update NAS-Bench-102 baselines

This commit is contained in:
D-X-Y
2019-12-24 17:36:47 +11:00
parent af4212b4db
commit 44a0d51449
18 changed files with 105 additions and 110 deletions

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@@ -15,6 +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_cell_based_tiny_net, get_search_spaces
from nas_102_api import NASBench102API as API
def train_shared_cnn(xloader, shared_cnn, controller, criterion, scheduler, optimizer, epoch_str, print_freq, logger):
@@ -224,6 +225,12 @@ def main(xargs):
#flop, param = get_model_infos(shared_cnn, xshape)
#logger.log('{:}'.format(shared_cnn))
#logger.log('FLOP = {:.2f} M, Params = {:.2f} MB'.format(flop, param))
logger.log('search-space : {:}'.format(search_space))
if xargs.arch_nas_dataset is None:
api = None
else:
api = API(xargs.arch_nas_dataset)
logger.log('{:} create API = {:} done'.format(time_string(), api))
shared_cnn, controller, criterion = torch.nn.DataParallel(shared_cnn).cuda(), controller.cuda(), criterion.cuda()
last_info, model_base_path, model_best_path = logger.path('info'), logger.path('model'), logger.path('best')
@@ -247,7 +254,7 @@ def main(xargs):
start_epoch, valid_accuracies, genotypes, baseline = 0, {'best': -1}, {}, None
# start training
start_time, epoch_time, total_epoch = time.time(), AverageMeter(), config.epochs + config.warmup
start_time, search_time, epoch_time, total_epoch = time.time(), AverageMeter(), AverageMeter(), config.epochs + config.warmup
for epoch in range(start_epoch, total_epoch):
w_scheduler.update(epoch, 0.0)
need_time = 'Time Left: {:}'.format( convert_secs2time(epoch_time.val * (total_epoch-epoch), True) )
@@ -263,7 +270,8 @@ def main(xargs):
'ctl_entropy_w': xargs.controller_entropy_weight,
'ctl_bl_dec' : xargs.controller_bl_dec}, None), \
epoch_str, xargs.print_freq, logger)
logger.log('[{:}] controller : loss={:.2f}, accuracy={:.2f}%, baseline={:.2f}, reward={:.2f}, current-baseline={:.4f}'.format(epoch_str, ctl_loss, ctl_acc, ctl_baseline, ctl_reward, baseline))
search_time.update(time.time() - start_time)
logger.log('[{:}] controller : loss={:.2f}, accuracy={:.2f}%, baseline={:.2f}, reward={:.2f}, current-baseline={:.4f}, time-cost={:.1f} s'.format(epoch_str, ctl_loss, ctl_acc, ctl_baseline, ctl_reward, baseline, search_time.sum))
best_arch, _ = get_best_arch(controller, shared_cnn, valid_loader)
shared_cnn.module.update_arch(best_arch)
_, best_valid_acc, _ = valid_func(valid_loader, shared_cnn, criterion)
@@ -298,6 +306,7 @@ def main(xargs):
if find_best:
logger.log('<<<--->>> The {:}-th epoch : find the highest validation accuracy : {:.2f}%.'.format(epoch_str, best_valid_acc))
copy_checkpoint(model_base_path, model_best_path, logger)
if api is not None: logger.log('{:}'.format(api.query_by_arch( genotypes[epoch] )))
# measure elapsed time
epoch_time.update(time.time() - start_time)
start_time = time.time()
@@ -306,27 +315,15 @@ def main(xargs):
logger.log('During searching, the best architecture is {:}'.format(genotypes['best']))
logger.log('Its accuracy is {:.2f}%'.format(valid_accuracies['best']))
logger.log('Randomly select {:} architectures and select the best.'.format(xargs.controller_num_samples))
start_time = time.time()
final_arch, _ = get_best_arch(controller, shared_cnn, valid_loader, xargs.controller_num_samples)
search_time.update(time.time() - start_time)
shared_cnn.module.update_arch(final_arch)
final_loss, final_top1, final_top5 = valid_func(valid_loader, shared_cnn, criterion)
logger.log('The Selected Final Architecture : {:}'.format(final_arch))
logger.log('Loss={:.3f}, Accuracy@1={:.2f}%, Accuracy@5={:.2f}%'.format(final_loss, final_top1, final_top5))
# check the performance from the architecture dataset
#if xargs.arch_nas_dataset is None or not os.path.isfile(xargs.arch_nas_dataset):
# logger.log('Can not find the architecture dataset : {:}.'.format(xargs.arch_nas_dataset))
#else:
# nas_bench = NASBenchmarkAPI(xargs.arch_nas_dataset)
# geno = genotypes[total_epoch-1]
# logger.log('The last model is {:}'.format(geno))
# info = nas_bench.query_by_arch( geno )
# if info is None: logger.log('Did not find this architecture : {:}.'.format(geno))
# else : logger.log('{:}'.format(info))
# logger.log('-'*100)
# geno = genotypes['best']
# logger.log('The best model is {:}'.format(geno))
# info = nas_bench.query_by_arch( geno )
# if info is None: logger.log('Did not find this architecture : {:}.'.format(geno))
# else : logger.log('{:}'.format(info))
logger.log('ENAS : run {:} epochs, cost {:.1f} s, last-geno is {:}.'.format(total_epoch, search_time.sum, final_arch))
if api is not None: logger.log('{:}'.format( api.query_by_arch(final_arch) ))
logger.close()