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torch_api Module Reference

Data Types

type  torch_dict_type
 
interface  torch_model_get_attr
 
type  torch_model_type
 
interface  torch_tensor_data_ptr
 
interface  torch_tensor_from_array
 
interface  torch_tensor_reset_from_array
 
type  torch_tensor_type
 

Functions/Subroutines

subroutine, public torch_tensor_expand_dim (tensor, dim, extent, result)
 Creates an expanded tensor view along one singleton dimension.
 
subroutine, public torch_tensor_narrow (tensor, dim, start_index, length, result)
 Creates a view of a contiguous tensor slice.
 
subroutine, public torch_tensor_backward (tensor, outer_grad)
 Runs autograd on a Torch tensor.
 
subroutine, public torch_tensor_backward_scalar (tensor)
 Runs autograd on a scalar Torch tensor.
 
subroutine, public torch_tensor_to_device_leaf (tensor, requires_grad)
 Moves a tensor to the active Torch device and makes it an autograd leaf.
 
subroutine, public torch_use_cuda (use_cuda)
 Select whether Torch wrappers should use CUDA when available.
 
subroutine, public torch_tensor_grad (tensor, grad)
 Returns the gradient of a Torch tensor which was computed by autograd.
 
subroutine, public torch_tensor_weighted_sum (values, weights, result)
 Returns the weighted sum of two Torch tensors.
 
real(kind=dp) function, public torch_tensor_item_double (tensor)
 Returns a scalar double value from a Torch tensor.
 
subroutine, public torch_tensor_release (tensor)
 Releases a Torch tensor and all its ressources.
 
subroutine, public torch_dict_create (dict)
 Creates an empty Torch dictionary.
 
subroutine, public torch_dict_clone (source, target)
 Clones a Torch dictionary.
 
subroutine, public torch_dict_insert (dict, key, tensor)
 Inserts a Torch tensor into a Torch dictionary.
 
subroutine, public torch_dict_get (dict, key, tensor)
 Retrieves a Torch tensor from a Torch dictionary.
 
subroutine, public torch_dict_release (dict)
 Releases a Torch dictionary and all its ressources.
 
subroutine, public torch_model_load (model, filename)
 Loads a Torch model from given "*.pth" file. (In Torch lingo models are called modules)
 
subroutine, public torch_model_forward (model, inputs, outputs)
 Evaluates the given Torch model.
 
subroutine, public torch_model_forward_mol_tensor (model, method_name, inputs, output)
 Evaluates a TorchScript model method expecting keyword argument "mol".
 
subroutine, public torch_model_release (model)
 Releases a Torch model and all its ressources.
 
character(:) function, allocatable, public torch_model_read_metadata (filename, key)
 Reads metadata entry from given "*.pth" file. (In Torch lingo they are called extra files)
 
logical function, public torch_cuda_is_available ()
 Returns true iff the Torch CUDA backend is available.
 
integer function, public torch_cuda_device_count ()
 Return the number of CUDA devices visible to Torch.
 
subroutine, public torch_allow_tf32 (allow_tf32)
 Set whether to allow the use of TF32. Needed due to changes in defaults from pytorch 1.7 to 1.11 to >=1.12 See https://pytorch.org/docs/stable/notes/cuda.html.
 
subroutine, public torch_model_freeze (model)
 Freeze the given Torch model: applies generic optimization that speed up model. See https://pytorch.org/docs/stable/generated/torch.jit.freeze.html.
 

Function/Subroutine Documentation

◆ torch_tensor_expand_dim()

subroutine, public torch_api::torch_tensor_expand_dim ( type(torch_tensor_type), intent(in)  tensor,
integer, intent(in)  dim,
integer, intent(in)  extent,
type(torch_tensor_type), intent(inout)  result 
)

Creates an expanded tensor view along one singleton dimension.

Definition at line 1389 of file torch_api.F.

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◆ torch_tensor_narrow()

subroutine, public torch_api::torch_tensor_narrow ( type(torch_tensor_type), intent(in)  tensor,
integer, intent(in)  dim,
integer, intent(in)  start_index,
integer, intent(in)  length,
type(torch_tensor_type), intent(inout)  result 
)

Creates a view of a contiguous tensor slice.

Definition at line 1426 of file torch_api.F.

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◆ torch_tensor_backward()

subroutine, public torch_api::torch_tensor_backward ( type(torch_tensor_type), intent(in)  tensor,
type(torch_tensor_type), intent(in)  outer_grad 
)

Runs autograd on a Torch tensor.

Author
Ole Schuett

Definition at line 1467 of file torch_api.F.

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◆ torch_tensor_backward_scalar()

subroutine, public torch_api::torch_tensor_backward_scalar ( type(torch_tensor_type), intent(in)  tensor)

Runs autograd on a scalar Torch tensor.

Definition at line 1499 of file torch_api.F.

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◆ torch_tensor_to_device_leaf()

subroutine, public torch_api::torch_tensor_to_device_leaf ( type(torch_tensor_type), intent(inout)  tensor,
logical, intent(in)  requires_grad 
)

Moves a tensor to the active Torch device and makes it an autograd leaf.

Definition at line 1522 of file torch_api.F.

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◆ torch_use_cuda()

subroutine, public torch_api::torch_use_cuda ( logical, intent(in)  use_cuda)

Select whether Torch wrappers should use CUDA when available.

Definition at line 1550 of file torch_api.F.

