nn.functional.rst

torch.nn.functional

.. currentmodule:: torch.nn.functional

Convolution functions

.. autosummary::
    :toctree: generated
    :nosignatures:

    conv1d
    conv2d
    conv3d
    conv_transpose1d
    conv_transpose2d
    conv_transpose3d
    unfold
    fold

Pooling functions

.. autosummary::
    :toctree: generated
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    avg_pool1d
    avg_pool2d
    avg_pool3d
    max_pool1d
    max_pool2d
    max_pool3d
    max_unpool1d
    max_unpool2d
    max_unpool3d
    lp_pool1d
    lp_pool2d
    lp_pool3d
    adaptive_max_pool1d
    adaptive_max_pool2d
    adaptive_max_pool3d
    adaptive_avg_pool1d
    adaptive_avg_pool2d
    adaptive_avg_pool3d
    fractional_max_pool2d
    fractional_max_pool3d

Attention Mechanisms

The :mod:`torch.nn.attention.bias` module contains attention_biases that are designed to be used with scaled_dot_product_attention.

.. autosummary::
    :toctree: generated
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    scaled_dot_product_attention

Non-linear activation functions

.. autosummary::
    :toctree: generated
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    threshold
    threshold_
    relu
    relu_
    hardtanh
    hardtanh_
    hardswish
    relu6
    elu
    elu_
    selu
    celu
    leaky_relu
    leaky_relu_
    prelu
    rrelu
    rrelu_
    glu
    gelu
    logsigmoid
    hardshrink
    tanhshrink
    softsign
    softplus
    softmin
    softmax
    softshrink
    gumbel_softmax
    log_softmax
    tanh
    sigmoid
    hardsigmoid
    silu
    mish
    batch_norm
    group_norm
    instance_norm
    layer_norm
    local_response_norm
    normalize

Linear functions

.. autosummary::
    :toctree: generated
    :nosignatures:

    linear
    bilinear

Dropout functions

.. autosummary::
    :toctree: generated
    :nosignatures:

    dropout
    alpha_dropout
    feature_alpha_dropout
    dropout1d
    dropout2d
    dropout3d

Sparse functions

.. autosummary::
    :toctree: generated
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    embedding
    embedding_bag
    one_hot

Distance functions

.. autosummary::
    :toctree: generated
    :nosignatures:

    pairwise_distance
    cosine_similarity
    pdist

Loss functions

.. autosummary::
    :toctree: generated
    :nosignatures:

    binary_cross_entropy
    binary_cross_entropy_with_logits
    poisson_nll_loss
    cosine_embedding_loss
    cross_entropy
    ctc_loss
    gaussian_nll_loss
    hinge_embedding_loss
    kl_div
    l1_loss
    mse_loss
    margin_ranking_loss
    multilabel_margin_loss
    multilabel_soft_margin_loss
    multi_margin_loss
    nll_loss
    huber_loss
    smooth_l1_loss
    soft_margin_loss
    triplet_margin_loss
    triplet_margin_with_distance_loss

Vision functions

.. autosummary::
    :toctree: generated
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    pixel_shuffle
    pixel_unshuffle
    pad
    interpolate
    upsample
    upsample_nearest
    upsample_bilinear
    grid_sample
    affine_grid

DataParallel functions (multi-GPU, distributed)

data_parallel

.. autosummary::
    :toctree: generated
    :nosignatures:

    torch.nn.parallel.data_parallel