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kronos-venv/lib/python3.12/site-packages/torch/nn/grad.py

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+# mypy: allow-untyped-defs
+"""Gradient interface."""
+
+import torch
+from torch.nn.modules.utils import _pair, _single, _triple
+
+
+def conv1d_input(
+    input_size,
+    weight,
+    grad_output,
+    stride=1,
+    padding=0,
+    dilation=1,
+    groups=1,
+):
+    r"""Compute the gradient of conv1d with respect to the input of the convolution.
+
+    This is same as the 1D transposed convolution operator under the hood but requires
+    the shape of the gradient w.r.t. input to be specified explicitly.
+
+    Args:
+        input_size : Shape of the input gradient tensor
+        weight: weight tensor (out_channels x in_channels/groups x kW)
+        grad_output : output gradient tensor (minibatch x out_channels x oW)
+        stride (int or tuple, optional): Stride of the convolution. Default: 1
+        padding (int or tuple, optional): Zero-padding added to both sides of the input. Default: 0
+        dilation (int or tuple, optional): Spacing between kernel elements. Default: 1
+        groups (int, optional): Number of blocked connections from input channels to output channels. Default: 1
+
+    Examples::
+
+        >>> input = torch.randn(1, 1, 3, requires_grad=True)
+        >>> weight = torch.randn(1, 1, 1, requires_grad=True)
+        >>> output = F.conv1d(input, weight)
+        >>> grad_output = torch.randn(output.shape)
+        >>> grad_input = torch.autograd.grad(output, input, grad_output)
+        >>> F.grad.conv1d_input(input.shape, weight, grad_output)
+
+    """
+    input = grad_output.new_empty(1).expand(input_size)
+
+    return torch.ops.aten.convolution_backward(
+        grad_output,
+        input,
+        weight,
+        None,
+        _single(stride),
+        _single(padding),
+        _single(dilation),
+        False,
+        [0],
+        groups,
+        (True, False, False),
+    )[0]
+
+
+def conv1d_weight(
+    input,
+    weight_size,
+    grad_output,
+    stride=1,
+    padding=0,
+    dilation=1,
+    groups=1,
+):
+    r"""Compute the gradient of conv1d with respect to the weight of the convolution.
+
+    Args:
+        input: input tensor of shape (minibatch x in_channels x iW)
+        weight_size : Shape of the weight gradient tensor
+        grad_output : output gradient tensor (minibatch x out_channels x oW)
+        stride (int or tuple, optional): Stride of the convolution. Default: 1
+        padding (int or tuple, optional): Zero-padding added to both sides of the input. Default: 0
+        dilation (int or tuple, optional): Spacing between kernel elements. Default: 1
+        groups (int, optional): Number of blocked connections from input channels to output channels. Default: 1
+
+    Examples::
+
+        >>> input = torch.randn(1, 1, 3, requires_grad=True)
+        >>> weight = torch.randn(1, 1, 1, requires_grad=True)
+        >>> output = F.conv1d(input, weight)
+        >>> grad_output = torch.randn(output.shape)
+        >>> # xdoctest: +SKIP
+        >>> grad_weight = torch.autograd.grad(output, filter, grad_output)
+        >>> F.grad.conv1d_weight(input, weight.shape, grad_output)
+
+    """
+    weight = grad_output.new_empty(1).expand(weight_size)
+
+    return torch.ops.aten.convolution_backward(
+        grad_output,
+        input,
+        weight,
+        None,
+        _single(stride),
+        _single(padding),
+        _single(dilation),
+        False,
+        [0],
+        groups,
+        (False, True, False),
+    )[1]
+
+
+def conv2d_input(
+    input_size,
+    weight,
+    grad_output,
+    stride=1,
+    padding=0,
+    dilation=1,
+    groups=1,
+):
+    r"""Compute the gradient of conv2d with respect to the input of the convolution.
+
+    This is same as the 2D transposed convolution operator under the hood but requires
+    the shape of the gradient w.r.t. input to be specified explicitly.
+
+    Args:
+        input_size : Shape of the input gradient tensor
+        weight: weight tensor (out_channels x in_channels/groups x kH x kW)
+        grad_output : output gradient tensor (minibatch x out_channels x oH x oW)
+        stride (int or tuple, optional): Stride of the convolution. Default: 1
+        padding (int or tuple, optional): Zero-padding added to both sides of the input. Default: 0
+        dilation (int or tuple, optional): Spacing between kernel elements. Default: 1
+        groups (int, optional): Number of blocked connections from input channels to output channels. Default: 1
+
+    Examples::
+
+        >>> input = torch.randn(1, 1, 3, 3, requires_grad=True)
+        >>> weight = torch.randn(1, 1, 1, 2, requires_grad=True)
+        >>> output = F.conv2d(input, weight)
+        >>> grad_output = torch.randn(output.shape)
+        >>> grad_input = torch.autograd.grad(output, input, grad_output)
+        >>> F.grad.conv2d_input(input.shape, weight, grad_output)
+
+    """
+    input = grad_output.new_empty(1).expand(input_size)
+
+    return torch.ops.aten.convolution_backward(
+        grad_output,
+        input,
+        weight,
+        None,
+        _pair(stride),
+        _pair(padding),
+        _pair(dilation),
+        False,
+        [0],
+        groups,
+        (True, False, False),
+    )[0]
+
+
+def conv2d_weight(
+    input,
+    weight_size,
+    grad_output,
+    stride=1,
+    padding=0,
+    dilation=1,
+    groups=1,
+):
+    r"""Compute the gradient of conv2d with respect to the weight of the convolution.
