FM / ATen

/usr/local/lib64/python3.6/site-packages/torch/include/ATen/

/usr/local/lib64/python3.6/site-packages/torch/include/ATen

Name	Size	Mode	Actions
core/	-	0755	rm
cpu/	-	0755	rm
cuda/	-	0755	rm
cudnn/	-	0755	rm
detail/	-	0755	rm
hip/	-	0755	rm
native/	-	0755	rm
quantized/	-	0755	rm
AccumulateType.h	4438	0644	edit dl rm
ArrayRef.h	44	0644	edit dl rm
ATen.h	998	0644	edit dl rm
autocast_mode.h	6716	0644	edit dl rm
Backend.h	43	0644	edit dl rm
Backtrace.h	46	0644	edit dl rm
BatchedFallback.h	965	0644	edit dl rm
BatchedTensorImpl.h	5383	0644	edit dl rm
CompositeExplicitAutogradFunctions.h	1622	0644	edit dl rm
CompositeExplicitAutogradFunctions_inl.h	54075	0644	edit dl rm
CompositeImplicitAutogradFunctions.h	1622	0644	edit dl rm
CompositeImplicitAutogradFunctions_inl.h	142082	0644	edit dl rm
Config.h	734	0644	edit dl rm
Context.h	12767	0644	edit dl rm
cpp_custom_type_hack.h	5326	0644	edit dl rm
CPUApplyUtils.h	12582	0644	edit dl rm
CPUFixedAllocator.h	830	0644	edit dl rm
CPUFunctions.h	1600	0644	edit dl rm
CPUFunctions_inl.h	171924	0644	edit dl rm
CPUGeneratorImpl.h	1431	0644	edit dl rm
CUDAFunctions.h	1601	0644	edit dl rm
CUDAFunctions_inl.h	185696	0644	edit dl rm
CUDAGeneratorImpl.h	4695	0644	edit dl rm
Device.h	42	0644	edit dl rm
DeviceGuard.h	1134	0644	edit dl rm
Dimname.h	31	0644	edit dl rm
DimVector.h	46	0644	edit dl rm
Dispatch.h	52137	0644	edit dl rm
div_rtn.h	204	0644	edit dl rm
DLConvertor.h	576	0644	edit dl rm
dlpack.h	5244	0644	edit dl rm
DynamicLibrary.h	369	0644	edit dl rm
ExpandUtils.h	14506	0644	edit dl rm
Formatting.h	34	0644	edit dl rm
Functions.h	846326	0644	edit dl rm
Generator.h	46	0644	edit dl rm
InferSize.h	2143	0644	edit dl rm
InitialTensorOptions.h	445	0644	edit dl rm
Layout.h	42	0644	edit dl rm
MapAllocator.h	2999	0644	edit dl rm
MatrixRef.h	3016	0644	edit dl rm
MemoryOverlap.h	1117	0644	edit dl rm
MetaFunctions.h	1601	0644	edit dl rm
MetaFunctions_inl.h	84006	0644	edit dl rm
NamedTensor.h	35	0644	edit dl rm
NamedTensorUtils.h	5747	0644	edit dl rm
NativeFunctions.h	354651	0644	edit dl rm
NativeMetaFunctions.h	35445	0644	edit dl rm
NumericUtils.h	2787	0644	edit dl rm
OpaqueTensorImpl.h	6080	0644	edit dl rm
Operators.h	1707199	0644	edit dl rm
OpMathType.h	460	0644	edit dl rm
Parallel.h	4875	0644	edit dl rm
ParallelNative.h	2443	0644	edit dl rm
ParallelNativeTBB.h	2934	0644	edit dl rm
ParallelOpenMP.h	3049	0644	edit dl rm
PTThreadPool.h	394	0644	edit dl rm
record_function.h	24044	0644	edit dl rm
RedispatchFunctions.h	1112886	0644	edit dl rm
RegistrationDeclarations.h	545777	0644	edit dl rm
SavedTensorHooks.h	328	0644	edit dl rm
Scalar.h	44	0644	edit dl rm
ScalarOps.h	2272	0644	edit dl rm
ScalarType.h	129	0644	edit dl rm
SequenceNumber.h	373	0644	edit dl rm
SmallVector.h	47	0644	edit dl rm
SparseCsrTensorImpl.h	2045	0644	edit dl rm
SparseCsrTensorUtils.h	523	0644	edit dl rm
SparseTensorImpl.h	12417	0644	edit dl rm
SparseTensorUtils.h	4219	0644	edit dl rm
Storage.h	43	0644	edit dl rm
Tensor.h	48	0644	edit dl rm
TensorAccessor.h	51	0644	edit dl rm
TensorGeometry.h	1855	0644	edit dl rm
TensorIndexing.h	21923	0644	edit dl rm
TensorIterator.h	29962	0644	edit dl rm
TensorIteratorInternal.h	1862	0644	edit dl rm
TensorMeta.h	2917	0644	edit dl rm
TensorNames.h	2519	0644	edit dl rm
TensorOperators.h	3275	0644	edit dl rm
TensorOptions.h	49	0644	edit dl rm
TensorUtils.h	5687	0644	edit dl rm
ThreadLocalState.h	3289	0644	edit dl rm
TracerMode.h	5576	0644	edit dl rm
TypeDefault.h	680	0644	edit dl rm
Utils.h	5993	0644	edit dl rm
Version.h	340	0644	edit dl rm
VmapMode.h	952	0644	edit dl rm
VmapTransforms.h	7654	0644	edit dl rm
WrapDimUtils.h	3438	0644	edit dl rm
WrapDimUtilsMulti.h	768	0644	edit dl rm

