예제 #1
0
def main():

    args = ArgsInit().save_exp()

    if args.use_gpu:
        device = torch.device("cuda:" +
                              str(args.device)) if torch.cuda.is_available(
                              ) else torch.device("cpu")
    else:
        device = torch.device('cpu')

    sub_dir = 'BS_{}-NF_{}'.format(args.batch_size, args.feature)

    dataset = PygGraphPropPredDataset(name=args.dataset)
    args.num_tasks = dataset.num_tasks
    logging.info('%s' % args)

    if args.feature == 'full':
        pass
    elif args.feature == 'simple':
        print('using simple feature')
        # only retain the top two node/edge features
        dataset.data.x = dataset.data.x[:, :2]
        dataset.data.edge_attr = dataset.data.edge_attr[:, :2]

    evaluator = Evaluator(args.dataset)
    split_idx = dataset.get_idx_split()

    train_loader = DataLoader(dataset[split_idx["train"]],
                              batch_size=args.batch_size,
                              shuffle=True,
                              num_workers=args.num_workers)
    valid_loader = DataLoader(dataset[split_idx["valid"]],
                              batch_size=args.batch_size,
                              shuffle=False,
                              num_workers=args.num_workers)
    test_loader = DataLoader(dataset[split_idx["test"]],
                             batch_size=args.batch_size,
                             shuffle=False,
                             num_workers=args.num_workers)

    model = DeeperGCN(args).to(device)

    logging.info(model)

    optimizer = optim.Adam(model.parameters(), lr=args.lr)

    results = {
        'highest_valid': 0,
        'final_train': 0,
        'final_test': 0,
        'highest_train': 0
    }

    start_time = time.time()

    for epoch in range(1, args.epochs + 1):
        logging.info("=====Epoch {}".format(epoch))
        logging.info('Training...')

        epoch_loss = train(model,
                           device,
                           train_loader,
                           optimizer,
                           dataset.task_type,
                           grad_clip=args.grad_clip)

        logging.info('Evaluating...')
        train_result = eval(model, device, train_loader,
                            evaluator)[dataset.eval_metric]
        valid_result = eval(model, device, valid_loader,
                            evaluator)[dataset.eval_metric]
        test_result = eval(model, device, test_loader,
                           evaluator)[dataset.eval_metric]

        logging.info({
            'Train': train_result,
            'Validation': valid_result,
            'Test': test_result
        })

        model.print_params(epoch=epoch)

        if train_result > results['highest_train']:

            results['highest_train'] = train_result

        if valid_result > results['highest_valid']:
            results['highest_valid'] = valid_result
            results['final_train'] = train_result
            results['final_test'] = test_result

            save_ckpt(model,
                      optimizer,
                      round(epoch_loss, 4),
                      epoch,
                      args.model_save_path,
                      sub_dir,
                      name_post='valid_best')

    logging.info("%s" % results)

    end_time = time.time()
    total_time = end_time - start_time
    logging.info('Total time: {}'.format(
        time.strftime('%H:%M:%S', time.gmtime(total_time))))
예제 #2
0
def main():
    args = ArgsInit().save_exp()

    if args.use_gpu:
        device = torch.device("cuda:" +
                              str(args.device)) if torch.cuda.is_available(
                              ) else torch.device("cpu")
    else:
        device = torch.device('cpu')

    sub_dir = 'BS_{}'.format(args.batch_size)

    if args.not_extract_node_feature:
        dataset = PygGraphPropPredDataset(name=args.dataset,
                                          transform=add_zeros)
    else:
        if args.aggr == 'add':
            dataset = PygGraphPropPredDataset(
                name=args.dataset, transform=extract_node_feature_add)
        elif args.aggr == 'mean':
            dataset = PygGraphPropPredDataset(
                name=args.dataset, transform=extract_node_feature_mean)
        elif args.aggr == 'max':
            dataset = PygGraphPropPredDataset(
                name=args.dataset, transform=extract_node_feature_max)
        else:
            raise Exception('Unknown Aggregation Type')