+
+    Args:
+        input: input tensor of shape (minibatch x in_channels x iH x iW)
+        weight_size : Shape of the weight gradient tensor
+        grad_output : output gradient tensor (minibatch x out_channels x oH x oW)
+        stride (int or tuple, optional): Stride of the convolution. Default: 1
+        padding (int or tuple, optional): Zero-padding added to both sides of the input. Default: 0
+        dilation (int or tuple, optional): Spacing between kernel elements. Default: 1
+        groups (int, optional): Number of blocked connections from input channels to output channels. Default: 1
+
+    Examples::
+
+        >>> input = torch.randn(1, 1, 3, 3, requires_grad=True)
+        >>> weight = torch.randn(1, 1, 1, 2, requires_grad=True)
+        >>> output = F.conv2d(input, weight)
+        >>> grad_output = torch.randn(output.shape)
+        >>> # xdoctest: +SKIP
+        >>> grad_weight = torch.autograd.grad(output, filter, grad_output)
+        >>> F.grad.conv2d_weight(input, weight.shape, grad_output)
+
+    """
+    weight = grad_output.new_empty(1).expand(weight_size)
+
+    return torch.ops.aten.convolution_backward(
+        grad_output,
+        input,
+        weight,
+        None,
+        _pair(stride),
+        _pair(padding),
+        _pair(dilation),
+        False,
+        [0],
+        groups,
+        (False, True, False),
+    )[1]
+
+
+def conv3d_input(
+    input_size,
+    weight,
+    grad_output,
+    stride=1,
+    padding=0,
+    dilation=1,
+    groups=1,
+):
+    r"""Compute the gradient of conv3d with respect to the input of the convolution.
+
+    This is same as the 3D transposed convolution operator under the hood but requires
+    the shape of the gradient w.r.t. input to be specified explicitly.
+
+    Args:
+        input_size : Shape of the input gradient tensor
+        weight: weights tensor (out_channels x in_channels/groups x kT x kH x kW)
+        grad_output : output gradient tensor (minibatch x out_channels x oT x oH x oW)
+        stride (int or tuple, optional): Stride of the convolution. Default: 1
+        padding (int or tuple, optional): Zero-padding added to both sides of the input. Default: 0
+        dilation (int or tuple, optional): Spacing between kernel elements. Default: 1
+        groups (int, optional): Number of blocked connections from input channels to output channels. Default: 1
+
+    Examples::
+
+        >>> input = torch.randn(2, 8, 10, 10, 20, requires_grad=True)
+        >>> weight = torch.randn(4, 8, 2, 3, 3, requires_grad=True)
+        >>> output = F.conv3d(input, weight)
+        >>> grad_output = torch.randn(output.shape)
+        >>> grad_input = torch.autograd.grad(output, input, grad_output)
+        >>> F.grad.conv3d_input(input.shape, weight, grad_output)
+
+    """
+    input = grad_output.new_empty(1).expand(input_size)
+
+    return torch.ops.aten.convolution_backward(
+        grad_output,
+        input,
+        weight,
+        None,
+        _triple(stride),
+        _triple(padding),
+        _triple(dilation),
+        False,
+        [0],
+        groups,
+        (True, False, False),
+    )[0]
+
+
+def conv3d_weight(
+    input,
+    weight_size,
+    grad_output,
+    stride=1,
+    padding=0,
+    dilation=1,
+    groups=1,
+):
+    r"""Compute the gradient of conv3d with respect to the weight of the convolution.
+
+    Args:
+        input: input tensor of shape (minibatch x in_channels x iT x iH x iW)
+        weight_size : Shape of the weight gradient tensor
+        grad_output : output gradient tensor (minibatch x out_channels x oT x oH x oW)
+        stride (int or tuple, optional): Stride of the convolution. Default: 1
+        padding (int or tuple, optional): Zero-padding added to both sides of the input. Default: 0
+        dilation (int or tuple, optional): Spacing between kernel elements. Default: 1
+        groups (int, optional): Number of blocked connections from input channels to output channels. Default: 1
+
+    Examples::
+
+        >>> input = torch.randn(2, 8, 10, 10, 20, requires_grad=True)
+        >>> weight = torch.randn(4, 8, 2, 3, 3, requires_grad=True)
+        >>> output = F.conv3d(input, weight)
+        >>> grad_output = torch.randn(output.shape)
+        >>> grad_weight = torch.autograd.grad(output, weight, grad_output)
+        >>> F.grad.conv3d_weight(input, weight.shape, grad_output)
+
+    """
+    weight = grad_output.new_empty(1).expand(weight_size)
+
+    return torch.ops.aten.convolution_backward(
+        grad_output,
+        input,
+        weight,
+        None,
+        _triple(stride),
+        _triple(padding),
+        _triple(dilation),
+        False,
+        [0],
+        groups,
+        (False, True, False),
+    )[1]