Exemple #1
0
    args = parser.parse_args()

    print(args)

    device = "cuda"

    set_seed(0)

    trainset, normalize, unnormalize = str2dataset(args.dataset, train=True)
    trainloader = torch.utils.data.DataLoader(trainset,
                                              batch_size=args.batch_size,
                                              shuffle=True,
                                              num_workers=2)

    net = str2model(path=args.save_model_loc,
                    dataset=args.dataset,
                    pretrained=args.resume).eval().to(device)

    if args.attack == "frank":
        attacker = FrankWolfe(predict=lambda x: net(normalize(x)),
                              loss_fn=nn.CrossEntropyLoss(reduction="sum"),
                              eps=args.eps,
                              kernel_size=5,
                              nb_iter=args.nb_iter,
                              entrp_gamma=1e-3,
                              dual_max_iter=30,
                              grad_tol=1e-4,
                              int_tol=1e-4,
                              device=device,
                              postprocess=False,
                              verbose=False)
Exemple #2
0
    parser.add_argument('--seed', type=int, default=0)
    parser.add_argument('--postprocess', type=str2bool, default=False)


    args = parser.parse_args()

    print(args)

    device = "cuda"

    set_seed(args.seed)

    testset, normalize, unnormalize = str2dataset(args.dataset, train=True)
    testloader = torch.utils.data.DataLoader(testset, batch_size=args.batch_size, shuffle=False, num_workers=0)

    net = str2model(args.checkpoint, dataset=args.dataset, pretrained=True).eval().to(device)

    for param in net.parameters():
        param.requires_grad = False

    sinkhorn = Sinkhorn(predict=lambda x: net(normalize(x)),
                        loss_fn=nn.CrossEntropyLoss(reduction="sum"),
                        eps=args.eps,
                        kernel_size=args.kernel_size,
                        lr=args.lr,
                        nb_iter=args.nb_iter,
                        lam=args.lam,
                        sinkhorn_max_iter=args.sinkhorn_max_iter,
                        stop_abs=args.stop_abs,
                        stop_rel=args.stop_rel,
                        device=device,