        sub_dir = sub_dir + '-NF_{}'.format(args.aggr)

    args.num_tasks = dataset.num_classes
    evaluator = Evaluator(args.dataset)

    logging.info('%s' % args)

    split_idx = dataset.get_idx_split()

    train_loader = DataLoader(dataset[split_idx["train"]],
                              batch_size=args.batch_size,
                              shuffle=True,
                              num_workers=args.num_workers)
    valid_loader = DataLoader(dataset[split_idx["valid"]],
                              batch_size=args.batch_size,
                              shuffle=False,
                              num_workers=args.num_workers)
    test_loader = DataLoader(dataset[split_idx["test"]],
                             batch_size=args.batch_size,
                             shuffle=False,
                             num_workers=args.num_workers)

    model = DeeperGCN(args).to(device)

    logging.info(model)

    optimizer = optim.Adam(model.parameters(), lr=args.lr)
    criterion = torch.nn.CrossEntropyLoss()

    results = {
        'highest_valid': 0,
        'final_train': 0,
        'final_test': 0,
        'highest_train': 0
    }

    start_time = time.time()

    evaluate = True

    for epoch in range(1, args.epochs + 1):
        logging.info("=====Epoch {}".format(epoch))
        logging.info('Training...')

        epoch_loss = train(model, device, train_loader, optimizer, criterion)

        if args.num_layers > args.num_layers_threshold:
            if epoch % args.eval_steps != 0:
                evaluate = False
            else:
                evaluate = True

        model.print_params(epoch=epoch)

        if evaluate:

            logging.info('Evaluating...')

            train_accuracy = eval(model, device, train_loader, evaluator)
            valid_accuracy = eval(model, device, valid_loader, evaluator)
            test_accuracy = eval(model, device, test_loader, evaluator)

            logging.info({
                'Train': train_accuracy,
                'Validation': valid_accuracy,
                'Test': test_accuracy
            })

            if train_accuracy > results['highest_train']:

                results['highest_train'] = train_accuracy

            if valid_accuracy > results['highest_valid']:
                results['highest_valid'] = valid_accuracy
                results['final_train'] = train_accuracy
                results['final_test'] = test_accuracy

                save_ckpt(model,
                          optimizer,
                          round(epoch_loss, 4),
                          epoch,
                          args.model_save_path,
                          sub_dir,
                          name_post='valid_best')

    logging.info("%s" % results)

    end_time = time.time()
    total_time = end_time - start_time
    logging.info('Total time: {}'.format(
        time.strftime('%H:%M:%S', time.gmtime(total_time))))
예제 #3
0
def main():

    args = ArgsInit().save_exp()

    if args.use_gpu:
        device = torch.device("cuda:" +
                              str(args.device)) if torch.cuda.is_available(
                              ) else torch.device("cpu")
    else:
        device = torch.device('cpu')

    dataset = PygNodePropPredDataset(name=args.dataset, root=args.data_folder)
    graph = dataset[0]

    adj = SparseTensor(row=graph.edge_index[0], col=graph.edge_index[1])

    if args.self_loop:
        adj = adj.set_diag()
        graph.edge_index = add_self_loops(edge_index=graph.edge_index,
                                          num_nodes=graph.num_nodes)[0]
    split_idx = dataset.get_idx_split()
    train_idx = split_idx["train"].tolist()

    evaluator = Evaluator(args.dataset)

    sub_dir = 'random-train_{}-full_batch_test'.format(args.cluster_number)
    logging.info(sub_dir)

    log_dir = os.path.join(args.save, "tensorboard/")
    writer = SummaryWriter(log_dir=log_dir)

    args.in_channels = graph.x.size(-1)
    args.num_tasks = dataset.num_classes

    logging.info('%s' % args)

    model = DeeperGCN(args).to(device)

    logging.info(model)

    optimizer = torch.optim.Adam(model.parameters(), lr=args.lr)

    results = {
        'highest_valid': 0,
        'final_train': 0,
        'final_test': 0,
        'highest_train': 0
    }

    start_time = time.time()

    for epoch in range(1, args.epochs + 1):
        # generate batches
        parts = random_partition_graph(graph.num_nodes,
                                       cluster_number=args.cluster_number)
        data = generate_sub_graphs(adj,
                                   parts,
                                   cluster_number=args.cluster_number)

