {:} already in the dict ({:}).'.format(idx, arch, self.archstr2index[arch.tostr()])
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assert arch not in self.archstr2index, 'This [{:}]-th arch {:} already in the dict ({:}).'.format(idx, arch, self.archstr2index[arch])
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self.archstr2index[ arch ] = idx
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def __getitem__(self, index):
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return copy.deepcopy( self.meta_archs[index] )
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def __len__(self):
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return len(self.meta_archs)
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def __repr__(self):
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return ('{name}({num}/{total} architectures)'.format(name=self.__class__.__name__, num=len(self.evaluated_indexes), total=len(self.meta_archs)))
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def query_index_by_arch(self, arch):
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if isinstance(arch, str):
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if arch in self.archstr2index: arch_index = self.archstr2index[ arch ]
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else : arch_index = -1
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elif hasattr(arch, 'tostr'):
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if arch.tostr() in self.archstr2index: arch_index = self.archstr2index[ arch.tostr() ]
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else : arch_index = -1
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else: arch_index = -1
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return arch_index
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def query_by_arch(self, arch):
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arch_index = self.query_index_by_arch(arch)
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if arch_index == -1: return None
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if arch_index in self.arch2infos:
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strings = print_information(self.arch2infos[ arch_index ], 'arch-index={:}'.format(arch_index))
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return '\n'.join(strings)
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else:
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print ('Find this arch-index : {:}, but this arch is not evaluated.'.format(arch_index))
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return None
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def query_by_index(self, arch_index, dataname):
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assert arch_index in self.arch2infos, 'arch_index [{:}] does not in arch2info'.format(arch_index)
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archInfo = copy.deepcopy( self.arch2infos[ arch_index ] )
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assert dataname in archInfo.get_dataset_names(), 'invalid dataset-name : {:}'.format(dataname)
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info = archInfo.query(dataname)
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return info
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def query_meta_info_by_index(self, arch_index):
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assert arch_index in self.arch2infos, 'arch_index [{:}] does not in arch2info'.format(arch_index)
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archInfo = copy.deepcopy( self.arch2infos[ arch_index ] )
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return archInfo
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def find_best(self, dataset, metric_on_set, FLOP_max=None, Param_max=None):
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best_index, highest_accuracy = -1, None
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for i, idx in enumerate(self.evaluated_indexes):
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flop, param, latency = self.arch2infos[idx].get_comput_costs(dataset)
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if FLOP_max is not None and flop > FLOP_max : continue
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if Param_max is not None and param > Param_max: continue
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loss, accuracy = self.arch2infos[idx].get_metrics(dataset, metric_on_set)
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if best_index == -1:
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best_index, highest_accuracy = idx, accuracy
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elif highest_accuracy < accuracy:
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best_index, highest_accuracy = idx, accuracy
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return best_index
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def arch(self, index):
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assert 0 <= index < len(self.meta_archs), 'invalid index : {:} vs. {:}.'.format(index, len(self.meta_archs))
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return copy.deepcopy(self.meta_archs[index])
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def show(self, index=-1):
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if index == -1: # show all architectures
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print(self)
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for i, idx in enumerate(self.evaluated_indexes):
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print('\n' + '-' * 10 + ' The ({:5d}/{:5d}) {:06d}-th architecture! '.format(i, len(self.evaluated_indexes), idx) + '-'*10)
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print('arch : {:}'.format(self.meta_archs[idx]))
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strings = print_information(self.arch2infos[idx])
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print('>' * 20)
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print('\n'.join(strings))
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print('<' * 20)
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else:
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if 0 <= index < len(self.meta_archs):
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if index not in self.evaluated_indexes: print('The {:}-th architecture has not been evaluated or not saved.'.format(index))
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else:
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strings = print_information(self.arch2infos[index])
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print('\n'.join(strings))
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else:
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print('This index ({:}) is out of range (0~{:}).'.format(index, len(self.meta_archs)))
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class ArchResults(object):
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def __init__(self, arch_index, arch_str):
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self.arch_index = int(arch_index)
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self.arch_str = copy.deepcopy(arch_str)
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self.all_results = dict()
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self.dataset_seed = dict()
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self.clear_net_done = False
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def get_comput_costs(self, dataset):
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x_seeds = self.dataset_seed[dataset]
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results = [self.all_results[ (dataset, seed) ] for seed in x_seeds]
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flops = [result.flop for result in results]
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params = [result.params for result in results]
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lantencies = [result.get_latency() for result in results]
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lantencies = [x for x in lantencies if x > 0]
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mean_latency = np.mean(lantencies) if len(lantencies) > 0 else None
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time_infos = defaultdict(list)
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for result in results:
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time_info = result.get_times()
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for key, value in time_info.items(): time_infos[key].append( value )
