Exemplo n.º 1
0
def test_errors():  # test Exception cases
    units = 6
    batch_shape = (8, 100, 2 * units)

    reset_seeds(reset_graph_with_backend=K)
    model = make_model(GRU,
                       batch_shape,
                       activation='relu',
                       recurrent_dropout=0.3,
                       IMPORTS=IMPORTS)
    x, y, sw = make_data(batch_shape, units)
    model.train_on_batch(x, y, sw)

    grads = get_gradients(model, 1, x, y)
    grads_4D = np.expand_dims(grads, -1)

    from see_rnn.inspect_gen import get_layer, _make_grads_fn

    pass_on_error(features_0D, grads)
    pass_on_error(features_0D, grads_4D)
    pass_on_error(features_1D, grads_4D)
    pass_on_error(features_2D, grads_4D)
    pass_on_error(features_2D, grads)
    pass_on_error(get_gradients, model, 1, x, y, mode='cactus')
    pass_on_error(get_gradients, model, 1, x, y, layer=model.layers[1])
    pass_on_error(_make_grads_fn, model, model.layers[1], mode='banana')
    pass_on_error(features_hist, grads[:, :4, :3], po='tato')
    pass_on_error(features_hist_v2, grads[:, :4, :3], po='tato')
    pass_on_error(get_layer, model)
    pass_on_error(get_layer, model, 'capsule')
    pass_on_error(rnn_heatmap, model, 1, input_data=x, labels=y, mode='coffee')
    pass_on_error(rnn_heatmap, model, 1, co='vid')
    pass_on_error(rnn_heatmap, model, 1, norm=(0, 1, 2))
    pass_on_error(rnn_heatmap, model, 1, mode='grads')
    pass_on_error(rnn_histogram, model, 1, norm=None)
    pass_on_error(rnn_heatmap, model, layer_index=9001)
    pass_on_error(features_0D, grads, cake='lie')
    pass_on_error(features_1D, grads, pup='not just any')
    pass_on_error(features_2D, grads, true=False)
    outs = list(get_outputs(model, 1, x, as_dict=True).values())
    pass_on_error(rnn_histogram, model, 1, data=outs)
    pass_on_error(rnn_histogram, model, 1, data=[1])
    pass_on_error(rnn_histogram, model, 1, data=[[1]])
    pass_on_error(features_hist, grads, co='vid')

    pass_on_error(features_0D, grads, configs={'x': {}})
    pass_on_error(features_1D, grads, configs={'x': {}})
    pass_on_error(features_2D, grads, configs={'x': {}})
    pass_on_error(features_hist, grads, configs={'x': {}})
    pass_on_error(features_hist_v2, grads, configs={'x': {}})

    cprint("\n<< EXCEPTION TESTS PASSED >>\n", 'green')
    assert True
Exemplo n.º 2
0
def test_main():
    units = 6
    batch_shape = (8, 100, 2 * units)
    iterations = 20

    kwargs1 = dict(batch_shape=batch_shape,
                   units=units,
                   bidirectional=False,
                   IMPORTS=IMPORTS)
    kwargs2 = dict(batch_shape=batch_shape,
                   units=units,
                   bidirectional=True,
                   IMPORTS=IMPORTS)

    if TF_2 and not TF_KERAS:
        rnn_layers = GRU, SimpleRNN
    else:
        rnn_layers = LSTM, GRU, SimpleRNN
        if USING_GPU:
            rnn_layers += CuDNNLSTM, CuDNNGRU

    model_names = [layer.__name__ for layer in rnn_layers]
    model_names = [(prefix + name) for prefix in ("uni-", "bi-")
                   for name in model_names]

    configs = [
        dict(rnn_layer=rnn_layer, **kwargs) for kwargs in (kwargs1, kwargs2)
        for rnn_layer in rnn_layers
    ]

    tests_ran = 0
    for config, model_name in zip(configs, model_names):
        reset_seeds(reset_graph_with_backend=K)
        model = make_model(**config)
        train_model(model, iterations)

        rnn_summary(model.layers[1])
        _test_outputs(model)
        _test_outputs_gradients(model)
        _test_weights_gradients(model)
        _test_weights(model)