        # epoch_loss = train(data, model, graph.x, graph.y, train_idx, optimizer, device)
        epoch_loss = train_flag(data, model, graph.x, graph.y, train_idx,
                                optimizer, device, args)

        logging.info('Epoch {}, training loss {:.4f}'.format(
            epoch, epoch_loss))
        writer.add_scalar("Loss/train", epoch_loss, epoch)
        model.print_params(epoch=epoch)

        # if epoch % args.eval_epochs == 0:
        #     save_ckpt(model, optimizer,
        #               round(epoch_loss, 4), epoch,
        #               args.model_save_path,
        #               sub_dir, name_post=f'epoch{epoch}')
        #     logging.info(f"Epoch {epoch}, saved model to checkpoint folder {args.model_save_path}")

        if epoch % args.eval_epochs == 0:
            # save_ckpt(model, optimizer,
            #           round(epoch_loss, 4), epoch,
            #           args.model_save_path,
            #           sub_dir, name_post='final')
            # logging.info(f"Saved model to checkpoint folder {args.model_save_path}")

            logging.info(f'---- Evaluating at epoch {epoch} ----')
            res = test_with_partition(model,
                                      graph,
                                      adj,
                                      split_idx,
                                      num_clusters=args.eval_cluster_number,
                                      partition_method=args.partition_method,
                                      evaluator=evaluator,
                                      device=device)

            # result = test(model, graph.x, graph.edge_index, graph.y, split_idx, evaluator)

            logging.info(res)
            logging.info(f"---------------------------------")

            train_accuracy, valid_accuracy, test_accuracy = res[
                "train_acc"], res["valid_acc"], res["test_acc"]
            writer.add_scalar("Acc/train", train_accuracy)
            writer.add_scalar("Acc/dev", valid_accuracy)

            if train_accuracy > results['highest_train']:
                results['highest_train'] = train_accuracy

            if valid_accuracy > results['highest_valid']:
                results['highest_valid'] = valid_accuracy
                results['final_train'] = train_accuracy
                results['final_test'] = test_accuracy

                save_ckpt(model,
                          optimizer,
                          round(epoch_loss, 4),
                          epoch,
                          args.model_save_path,
                          sub_dir,
                          name_post='valid_best')
                logging.info(
                    f"Saved better model to checkpoint folder {args.model_save_path}"
                )

    logging.info("%s" % results)

    end_time = time.time()
    total_time = end_time - start_time
    logging.info('Total time: {}'.format(
        time.strftime('%H:%M:%S', time.gmtime(total_time))))
예제 #4
0
def main():

    args = ArgsInit().save_exp()

    if args.use_gpu:
        device = torch.device("cuda:" +
                              str(args.device)) if torch.cuda.is_available(
                              ) else torch.device("cpu")
    else:
        device = torch.device('cpu')

    dataset = PygNodePropPredDataset(name=args.dataset)
    data = dataset[0]
    split_idx = dataset.get_idx_split()

    evaluator = Evaluator(args.dataset)

    x = data.x.to(device)
    y_true = data.y.to(device)
    train_idx = split_idx['train'].to(device)

    edge_index = data.edge_index.to(device)
    edge_index = to_undirected(edge_index, data.num_nodes)

    if args.self_loop:
        edge_index = add_self_loops(edge_index, num_nodes=data.num_nodes)[0]

    sub_dir = 'SL_{}'.format(args.self_loop)

    args.in_channels = data.x.size(-1)
    args.num_tasks = dataset.num_classes

    logging.info('%s' % args)

    model = DeeperGCN(args).to(device)

    logging.info(model)