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info = {'flops' : np.mean(flops),
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'params' : np.mean(params),
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'latency': mean_latency}
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for key, value in time_infos.items():
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if len(value) > 0 and value[0] is not None:
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info[key] = np.mean(value)
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else: info[key] = None
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return info
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def get_metrics(self, dataset, setname, iepoch=None, is_random=False):
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x_seeds = self.dataset_seed[dataset]
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results = [self.all_results[ (dataset, seed) ] for seed in x_seeds]
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infos = defaultdict(list)
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for result in results:
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if setname == 'train':
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info = result.get_train(iepoch)
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else:
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info = result.get_eval(setname, iepoch)
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for key, value in info.items(): infos[key].append( value )
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return_info = dict()
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if is_random:
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index = random.randint(0, len(results)-1)
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for key, value in infos.items(): return_info[key] = value[index]
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else:
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for key, value in infos.items():
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if len(value) > 0 and value[0] is not None:
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return_info[key] = np.mean(value)
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else: return_info[key] = None
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return return_info
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def show(self, is_print=False):
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return print_information(self, None, is_print)
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def get_dataset_names(self):
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return list(self.dataset_seed.keys())
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def query(self, dataset, seed=None):
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if seed is None:
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x_seeds = self.dataset_seed[dataset]
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return [self.all_results[ (dataset, seed) ] for seed in x_seeds]
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else:
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return self.all_results[ (dataset, seed) ]
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def arch_idx_str(self):
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return '{:06d}'.format(self.arch_index)
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def update(self, dataset_name, seed, result):
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if dataset_name not in self.dataset_seed:
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self.dataset_seed[dataset_name] = []
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assert seed not in self.dataset_seed[dataset_name], '{:}-th arch alreadly has this seed ({:}) on {:}'.format(self.arch_index, seed, dataset_name)
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self.dataset_seed[ dataset_name ].append( seed )
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self.dataset_seed[ dataset_name ] = sorted( self.dataset_seed[ dataset_name ] )
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assert (dataset_name, seed) not in self.all_results
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self.all_results[ (dataset_name, seed) ] = result
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self.clear_net_done = False
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def state_dict(self):
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state_dict = dict()
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for key, value in self.__dict__.items():
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if key == 'all_results': # contain the class of ResultsCount
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xvalue = dict()
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assert isinstance(value, dict), 'invalid type of value for {:} : {:}'.format(key, type(value))
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for _k, _v in value.items():
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assert isinstance(_v, ResultsCount), 'invalid type of value for {:}/{:} : {:}'.format(key, _k, type(_v))
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xvalue[_k] = _v.state_dict()
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else:
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xvalue = value
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state_dict[key] = xvalue
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return state_dict
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def load_state_dict(self, state_dict):
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new_state_dict = dict()
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for key, value in state_dict.items():
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if key == 'all_results': # to convert to the class of ResultsCount
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xvalue = dict()
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assert isinstance(value, dict), 'invalid type of value for {:} : {:}'.format(key, type(value))
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for _k, _v in value.items():
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xvalue[_k] = ResultsCount.create_from_state_dict(_v)
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else: xvalue = value
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new_state_dict[key] = xvalue
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self.__dict__.update(new_state_dict)
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@staticmethod
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def create_from_state_dict(state_dict_or_file):
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x = ArchResults(-1, -1)
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if isinstance(state_dict_or_file, str): # a file path
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state_dict = torch.load(state_dict_or_file)
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elif isinstance(state_dict_or_file, dict):
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state_dict = state_dict_or_file
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else:
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raise ValueError('invalid type of state_dict_or_file : {:}'.format(type(state_dict_or_file)))
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x.load_state_dict(state_dict)
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return x
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def clear_params(self):
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for key, result in self.all_results.items():
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result.net_state_dict = None
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self.clear_net_done = True
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def __repr__(self):
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return ('{name}(arch-index={index}, arch={arch}, {num} runs, clear={clear})'.format(name=self.__class__.__name__, index=self.arch_index, arch=self.arch_str, num=len(self.all_results), clear=self.clear_net_done))
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class ResultsCount(object):
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def __init__(self, name, state_dict, train_accs, train_losses, params, flop, arch_config, seed, epochs, latency):
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self.name = name
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self.net_state_dict = state_dict
