X-Git-Url: https://fleuret.org/cgi-bin/gitweb/gitweb.cgi?a=blobdiff_plain;f=cnn-svrt.py;h=153bdc9d23a18a7abe67cfbe3f72246a5ee2fa83;hb=d21f7d8eecb12aa4cc60360db6aa33324327e987;hp=cc3d35f6a4e92a776021114e5c8000f077b420bd;hpb=6efb16f367d497093b06bbad686f0dd7e5fa9ae3;p=pysvrt.git diff --git a/cnn-svrt.py b/cnn-svrt.py index cc3d35f..153bdc9 100755 --- a/cnn-svrt.py +++ b/cnn-svrt.py @@ -40,41 +40,36 @@ from torchvision import datasets, transforms, utils # SVRT -from vignette_set import VignetteSet, CompressedVignetteSet +import vignette_set ###################################################################### parser = argparse.ArgumentParser( - description = 'Simple convnet test on the SVRT.', + description = "Convolutional networks for the SVRT. Written by Francois Fleuret, (C) Idiap research institute.", formatter_class = argparse.ArgumentDefaultsHelpFormatter ) parser.add_argument('--nb_train_samples', - type = int, default = 100000, - help = 'How many samples for train') + type = int, default = 100000) parser.add_argument('--nb_test_samples', - type = int, default = 10000, - help = 'How many samples for test') + type = int, default = 10000) parser.add_argument('--nb_epochs', - type = int, default = 50, - help = 'How many training epochs') + type = int, default = 50) parser.add_argument('--batch_size', - type = int, default = 100, - help = 'Mini-batch size') + type = int, default = 100) parser.add_argument('--log_file', - type = str, default = 'default.log', - help = 'Log file name') + type = str, default = 'default.log') parser.add_argument('--compress_vignettes', - action='store_true', default = False, + action='store_true', default = True, help = 'Use lossless compression to reduce the memory footprint') parser.add_argument('--deep_model', - action='store_true', default = False, + action='store_true', default = True, help = 'Use Afroze\'s Alexnet-like deep model') parser.add_argument('--test_loaded_models', @@ -104,10 +99,10 @@ def log_string(s, remark = ''): pred_log_t = t - s = Fore.BLUE + '[' + time.ctime() + '] ' + Fore.GREEN + elapsed + Style.RESET_ALL + ' ' + s - log_file.write(s + '\n') + log_file.write('[' + time.ctime() + '] ' + elapsed + ' ' + s + '\n') log_file.flush() - print(s + Fore.CYAN + remark + Style.RESET_ALL) + + print(Fore.BLUE + '[' + time.ctime() + '] ' + Fore.GREEN + elapsed + Style.RESET_ALL + ' ' + s + Fore.CYAN + remark + Style.RESET_ALL) ###################################################################### @@ -273,17 +268,21 @@ if args.nb_train_samples%args.batch_size > 0 or args.nb_test_samples%args.batch_ print('The number of samples must be a multiple of the batch size.') raise +if args.compress_vignettes: + VignetteSet = vignette_set.CompressedVignetteSet +else: + VignetteSet = vignette_set.VignetteSet + for problem_number in range(1, 24): - log_string('**** problem ' + str(problem_number) + ' ****') + log_string('############### problem ' + str(problem_number) + ' ###############') if args.deep_model: model = AfrozeDeepNet() else: model = AfrozeShallowNet() - if torch.cuda.is_available(): - model.cuda() + if torch.cuda.is_available(): model.cuda() model_filename = model.name + '_' + \ str(problem_number) + '_' + \ @@ -293,6 +292,9 @@ for problem_number in range(1, 24): for p in model.parameters(): nb_parameters += p.numel() log_string('nb_parameters {:d}'.format(nb_parameters)) + ################################################## + # Tries to load the model + need_to_train = False try: model.load_state_dict(torch.load(model_filename)) @@ -300,20 +302,18 @@ for problem_number in range(1, 24): except: need_to_train = True + ################################################## + # Train if necessary + if need_to_train: log_string('training_model ' + model_filename) t = time.time() - if args.compress_vignettes: - train_set = CompressedVignetteSet(problem_number, - args.nb_train_samples, args.batch_size, - cuda = torch.cuda.is_available()) - else: - train_set = VignetteSet(problem_number, - args.nb_train_samples, args.batch_size, - cuda = torch.cuda.is_available()) + train_set = VignetteSet(problem_number, + args.nb_train_samples, args.batch_size, + cuda = torch.cuda.is_available()) log_string('data_generation {:0.2f} samples / s'.format( train_set.nb_samples / (time.time() - t)) @@ -332,18 +332,16 @@ for problem_number in range(1, 24): train_set.nb_samples) ) + ################################################## + # Test if necessary + if need_to_train or args.test_loaded_models: t = time.time() - if args.compress_vignettes: - test_set = CompressedVignetteSet(problem_number, - args.nb_test_samples, args.batch_size, - cuda = torch.cuda.is_available()) - else: - test_set = VignetteSet(problem_number, - args.nb_test_samples, args.batch_size, - cuda = torch.cuda.is_available()) + test_set = VignetteSet(problem_number, + args.nb_test_samples, args.batch_size, + cuda = torch.cuda.is_available()) log_string('data_generation {:0.2f} samples / s'.format( test_set.nb_samples / (time.time() - t))