    optimizer = torch.optim.Adam(model.parameters(), lr=args.lr)

    results = {
        'highest_valid': 0,
        'final_train': 0,
        'final_test': 0,
        'highest_train': 0
    }

    start_time = time.time()

    for epoch in range(1, args.epochs + 1):

        epoch_loss = train(model, x, edge_index, y_true, train_idx, optimizer)
        logging.info('Epoch {}, training loss {:.4f}'.format(
            epoch, epoch_loss))
        model.print_params(epoch=epoch)

        result = test(model, x, edge_index, y_true, split_idx, evaluator)
        logging.info(result)
        train_accuracy, valid_accuracy, test_accuracy = result

        if train_accuracy > results['highest_train']:
            results['highest_train'] = train_accuracy

        if valid_accuracy > results['highest_valid']:
            results['highest_valid'] = valid_accuracy
            results['final_train'] = train_accuracy
            results['final_test'] = test_accuracy

            save_ckpt(model,
                      optimizer,
                      round(epoch_loss, 4),
                      epoch,
                      args.model_save_path,
                      sub_dir,
                      name_post='valid_best')

    logging.info("%s" % results)

    end_time = time.time()
    total_time = end_time - start_time
    logging.info('Total time: {}'.format(
        time.strftime('%H:%M:%S', time.gmtime(total_time))))
예제 #5
0
def main(args):

    device = torch.device("cuda:" + str(args.device))
    dataset = OGBNDataset(dataset_name=args.dataset)
    nf_path = dataset.extract_node_features(args.aggr)

    args.num_tasks = dataset.num_tasks
    args.nf_path = nf_path

    evaluator = Evaluator(args.dataset)
    criterion = torch.nn.BCEWithLogitsLoss()

    valid_data_list = []
    for i in range(args.num_evals):
        parts = dataset.random_partition_graph(
            dataset.total_no_of_nodes,
            cluster_number=args.valid_cluster_number)
        valid_data = dataset.generate_sub_graphs(
            parts, cluster_number=args.valid_cluster_number)
        valid_data_list.append(valid_data)

    model = DeeperGCN(args).to(device)

    optimizer = optim.Adam(model.parameters(), lr=args.lr)

    results = {
        'highest_valid': 0,
        'final_train': 0,
        'final_test': 0,
        'highest_train': 0,
        'epoch': 0
    }

    start_time = time.time()
    for epoch in range(1, args.epochs + 1):
        # do random partition every epoch
        train_parts = dataset.random_partition_graph(
            dataset.total_no_of_nodes, cluster_number=args.cluster_number)
        data = dataset.generate_sub_graphs(train_parts,
                                           cluster_number=args.cluster_number)

        epoch_loss = train.train_baseline(data, dataset, model, optimizer,
                                          criterion, device, args)
        result = train.multi_evaluate(valid_data_list, dataset, model,
                                      evaluator, device)
        train_result = result['train']['rocauc']
        valid_result = result['valid']['rocauc']
        test_result = result['test']['rocauc']

        if valid_result > results['highest_valid']:
            results['highest_valid'] = valid_result
            results['final_train'] = train_result
            results['final_test'] = test_result
            results['epoch'] = epoch
            save_dir = save_ckpt(model,
                                 optimizer,
                                 round(epoch_loss, 4),
                                 epoch,
                                 args.model_save_path,
                                 name_post='valid_best')

        print(
            time.strftime("%Y-%m-%d %H:%M:%S", time.localtime()) + ' | ' +
            '(Baseline) Epoch:[{}/{}] LOSS:[{:.4f}] Train :[{:.2f}] Valid:[{:.2f}] Test:[{:.2f}] | Update Test:[{:.2f}] at epoch:[{}]'
            .format(epoch, args.epochs, epoch_loss, train_result *
                    100, valid_result * 100, test_result *
                    100, results['final_test'] * 100, results['epoch']))
    end_time = time.time()
    total_time = end_time - start_time
    # logging.info('Total time: {}'.format(time.strftime('%H:%M:%S', time.gmtime(total_time))))
    print("=" * 120)
    print(
        "syd final: BASELINE, Train:[{:.2f}]  Best Val:[{:.2f}] at epoch:[{}] | Final Test Acc:[{:.2f}] Total time:[{}]"
        .format(results['final_train'] * 100, results['highest_valid'] * 100,
                results['epoch'], results['final_test'] * 100,
                time.strftime('%H:%M:%S', time.gmtime(total_time))))
    print("=" * 120)
예제 #6
0
def main():
    args = ArgsInit().save_exp()