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self.train_acc1es = copy.deepcopy(train_accs)
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self.train_acc5es = None
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self.train_losses = copy.deepcopy(train_losses)
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self.train_times = None
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self.arch_config = copy.deepcopy(arch_config)
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self.params = params
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self.flop = flop
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self.seed = seed
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self.epochs = epochs
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self.latency = latency
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# evaluation results
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self.reset_eval()
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def update_train_info(self, train_acc1es, train_acc5es, train_losses, train_times):
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self.train_acc1es = train_acc1es
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self.train_acc5es = train_acc5es
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self.train_losses = train_losses
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self.train_times = train_times
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def reset_eval(self):
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self.eval_names = []
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self.eval_acc1es = {}
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self.eval_times = {}
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self.eval_losses = {}
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def update_latency(self, latency):
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self.latency = copy.deepcopy( latency )
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def update_eval(self, accs, losses, times): # old version
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data_names = set([x.split('@')[0] for x in accs.keys()])
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for data_name in data_names:
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assert data_name not in self.eval_names, '{:} has already been added into eval-names'.format(data_name)
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self.eval_names.append( data_name )
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for iepoch in range(self.epochs):
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xkey = '{:}@{:}'.format(data_name, iepoch)
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self.eval_acc1es[ xkey ] = accs[ xkey ]
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self.eval_losses[ xkey ] = losses[ xkey ]
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self.eval_times [ xkey ] = times[ xkey ]
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def update_OLD_eval(self, name, accs, losses): # old version
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assert name not in self.eval_names, '{:} has already added'.format(name)
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self.eval_names.append( name )
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for iepoch in range(self.epochs):
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if iepoch in accs:
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self.eval_acc1es['{:}@{:}'.format(name,iepoch)] = accs[iepoch]
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self.eval_losses['{:}@{:}'.format(name,iepoch)] = losses[iepoch]
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def __repr__(self):
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num_eval = len(self.eval_names)
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set_name = '[' + ', '.join(self.eval_names) + ']'
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return ('{name}({xname}, arch={arch}, FLOP={flop:.2f}M, Param={param:.3f}MB, seed={seed}, {num_eval} eval-sets: {set_name})'.format(name=self.__class__.__name__, xname=self.name, arch=self.arch_config['arch_str'], flop=self.flop, param=self.params, seed=self.seed, num_eval=num_eval, set_name=set_name))
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def get_latency(self):
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if self.latency is None: return -1
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else: return sum(self.latency) / len(self.latency)
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def get_times(self):
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if self.train_times is not None and isinstance(self.train_times, dict):
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train_times = list( self.train_times.values() )
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time_info = {'T-train@epoch': np.mean(train_times), 'T-train@total': np.sum(train_times)}
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for name in self.eval_names:
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xtimes = [self.eval_times['{:}@{:}'.format(name,i)] for i in range(self.epochs)]
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time_info['T-{:}@epoch'.format(name)] = np.mean(xtimes)
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time_info['T-{:}@total'.format(name)] = np.sum(xtimes)
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else:
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time_info = {'T-train@epoch': None, 'T-train@total': None }
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for name in self.eval_names:
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time_info['T-{:}@epoch'.format(name)] = None
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time_info['T-{:}@total'.format(name)] = None
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return time_info
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def get_eval_set(self):
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return self.eval_names
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def get_train(self, iepoch=None):
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if iepoch is None: iepoch = self.epochs-1
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assert 0 <= iepoch < self.epochs, 'invalid iepoch={:} < {:}'.format(iepoch, self.epochs)
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if self.train_times is not None: xtime = self.train_times[iepoch]
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else : xtime = None
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return {'iepoch' : iepoch,
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'loss' : self.train_losses[iepoch],
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'accuracy': self.train_acc1es[iepoch],
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'time' : xtime}
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def get_eval(self, name, iepoch=None):
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if iepoch is None: iepoch = self.epochs-1
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assert 0 <= iepoch < self.epochs, 'invalid iepoch={:} < {:}'.format(iepoch, self.epochs)
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if isinstance(self.eval_times,dict) and len(self.eval_times) > 0:
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xtime = self.eval_times['{:}@{:}'.format(name,iepoch)]
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else: xtime = None
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return {'iepoch' : iepoch,
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'loss' : self.eval_losses['{:}@{:}'.format(name,iepoch)],
|
||||
'accuracy': self.eval_acc1es['{:}@{:}'.format(name,iepoch)],
|
||||
'time' : xtime}
|
||||
|
||||
def get_net_param(self):
|
||||
return self.net_state_dict
|
||||
|
||||
def get_config(self, str2structure):
|
||||
#return copy.deepcopy(self.arch_config)
|
||||
return {'name': 'infer.tiny', 'C': self.arch_config['channel'], \
|
||||
'N' : self.arch_config['num_cells'], \
|
||||
'genotype': str2structure(self.arch_config['arch_str']), 'num_classes': self.arch_config['class_num']}
|
||||
|
||||
def state_dict(self):
|
||||
_state_dict = {key: value for key, value in self.__dict__.items()}
|
||||
return _state_dict
|
||||
|
||||
def load_state_dict(self, state_dict):
|
||||
self.__dict__.update(state_dict)
|
||||
|
||||
@staticmethod
|
||||
def create_from_state_dict(state_dict):
|
||||
x = ResultsCount(None, None, None, None, None, None, None, None, None, None)
|
||||
x.load_state_dict(state_dict)
|
||||
return x
|
||||
Reference in New Issue
Block a user