        tests_ran += 1
        cprint("\n<< %s TESTED >>\n" % model_name, 'green')
    assert tests_ran == len(configs)
    cprint("\n<< ALL MODELS TESTED >>\n", 'green')
Exemplo n.º 3
0
def test_envs():  # pseudo-tests for coverage for different env flags
    reset_seeds(reset_graph_with_backend=K)
    units = 6
    batch_shape = (8, 100, 2 * units)
    x, y, sw = make_data(batch_shape, units)

    from importlib import reload

    from see_rnn import inspect_gen, inspect_rnn, utils, _backend
    for flag in ['1', '0']:
        os.environ["TF_KERAS"] = flag
        TF_KERAS = os.environ["TF_KERAS"] == '1'
        reload(_backend)
        reload(utils)
        reload(inspect_gen)
        reload(inspect_rnn)
        from see_rnn.inspect_gen import get_gradients as glg
        from see_rnn.inspect_rnn import rnn_summary as rs
        from see_rnn.utils import _validate_rnn_type as _vrt

        reset_seeds(reset_graph_with_backend=K)
        if TF_KERAS:
            from tensorflow.keras.layers import Input, Bidirectional
            from tensorflow.keras.layers import GRU as _GRU
            from tensorflow.keras.models import Model
            import tensorflow.keras.backend as _K
        else:
            from keras.layers import Input, Bidirectional
            from keras.layers import GRU as _GRU
            from keras.models import Model
            import keras.backend as _K

        reset_seeds(reset_graph_with_backend=_K)
        new_imports = dict(Input=Input,
                           Bidirectional=Bidirectional,
                           Model=Model)
        model = make_model(_GRU,
                           batch_shape,
                           new_imports=new_imports,
                           IMPORTS=IMPORTS)

        pass_on_error(model, x, y, 1)  # possibly _backend-induced err
        pass_on_error(glg, model, 1, x, y)
        rs(model.layers[1])

        from see_rnn.inspect_rnn import get_rnn_weights as grw
        grw(model, 1, concat_gates=False, as_tensors=True)
        grw(model, 1, concat_gates=False, as_tensors=False)
        _test_outputs(model)
        setattr(model.layers[2].cell, 'get_weights', None)
        get_rnn_weights(model, 2, concat_gates=True, as_tensors=False)

        _model = _make_nonrnn_model()
        pass_on_error(_vrt, _model.layers[1])
        del model, _model

    assert True
    cprint("\n<< ENV TESTS PASSED >>\n", 'green')
Exemplo n.º 4
0
def test_misc():  # test miscellaneous functionalities
    units = 6
    batch_shape = (8, 100, 2 * units)

    reset_seeds(reset_graph_with_backend=K)
    model = make_model(GRU,
                       batch_shape,
                       activation='relu',
                       recurrent_dropout=0.3,
                       IMPORTS=IMPORTS)
    x, y, sw = make_data(batch_shape, units)
    model.train_on_batch(x, y, sw)

    weights_norm(model, 'gru', omit_names='bias', verbose=1)
    weights_norm(model, ['gru', 1, (1, 1)], norm_fn=np.abs)
    stats = weights_norm(model, 'gru')
    weights_norm(model, 'gru', _dict=stats)

    grads = get_gradients(model, 1, x, y)
    get_gradients(model, 1, x, y, as_dict=True)
    get_gradients(model, ['gru', 1], x, y)
    get_outputs(model, ['gru', 1], x)