    if args.use_gpu:
        device = torch.device("cuda:" +
                              str(args.device)) if torch.cuda.is_available(
                              ) else torch.device("cpu")
    else:
        device = torch.device("cpu")

    logging.info('%s' % device)

    dataset = OGBNDataset(dataset_name=args.dataset)
    # extract initial node features
    nf_path = dataset.extract_node_features(args.aggr)

    args.num_tasks = dataset.num_tasks
    args.nf_path = nf_path

    logging.info('%s' % args)

    evaluator = Evaluator(args.dataset)
    criterion = torch.nn.BCEWithLogitsLoss()

    valid_data_list = []

    for i in range(args.num_evals):

        parts = dataset.random_partition_graph(
            dataset.total_no_of_nodes,
            cluster_number=args.valid_cluster_number)
        valid_data = dataset.generate_sub_graphs(
            parts, cluster_number=args.valid_cluster_number)
        valid_data_list.append(valid_data)

    sub_dir = 'random-train_{}-test_{}-num_evals_{}'.format(
        args.cluster_number, args.valid_cluster_number, args.num_evals)
    logging.info(sub_dir)

    model = DeeperGCN(args).to(device)
    optimizer = optim.Adam(model.parameters(), lr=args.lr)
    results = {
        'highest_valid': 0,
        'final_train': 0,
        'final_test': 0,
        'highest_train': 0
    }
    start_time = time.time()

    for epoch in range(1, args.epochs + 1):
        # do random partition every epoch
        train_parts = dataset.random_partition_graph(
            dataset.total_no_of_nodes, cluster_number=args.cluster_number)
        data = dataset.generate_sub_graphs(train_parts,
                                           cluster_number=args.cluster_number,
                                           ifmask=True)

        epoch_loss = train(data, dataset, model, optimizer, criterion, device)
        logging.info('Epoch {}, training loss {:.4f}'.format(
            epoch, epoch_loss))

        model.print_params(epoch=epoch)

        result = multi_evaluate(valid_data_list, dataset, model, evaluator,
                                device)

        if epoch % 5 == 0:
            logging.info('%s' % result)

        train_result = result['train']['rocauc']
        valid_result = result['valid']['rocauc']
        test_result = result['test']['rocauc']

        if valid_result > results['highest_valid']:
            results['highest_valid'] = valid_result
            results['final_train'] = train_result
            results['final_test'] = test_result

            save_ckpt(model,
                      optimizer,
                      round(epoch_loss, 4),
                      epoch,
                      args.model_save_path,
                      sub_dir,
                      name_post='valid_best')

        if train_result > results['highest_train']:
            results['highest_train'] = train_result

    logging.info("%s" % results)

    end_time = time.time()
    total_time = end_time - start_time
    logging.info('Total time: {}'.format(
        time.strftime('%H:%M:%S', time.gmtime(total_time))))
예제 #7
0
def main():

    args = ArgsInit().save_exp()

    if args.use_tensor_board:
        writer = SummaryWriter(log_dir=args.save)

    if args.use_gpu:
        device = torch.device("cuda:" +
                              str(args.device)) if torch.cuda.is_available(
                              ) else torch.device("cpu")
    else:
        device = torch.device('cpu')

    dataset = PygLinkPropPredDataset(name=args.dataset)
    data = dataset[0]
    # Data(edge_index=[2, 2358104], edge_weight=[2358104, 1], edge_year=[2358104, 1], x=[235868, 128])
    split_edge = dataset.get_edge_split()
    evaluator = Evaluator(args.dataset)