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◆ torch_tensor_grad()

subroutine, public torch_api::torch_tensor_grad ( type(torch_tensor_type), intent(in)  tensor,
type(torch_tensor_type), intent(inout)  grad 
)

Returns the gradient of a Torch tensor which was computed by autograd.

Author
Ole Schuett

Definition at line 1571 of file torch_api.F.

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◆ torch_tensor_weighted_sum()

subroutine, public torch_api::torch_tensor_weighted_sum ( type(torch_tensor_type), intent(in)  values,
type(torch_tensor_type), intent(in)  weights,
type(torch_tensor_type), intent(inout)  result 
)

Returns the weighted sum of two Torch tensors.

Definition at line 1599 of file torch_api.F.

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◆ torch_tensor_item_double()

real(kind=dp) function, public torch_api::torch_tensor_item_double ( type(torch_tensor_type), intent(in)  tensor)

Returns a scalar double value from a Torch tensor.

Definition at line 1630 of file torch_api.F.

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◆ torch_tensor_release()

subroutine, public torch_api::torch_tensor_release ( type(torch_tensor_type), intent(inout)  tensor)

Releases a Torch tensor and all its ressources.

Author
Ole Schuett

Definition at line 1657 of file torch_api.F.

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◆ torch_dict_create()

subroutine, public torch_api::torch_dict_create ( type(torch_dict_type), intent(inout)  dict)

Creates an empty Torch dictionary.

Author
Ole Schuett

Definition at line 1681 of file torch_api.F.

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◆ torch_dict_clone()

subroutine, public torch_api::torch_dict_clone ( type(torch_dict_type), intent(in)  source,
type(torch_dict_type), intent(inout)  target 
)

Clones a Torch dictionary.

Definition at line 1704 of file torch_api.F.

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◆ torch_dict_insert()

subroutine, public torch_api::torch_dict_insert ( type(torch_dict_type), intent(inout)  dict,
character(len=*), intent(in)  key,
type(torch_tensor_type), intent(in)  tensor 
)

Inserts a Torch tensor into a Torch dictionary.

Author
Ole Schuett

Definition at line 1732 of file torch_api.F.

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◆ torch_dict_get()

subroutine, public torch_api::torch_dict_get ( type(torch_dict_type), intent(in)  dict,
character(len=*), intent(in)  key,
type(torch_tensor_type), intent(inout)  tensor 
)

Retrieves a Torch tensor from a Torch dictionary.

Author
Ole Schuett

Definition at line 1764 of file torch_api.F.

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◆ torch_dict_release()

subroutine, public torch_api::torch_dict_release ( type(torch_dict_type), intent(inout)  dict)

Releases a Torch dictionary and all its ressources.

Author
Ole Schuett

Definition at line 1798 of file torch_api.F.

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◆ torch_model_load()

subroutine, public torch_api::torch_model_load ( type(torch_model_type), intent(inout)  model,
character(len=*), intent(in)  filename 
)

Loads a Torch model from given "*.pth" file. (In Torch lingo models are called modules)

Author
Ole Schuett

Definition at line 1822 of file torch_api.F.

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◆ torch_model_forward()

subroutine, public torch_api::torch_model_forward ( type(torch_model_type), intent(inout)  model,
type(torch_dict_type), intent(in)  inputs,
type(torch_dict_type), intent(inout)  outputs 
)

Evaluates the given Torch model.

Author
Ole Schuett

Definition at line 1854 of file torch_api.F.

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◆ torch_model_forward_mol_tensor()

subroutine, public torch_api::torch_model_forward_mol_tensor ( type(torch_model_type), intent(inout)  model,
character(len=*), intent(in)  method_name,
type(torch_dict_type), intent(in)  inputs,
type(torch_tensor_type), intent(inout)  output 
)

Evaluates a TorchScript model method expecting keyword argument "mol".

Definition at line 1889 of file torch_api.F.

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◆ torch_model_release()

subroutine, public torch_api::torch_model_release ( type(torch_model_type), intent(inout)  model)

Releases a Torch model and all its ressources.

Author
Ole Schuett

Definition at line 1933 of file torch_api.F.

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◆ torch_model_read_metadata()

character(:) function, allocatable, public torch_api::torch_model_read_metadata ( character(len=*), intent(in)  filename,
character(len=*), intent(in)  key 
)

Reads metadata entry from given "*.pth" file. (In Torch lingo they are called extra files)

Author
Ole Schuett

Definition at line 1957 of file torch_api.F.

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◆ torch_cuda_is_available()

logical function, public torch_api::torch_cuda_is_available

Returns true iff the Torch CUDA backend is available.

Author
Ole Schuett

Definition at line 2043 of file torch_api.F.

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◆ torch_cuda_device_count()

integer function, public torch_api::torch_cuda_device_count

Return the number of CUDA devices visible to Torch.

Definition at line 2064 of file torch_api.F.

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◆ torch_allow_tf32()

subroutine, public torch_api::torch_allow_tf32 ( logical, intent(in)  allow_tf32)

Set whether to allow the use of TF32. Needed due to changes in defaults from pytorch 1.7 to 1.11 to >=1.12 See https://pytorch.org/docs/stable/notes/cuda.html.

Author
Gabriele Tocci

Definition at line 2088 of file torch_api.F.

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◆ torch_model_freeze()

subroutine, public torch_api::torch_model_freeze ( type(torch_model_type), intent(inout)  model)

Freeze the given Torch model: applies generic optimization that speed up model. See https://pytorch.org/docs/stable/generated/torch.jit.freeze.html.

Author
Gabriele Tocci

Definition at line 2111 of file torch_api.F.