Edit: /usr/local/lib64/python3.6/site-packages/torch/include/ATen/OpaqueTensorImpl.h (6080B)

#pragma once

#include <c10/core/MemoryFormat.h>
#include <c10/core/TensorImpl.h>
#include <c10/util/Exception.h>

namespace at {

// An "Opaque" TensorImpl -- there are no strides and (for now)
// even data() is not supported (thus no pointer arithmetic).

// NOTE: We could allow data() in the future, but would have to ensure pointer
// arithmetic code is properly guarded.
//
// NOTE: This does not support resize_ (and other metadata-changing ops) because
// of `shallow_copy_and_detach`. We would need to define an interface to
// "shallow copy" in order to add support.

template <typename OpaqueHandle>
struct TORCH_API OpaqueTensorImpl : public TensorImpl {
  // public constructor for now...
  OpaqueTensorImpl(
      at::DispatchKeySet key_set,
      const caffe2::TypeMeta data_type,
      c10::Device device,
      OpaqueHandle opaque_handle,
      c10::IntArrayRef sizes,
      bool is_non_overlapping_and_dense = true)
      : TensorImpl(key_set, data_type, device),
        opaque_handle_(std::move(opaque_handle)) {
    set_storage_access_should_throw();
    set_has_contiguity_policy(HasContiguityPolicy::ContiguityNotSupported);
    sizes_and_strides_.set_sizes(sizes);
    refresh_numel();
    is_non_overlapping_and_dense_ = is_non_overlapping_and_dense;
  }

void release_resources() override {
    TensorImpl::release_resources();
    opaque_handle_ = {};
  }

IntArrayRef strides() const override {
    AT_ERROR("opaque tensors do not have strides");
  }

int64_t stride(int64_t d) const override {
    AT_ERROR("opaque tensors do not have strides");
  }

void set_size(int64_t dim, int64_t new_size) override {
    AT_ERROR("opaque tensors do not have set_size");
  }

void set_stride(int64_t dim, int64_t new_stride) override {
    AT_ERROR("opaque tensors do not have set_stride");
  }

void set_storage_offset(int64_t storage_offset) override {
    AT_ERROR("opaque tensors do not have set_storage_offset");
  }

#ifdef DEBUG
  bool has_storage() const override {
    TORCH_INTERNAL_ASSERT_DEBUG_ONLY(!storage_, "OpaqueTensorImpl assumes that storage_ is never set");
    return false;
  }
#endif