    x = data.x.to(device)

    edge_index = data.edge_index.to(device)

    args.in_channels = data.x.size(-1)
    args.num_tasks = 1

    logging.info('%s' % args)

    model = DeeperGCN(args).to(device)
    predictor = LinkPredictor(args).to(device)

    logging.info(model)
    logging.info(predictor)

    optimizer = torch.optim.Adam(list(model.parameters()) +
                                 list(predictor.parameters()),
                                 lr=args.lr)

    results = {}
    keys = ['highest_valid', 'final_train', 'final_test', 'highest_train']
    hits = ['Hits@10', 'Hits@50', 'Hits@100']

    for key in keys:
        results[key] = {k: 0 for k in hits}

    start_time = time.time()

    for epoch in range(1, args.epochs + 1):

        epoch_loss = train(model, predictor, x, edge_index, split_edge,
                           optimizer, args.batch_size)
        logging.info('Epoch {}, training loss {:.4f}'.format(
            epoch, epoch_loss))
        model.print_params(epoch=epoch)

        result = test(model, predictor, x, edge_index, split_edge, evaluator,
                      args.batch_size)

        for k in hits:
            # return a tuple
            train_result, valid_result, test_result = result[k]

            if args.use_tensor_board and k == 'Hits@50':
                writer.add_scalar('stats/train_loss', epoch_loss, epoch)
                writer.add_scalar('stats/train_Hits@50', train_result, epoch)
                writer.add_scalar('stats/valid_Hits@50', valid_result, epoch)
                writer.add_scalar('stats/test_Hits@50', test_result, epoch)

            if train_result > results['highest_train'][k]:
                results['highest_train'][k] = train_result

            if valid_result > results['highest_valid'][k]:
                results['highest_valid'][k] = valid_result
                results['final_train'][k] = train_result
                results['final_test'][k] = test_result

                save_ckpt(model,
                          optimizer,
                          round(epoch_loss, 4),
                          epoch,
                          args.model_save_path,
                          k,
                          name_post='valid_best')
                save_ckpt(predictor,
                          optimizer,
                          round(epoch_loss, 4),
                          epoch,
                          args.model_save_path,
                          k,
                          name_post='valid_best_link_predictor')

        logging.info(result)

    logging.info("%s" % results)

    end_time = time.time()
    total_time = end_time - start_time
    time_used = 'Total time: {}'.format(
        time.strftime('%H:%M:%S', time.gmtime(total_time)))
    logging.info(time_used)
예제 #8
0
def main():
    args = ArgsInit().save_exp()
    logging.getLogger().setLevel(logging.INFO)
    writer = SummaryWriter(log_dir=args.save)

    if args.use_gpu:
        device = torch.device("cuda:" +
                              str(args.device)) if torch.cuda.is_available(
                              ) else torch.device("cpu")
    else:
        device = torch.device("cpu")

    logging.info('%s' % device)

    dataset = OGBNDataset(dataset_name=args.dataset)
    # extract initial node features
    nf_path = dataset.extract_node_features(args.aggr)

    args.num_tasks = dataset.num_tasks
    args.nf_path = nf_path

    logging.info('%s' % args)

    evaluator = Evaluator(args.dataset)
    criterion = torch.nn.BCEWithLogitsLoss()

    valid_data_list = []

    for i in range(args.num_evals):
        parts = dataset.random_partition_graph(
            dataset.total_no_of_nodes,
            cluster_number=args.valid_cluster_number)
        valid_data = dataset.generate_sub_graphs(
            parts, cluster_number=args.valid_cluster_number)
        valid_data_list.append(valid_data)

    sub_dir = 'random-train_{}-test_{}-num_evals_{}'.format(
        args.cluster_number, args.valid_cluster_number, args.num_evals)
    logging.info(sub_dir)

