Exemplo n.º 1
0
def main():
    args = parse_args()

    if args.seed is not None:
        print("Using seed = {}".format(args.seed))
        torch.manual_seed(args.seed)
        np.random.seed(seed=args.seed)

    # Check that GPUs are actually available
    use_cuda = not args.no_cuda and torch.cuda.is_available()

    # Create model
    model = NeuMF(2197225,
                  855776,
                  mf_dim=64,
                  mf_reg=0.,
                  mlp_layer_sizes=[256, 256, 128, 64],
                  mlp_layer_regs=[0. for i in [256, 256, 128, 64]])

    print(model)

    if use_cuda:
        # Move model and loss to GPU
        model = model.cuda()

    if args.load_ckp:
        ckp = torch.load(args.load_ckp)
        model.load_state_dict(ckp)

    if args.quantize:
        all_embeding = [
            n for n, m in model.named_modules() if isinstance(m, nn.Embedding)
        ]
        all_linear = [
            n for n, m in model.named_modules() if isinstance(m, nn.Linear)
        ]
        all_relu = [
            n for n, m in model.named_modules() if isinstance(m, nn.ReLU)
        ]
        all_relu6 = [
            n for n, m in model.named_modules() if isinstance(m, nn.ReLU6)
        ]
        # layers = all_relu + all_relu6 + all_linear
        layers = all_embeding
        replacement_factory = {
            nn.ReLU: ActivationModuleWrapperPost,
            nn.ReLU6: ActivationModuleWrapperPost,
            nn.Linear: ParameterModuleWrapperPost,
            nn.Embedding: ActivationModuleWrapperPost
        }
        mq = ModelQuantizer(model, args, layers, replacement_factory)
        # mq.log_quantizer_state(ml_logger, -1)

    test_users, test_items, dup_mask, real_indices, K, samples_per_user, num_user = data_loader(
        args.data)
    data = NcfData(test_users, test_items, dup_mask, real_indices, K,
                   samples_per_user, num_user)

    hr, ndcg = val(model, data)
    print('')
    print('')
    print('HR@{K} = {hit_rate:.4f}, NDCG@{K} = {ndcg:.4f}'.format(K=K,
                                                                  hit_rate=hr,
                                                                  ndcg=ndcg))
Exemplo n.º 2
0
def main(args, ml_logger):
    # Fix the seed
    random.seed(args.seed)
    if not args.dont_fix_np_seed:
        np.random.seed(args.seed)
    torch.manual_seed(args.seed)
    torch.cuda.manual_seed_all(args.seed)
    cudnn.deterministic = True
    torch.backends.cudnn.benchmark = False

    # Check that GPUs are actually available
    use_cuda = not args.no_cuda and torch.cuda.is_available()

    # Create model
    model = NeuMF(2197225,
                  855776,
                  mf_dim=64,
                  mf_reg=0.,
                  mlp_layer_sizes=[256, 256, 128, 64],
                  mlp_layer_regs=[0. for i in [256, 256, 128, 64]])

    print(model)

    if use_cuda:
        # Move model and loss to GPU
        model = model.cuda()
        model.device = torch.device('cuda:{}'.format(0))

    if args.load_ckp:
        ckp = torch.load(args.load_ckp)
        model.load_state_dict(ckp)

    all_embeding = [
        n for n, m in model.named_modules() if isinstance(m, nn.Embedding)
    ]
    all_linear = [
        n for n, m in model.named_modules() if isinstance(m, nn.Linear)
    ]
    all_relu = [n for n, m in model.named_modules() if isinstance(m, nn.ReLU)]
    all_relu6 = [
        n for n, m in model.named_modules() if isinstance(m, nn.ReLU6)
    ]
    layers = all_relu + all_relu6 + all_linear + all_embeding
    replacement_factory = {
        nn.ReLU: ActivationModuleWrapperPost,
        nn.ReLU6: ActivationModuleWrapperPost,
        nn.Linear: ParameterModuleWrapperPost,
        nn.Embedding: ActivationModuleWrapperPost
    }
    mq = ModelQuantizer(model, args, layers, replacement_factory)
    # mq.log_quantizer_state(ml_logger, -1)

    test_users, test_items, dup_mask, real_indices, K, samples_per_user, num_user = data_loader(
        args.data)
    data = NcfData(test_users, test_items, dup_mask, real_indices, K,
                   samples_per_user, num_user)
    cal_data = CalibrationSet('ml-20mx16x32/cal_set').cuda()
    cal_data.split(batch_size=10000)

    criterion = nn.BCEWithLogitsLoss(reduction='mean')
    criterion = criterion.cuda()

    print("init_method: {}, qtype {}".format(args.init_method, args.qtype))
    # evaluate to initialize dynamic clipping
    loss = evaluate_calibration(model, cal_data, criterion)
    print("Initial loss: {:.4f}".format(loss))

    # get clipping values
    init = get_clipping(mq)

    # evaluate
    hr, ndcg = validate(model, data)
    ml_logger.log_metric('HR init', hr, step='auto')

    # run optimizer
    min_options = {}
    if args.maxiter is not None:
        min_options['maxiter'] = args.maxiter
    if args.maxfev is not None:
        min_options['maxfev'] = args.maxfev

    _iter = count(0)

    def local_search_callback(x):
        it = next(_iter)
        loss = run_inference_on_calibration(x, model, mq, cal_data, criterion)
        print("\n[{}]: Local search callback".format(it))
        print("loss: {:.4f}\n".format(loss))

    res = opt.minimize(lambda scales: run_inference_on_calibration(
        scales, model, mq, cal_data, criterion),
                       np.array(init),
                       method=args.min_method,
                       options=min_options,
                       callback=local_search_callback)

    print(res)
    scales = res.x
    set_clipping(mq, scales, model.device)
    # evaluate
    hr, ndcg = validate(model, data)
    ml_logger.log_metric('HR Powell', hr, step='auto')