/**
   * Return a TensorImpl that is a shallow-copy of this TensorImpl.
   *
   * For usage of `version_counter` and `allow_tensor_metadata_change`,
   * see NOTE [ TensorImpl Shallow-Copying ].
   */
  c10::intrusive_ptr<TensorImpl> shallow_copy_and_detach(
      const c10::VariableVersion& version_counter,
      bool allow_tensor_metadata_change) const override {
    auto impl = c10::make_intrusive<OpaqueTensorImpl<OpaqueHandle>>(
        key_set(), dtype(), device(), opaque_handle_, sizes_and_strides_.sizes_arrayref());
    copy_tensor_metadata(
        /*src_opaque_impl=*/this,
        /*dest_opaque_impl=*/impl.get(),
        /*version_counter=*/version_counter,
        /*allow_tensor_metadata_change=*/allow_tensor_metadata_change);
    impl->refresh_numel();
    return impl;
  }

/**
   * Return a TensorImpl that is a shallow-copy of this TensorImpl.
   *
   * For usage of `version_counter` and `allow_tensor_metadata_change`,
   * see NOTE [ TensorImpl Shallow-Copying ].
   */
  c10::intrusive_ptr<TensorImpl> shallow_copy_and_detach(
      c10::VariableVersion&& version_counter,
      bool allow_tensor_metadata_change) const override {
    auto impl = c10::make_intrusive<OpaqueTensorImpl<OpaqueHandle>>(
        key_set(), dtype(), device(), opaque_handle_, sizes_and_strides_.sizes_arrayref());
    copy_tensor_metadata(
        /*src_opaque_impl=*/this,
        /*dest_opaque_impl=*/impl.get(),
        /*version_counter=*/std::move(version_counter),
        /*allow_tensor_metadata_change=*/allow_tensor_metadata_change);
    impl->refresh_numel();
    return impl;
  }

/**
   * Shallow-copies data from another TensorImpl into this TensorImpl.
   *
   * For why this function doesn't check this TensorImpl's
   * `allow_tensor_metadata_change_`, see NOTE [ TensorImpl Shallow-Copying ].
   */
  void shallow_copy_from(const c10::intrusive_ptr<TensorImpl>& impl) override {
    AT_ASSERT(has_compatible_shallow_copy_type(impl->key_set()));
    auto opaque_impl =
        static_cast<const OpaqueTensorImpl<OpaqueHandle>*>(impl.get());
    copy_tensor_metadata(
        /*src_impl=*/opaque_impl,
        /*dest_impl=*/this,
        /*version_counter=*/version_counter(),
        /*allow_tensor_metadata_change=*/allow_tensor_metadata_change());
    refresh_numel();
  }

const OpaqueHandle& opaque_handle() const {
    return opaque_handle_;
  }

OpaqueHandle& unsafe_opaque_handle() {
    return opaque_handle_;
  }

protected:
  /**
   * Copy the tensor metadata fields (e.g. sizes / strides / storage pointer /
   * storage_offset) from one TensorImpl to another TensorImpl.
   *
   * For usage of `version_counter` and `allow_tensor_metadata_change`, see NOTE
   * [ TensorImpl Shallow-Copying ].
   */
  static void copy_tensor_metadata(
      const OpaqueTensorImpl<OpaqueHandle>* src_opaque_impl,
      OpaqueTensorImpl<OpaqueHandle>* dest_opaque_impl,
      const c10::VariableVersion& version_counter,
      bool allow_tensor_metadata_change) {
    TensorImpl::copy_tensor_metadata(
        src_opaque_impl,
        dest_opaque_impl,
        version_counter,
        allow_tensor_metadata_change);

// OpaqueTensorImpl-specific fields.
    dest_opaque_impl->opaque_handle_ = src_opaque_impl->opaque_handle_;
  }

static void copy_tensor_metadata(
      const OpaqueTensorImpl<OpaqueHandle>* src_opaque_impl,
      OpaqueTensorImpl<OpaqueHandle>* dest_opaque_impl,
      c10::VariableVersion&& version_counter,
      bool allow_tensor_metadata_change) {
    TensorImpl::copy_tensor_metadata(
        src_opaque_impl,
        dest_opaque_impl,
        std::move(version_counter),
        allow_tensor_metadata_change);

// OpaqueTensorImpl-specific fields.
    dest_opaque_impl->opaque_handle_ = src_opaque_impl->opaque_handle_;
  }

private:
  const char* tensorimpl_type_name() const override {
    return "OpaqueTensorImpl";
  }

OpaqueHandle opaque_handle_;
};

} // namespace at

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