    if args.backbone == 'deepergcn':
        # model = DeeperGCN(args).to(device)
        pass
    # elif args.backbone == 'deq':
    # model = DEQGCN(args).to(device)
    # elif args.backbone == 'revwt':
    # model = WTRevGCN(args).to(device)
    elif args.backbone == 'rev':
        model = RevGCN(args).to(device)
    else:
        raise Exception("unkown backbone")

    logging.info('# of params: {}'.format(
        sum(p.numel() for p in model.parameters())))
    logging.info('# of learnable params: {}'.format(
        sum(p.numel() for p in model.parameters() if p.requires_grad)))
    optimizer = optim.Adam(model.parameters(), lr=args.lr)

    results = {
        'highest_valid': 0,
        'final_train': 0,
        'final_test': 0,
        'highest_train': 0
    }

    start_time = time.time()

    for epoch in range(1, args.epochs + 1):
        # do random partition every epoch
        train_parts = dataset.random_partition_graph(
            dataset.total_no_of_nodes, cluster_number=args.cluster_number)
        data = dataset.generate_sub_graphs(train_parts,
                                           cluster_number=args.cluster_number)

        epoch_loss = train(data,
                           dataset,
                           model,
                           optimizer,
                           criterion,
                           device,
                           epoch=epoch)
        logging.info('Epoch {}, training loss {:.4f}'.format(
            epoch, epoch_loss))
        if epoch == 1:
            peak_memuse = torch.cuda.max_memory_allocated(device) / float(1024
                                                                          **3)
            logging.info('Peak memuse {:.2f} G'.format(peak_memuse))
        torch.cuda.empty_cache()

        model.print_params(epoch=epoch)

        with torch.cuda.amp.autocast():
            result = multi_evaluate(valid_data_list,
                                    dataset,
                                    model,
                                    evaluator,
                                    device,
                                    epoch=epoch)

        if epoch % 5 == 0:
            logging.info('%s' % result)

        train_result = result['train']['rocauc']
        valid_result = result['valid']['rocauc']
        test_result = result['test']['rocauc']
        writer.add_scalar('stats/train_rocauc', train_result, epoch)
        writer.add_scalar('stats/valid_rocauc', valid_result, epoch)
        writer.add_scalar('stats/test_rocauc', test_result, epoch)

        if valid_result > results['highest_valid']:
            results['highest_valid'] = valid_result
            results['final_train'] = train_result
            results['final_test'] = test_result

            save_ckpt(model,
                      optimizer,
                      round(epoch_loss, 4),
                      epoch,
                      args.model_save_path,
                      sub_dir,
                      name_post='valid_best')

        if train_result > results['highest_train']:
            results['highest_train'] = train_result

    logging.info("%s" % results)

    end_time = time.time()
    total_time = end_time - start_time
    logging.info('Total time: {}'.format(
        time.strftime('%d-%H:%M:%S', time.gmtime(total_time))))
예제 #9
0
def main():

    args = ArgsInit().save_exp()

    if args.use_gpu:
        device = torch.device("cuda:" +
                              str(args.device)) if torch.cuda.is_available(
                              ) else torch.device("cpu")
    else:
        device = torch.device('cpu')

    dataset = PygNodePropPredDataset(name=args.dataset)
    graph = dataset[0]

    adj = SparseTensor(row=graph.edge_index[0], col=graph.edge_index[1])

    if args.self_loop:
        adj = adj.set_diag()
        graph.edge_index = add_self_loops(edge_index=graph.edge_index,
                                          num_nodes=graph.num_nodes)[0]
    split_idx = dataset.get_idx_split()
    train_idx = split_idx["train"].tolist()

    evaluator = Evaluator(args.dataset)

    sub_dir = 'random-train_{}-full_batch_test'.format(args.cluster_number)
    logging.info(sub_dir)

    args.in_channels = graph.x.size(-1)
    args.num_tasks = dataset.num_classes

    logging.info('%s' % args)

    model = DeeperGCN(args).to(device)

    logging.info(model)

    optimizer = torch.optim.Adam(model.parameters(), lr=args.lr)