    features_1D(grads,
                subplot_samples=True,
                tight=True,
                borderwidth=2,
                share_xy=False)
    with tempdir() as dirpath:
        features_0D(grads[0], savepath=os.path.join(dirpath, 'img.png'))
    with tempdir() as dirpath:
        features_1D(grads[0],
                    subplot_samples=True,
                    annotations=[1, 'pi'],
                    savepath=os.path.join(dirpath, 'img.png'))
    features_2D(grads.T, n_rows=1.5, tight=True, borderwidth=2)
    with tempdir() as dirpath:
        features_2D(grads.T[:, :, 0],
                    norm='auto',
                    savepath=os.path.join(dirpath, 'img.png'))
    with tempdir() as dirpath:
        features_hist(grads,
                      show_borders=False,
                      borderwidth=1,
                      annotations=[0],
                      show_xy_ticks=[0, 0],
                      share_xy=(1, 1),
                      title="grads",
                      savepath=os.path.join(dirpath, 'img.png'))
    with tempdir() as dirpath:
        features_hist_v2(list(grads[:, :4, :3]),
                         colnames=list('abcd'),
                         show_borders=False,
                         xlims=(-.01, .01),
                         ylim=100,
                         borderwidth=1,
                         show_xy_ticks=[0, 0],
                         side_annot='row',
                         share_xy=True,
                         title="Grads",
                         savepath=os.path.join(dirpath, 'img.png'))
    features_hist(grads, center_zero=True, xlims=(-1, 1), share_xy=0)
    features_hist_v2(list(grads[:, :4, :3]),
                     center_zero=True,
                     xlims=(-1, 1),
                     share_xy=(False, False))
    with tempdir() as dirpath:
        rnn_histogram(model,
                      1,
                      show_xy_ticks=[0, 0],
                      equate_axes=2,
                      savepath=os.path.join(dirpath, 'img.png'))
    rnn_histogram(model,
                  1,
                  equate_axes=False,
                  configs={
                      'tight': dict(left=0, right=1),
                      'plot': dict(color='red'),
                      'title': dict(fontsize=14),
                  })
    rnn_heatmap(model, 1, cmap=None, normalize=True, show_borders=False)
    rnn_heatmap(model, 1, cmap=None, norm='auto', absolute_value=True)
    rnn_heatmap(model, 1, norm=None)
    with tempdir() as dirpath:
        rnn_heatmap(model,
                    1,
                    norm=(-.004, .004),
                    savepath=os.path.join(dirpath, 'img.png'))

    hist_clipped(grads, peaks_to_clip=2)
    _, ax = plt.subplots(1, 1)
    hist_clipped(grads, peaks_to_clip=2, ax=ax, annot_kw=dict(fontsize=15))

    get_full_name(model, 'gru')
    get_full_name(model, 1)
    pass_on_error(get_full_name, model, 'croc')

    get_weights(model, 'gru', as_dict=False)
    get_weights(model, 'gru', as_dict=True)
    get_weights(model, 'gru/bias')
    get_weights(model, ['gru', 1, (1, 1)])
    pass_on_error(get_weights, model, 'gru/goo')

    get_weights(model, '*')
    get_gradients(model, '*', x, y)
    get_outputs(model, '*', x)

    from see_rnn.utils import _filter_duplicates_by_keys
    keys, data = _filter_duplicates_by_keys(list('abbc'), [1, 2, 3, 4])
    assert keys == ['a', 'b', 'c']
    assert data == [1, 2, 4]
    keys, data = _filter_duplicates_by_keys(list('abbc'), [1, 2, 3, 4],
                                            [5, 6, 7, 8])
    assert keys == ['a', 'b', 'c']
    assert data[0] == [1, 2, 4] and data[1] == [5, 6, 8]

    from see_rnn.inspect_gen import get_layer, detect_nans
    get_layer(model, 'gru')
    get_rnn_weights(model, 1, concat_gates=False, as_tensors=True)
    rnn_heatmap(model, 1, input_data=x, labels=y, mode='weights')
    _test_prefetched_data(model)

    # test NaN/Inf detection
    nan_txt = detect_nans(np.array([1] * 9999 + [np.nan])).replace('\n', ' ')
    print(nan_txt)  # case: print as quantity
    data = np.array([np.nan, np.inf, -np.inf, 0])
    print(detect_nans(data, include_inf=True))
    print(detect_nans(data, include_inf=False))
    data = np.array([np.inf, 0])
    print(detect_nans(data, include_inf=True))
    detect_nans(np.array([0]))

    K.set_value(model.optimizer.lr, 1e12)
    train_model(model, iterations=10)
    rnn_histogram(model, 1)
    rnn_heatmap(model, 1)

    del model
    reset_seeds(reset_graph_with_backend=K)

    # test SimpleRNN & other
    _model = make_model(SimpleRNN,
                        batch_shape,
                        units=128,
                        use_bias=False,
                        IMPORTS=IMPORTS)
    train_model(_model, iterations=1)  # TF2-Keras-Graph bug workaround
    rnn_histogram(_model, 1)  # test _pretty_hist
    K.set_value(_model.optimizer.lr, 1e50)  # force NaNs
    train_model(_model, iterations=20)
    rnn_heatmap(_model, 1)
    data = get_rnn_weights(_model, 1)
    rnn_heatmap(_model, 1, input_data=x, labels=y, data=data)
    os.environ["TF_KERAS"] = '0'
    get_rnn_weights(_model, 1, concat_gates=False)
    del _model

    assert True
    cprint("\n<< MISC TESTS PASSED >>\n", 'green')