    results = {
        'highest_valid': 0,
        'final_train': 0,
        'final_test': 0,
        'highest_train': 0
    }

    start_time = time.time()

    for epoch in range(1, args.epochs + 1):
        # generate batches
        parts = random_partition_graph(graph.num_nodes,
                                       cluster_number=args.cluster_number)
        data = generate_sub_graphs(adj,
                                   parts,
                                   cluster_number=args.cluster_number)

        epoch_loss = train(data, model, graph.x, graph.y, train_idx, optimizer,
                           device)
        logging.info('Epoch {}, training loss {:.4f}'.format(
            epoch, epoch_loss))
        model.print_params(epoch=epoch)

        if epoch == args.epochs:

            result = test(model, graph.x, graph.edge_index, graph.y, split_idx,
                          evaluator)
            logging.info(result)

            train_accuracy, valid_accuracy, test_accuracy = result

            if train_accuracy > results['highest_train']:
                results['highest_train'] = train_accuracy

            if valid_accuracy > results['highest_valid']:
                results['highest_valid'] = valid_accuracy
                results['final_train'] = train_accuracy
                results['final_test'] = test_accuracy

                save_ckpt(model,
                          optimizer,
                          round(epoch_loss, 4),
                          epoch,
                          args.model_save_path,
                          sub_dir,
                          name_post='valid_best')

    logging.info("%s" % results)

    end_time = time.time()
    total_time = end_time - start_time
    logging.info('Total time: {}'.format(
        time.strftime('%H:%M:%S', time.gmtime(total_time))))
예제 #10
0
def main(args):

    device = torch.device("cuda:" + str(args.device))
    dataset = PygLinkPropPredDataset(name=args.dataset)
    data = dataset[0]

    # Data(edge_index=[2, 2358104], edge_weight=[2358104, 1], edge_year=[2358104, 1], x=[235868, 128])
    split_edge = dataset.get_edge_split()
    evaluator = Evaluator(args.dataset)

    x = data.x.to(device)

    edge_index = data.edge_index.to(device)

    args.in_channels = data.x.size(-1)
    args.num_tasks = 1

    model = DeeperGCN(args).to(device)
    predictor = LinkPredictor(args).to(device)

    logging.info(model)
    logging.info(predictor)

    optimizer = torch.optim.Adam(list(model.parameters()) +
                                 list(predictor.parameters()),
                                 lr=args.lr)

    results = {}
    keys = ['highest_valid', 'final_train', 'final_test', 'highest_train']
    hits = ['Hits@10', 'Hits@50', 'Hits@100']

    for key in keys:
        results[key] = {k: 0 for k in hits}

    start_time = time.time()
    for epoch in range(1, args.epochs + 1):

        epoch_loss = train.train(model, predictor, x, edge_index, split_edge,
                                 optimizer, args.batch_size)
        logging.info('Epoch {}, training loss {:.4f}'.format(
            epoch, epoch_loss))
        result = train.test(model, predictor, x, edge_index, split_edge,
                            evaluator, args.batch_size)

        for k in hits:
            # return a tuple
            train_result, valid_result, test_result = result[k]

            if train_result > results['highest_train'][k]:
                results['highest_train'][k] = train_result

            if valid_result > results['highest_valid'][k]:
                results['highest_valid'][k] = valid_result
                results['final_train'][k] = train_result
                results['final_test'][k] = test_result

                save_ckpt(model,
                          optimizer,
                          round(epoch_loss, 4),
                          epoch,
                          args.model_save_path,
                          k,
                          name_post='valid_best')
                save_ckpt(predictor,
                          optimizer,
                          round(epoch_loss, 4),
                          epoch,
                          args.model_save_path,
                          k,
                          name_post='valid_best_link_predictor')

        logging.info(result)

    logging.info("%s" % results)

    end_time = time.time()
    total_time = end_time - start_time
    time_used = 'Total time: {}'.format(
        time.strftime('%H:%M:%S', time.gmtime(total_time)))
    logging.info(time_used)