Move type arg to the end to match Aten constructors.

extension/tensor/tensor_impl_ptr.cpp

@@ -54,11 +54,11 @@ struct TensorImplPtrDeleter final {
 } // namespace
 
 TensorImplPtr make_tensor_impl_ptr(
-    exec_aten::ScalarType type,
     std::vector<exec_aten::SizesType> sizes,
     void* data,
     std::vector<exec_aten::DimOrderType> dim_order,
     std::vector<exec_aten::StridesType> strides,
+    exec_aten::ScalarType type,
     exec_aten::TensorShapeDynamism dynamism,
     std::function<void(void*)> deleter) {
   const auto dim = sizes.size();
@@ -129,24 +129,24 @@ TensorImplPtr make_tensor_impl_ptr(
 }
 
 TensorImplPtr make_tensor_impl_ptr(
-    exec_aten::ScalarType scalar_type,
     std::vector<exec_aten::SizesType> sizes,
     std::vector<uint8_t> data,
     std::vector<exec_aten::DimOrderType> dim_order,
     std::vector<exec_aten::StridesType> strides,
+    exec_aten::ScalarType type,
     exec_aten::TensorShapeDynamism dynamism) {
   ET_CHECK_MSG(
       data.size() >= exec_aten::compute_numel(sizes.data(), sizes.size()) *
-              exec_aten::elementSize(scalar_type),
+              exec_aten::elementSize(type),
       "Data size is smaller than required by sizes and scalar type.");
   auto raw_data_ptr = data.data();
   auto data_ptr = std::make_shared<std::vector<uint8_t>>(std::move(data));
   return make_tensor_impl_ptr(
-      scalar_type,
       std::move(sizes),
       raw_data_ptr,
       std::move(dim_order),
       std::move(strides),
+      type,
       dynamism,
       [data_ptr = std::move(data_ptr)](void*) {});
 }

extension/tensor/tensor_impl_ptr.h

@@ -21,15 +21,14 @@ namespace extension {
 
 #ifndef USE_ATEN_LIB
 /**
- * A smart pointer type for managing the lifecycle of a TensorImpl.
+ * A smart pointer for managing the lifecycle of a TensorImpl.
  *
- * TensorImplPtr uses a shared pointer because multiple Tensor objects might
- * share the same underlying data and metadata. This shared ownership model
- * ensures that the TensorImpl is only destroyed when all references to it are
- * gone, providing a safe and efficient way to manage shared tensor
- * implementations. This abstraction is designed to be a safer and more
- * convenient alternative to the original TensorImpl, which does not
- * manage metadata by design.
+ * TensorImplPtr uses a shared pointer since multiple Tensor objects may
+ * share the same underlying data and metadata. This shared ownership ensures
+ * that the TensorImpl is destroyed only when all references to it are gone,
+ * providing a safe and efficient way to manage shared tensor implementations.
+ * It serves as a safer, more convenient alternative to the original TensorImpl,
+ * which does not manage its metadata by design.
  */
 using TensorImplPtr = std::shared_ptr<exec_aten::TensorImpl>;
 #else
@@ -48,23 +47,23 @@ using TensorImplPtr =
  * Creates a TensorImplPtr that manages a newly created TensorImpl with the
  * specified properties.
  *
- * @param type The scalar type of the tensor elements.
  * @param sizes A vector specifying the size of each dimension.
  * @param data A pointer to the data buffer.
  * @param dim_order A vector specifying the order of dimensions.
  * @param strides A vector specifying the strides of each dimension.
+ * @param type The scalar type of the tensor elements.
  * @param dynamism Specifies the mutability of the tensor's shape.
  * @param deleter A custom deleter function for managing the lifetime of the
- * data buffer. If provided, this deleter will be called when the managed
- * TensorImpl object is destroyed.
+ * data buffer. If provided, this deleter is called when the managed TensorImpl
+ * is destroyed.
  * @return A TensorImplPtr managing the newly created TensorImpl.
  */
 TensorImplPtr make_tensor_impl_ptr(
-    exec_aten::ScalarType type,
     std::vector<exec_aten::SizesType> sizes,
     void* data,
-    std::vector<exec_aten::DimOrderType> dim_order = {},
-    std::vector<exec_aten::StridesType> strides = {},
+    std::vector<exec_aten::DimOrderType> dim_order,
+    std::vector<exec_aten::StridesType> strides,
+    exec_aten::ScalarType type = exec_aten::ScalarType::Float,
     exec_aten::TensorShapeDynamism dynamism =
         exec_aten::TensorShapeDynamism::DYNAMIC_BOUND,
     std::function<void(void*)> deleter = nullptr);
@@ -73,37 +72,64 @@ TensorImplPtr make_tensor_impl_ptr(
  * Creates a TensorImplPtr that manages a newly created TensorImpl with the
  * specified properties.
  *
- * This template overload is specialized for cases where the tensor data is
- * provided as a vector. The scalar type is automatically deduced from the
- * vector's data type. The deleter ensures that the data vector is properly
- * managed and its lifetime is tied to the TensorImpl.
+ * @param sizes A vector specifying the size of each dimension.
+ * @param data A pointer to the data buffer.
+ * @param type The scalar type of the tensor elements.
+ * @param dynamism Specifies the mutability of the tensor's shape.
+ * @param deleter A custom deleter function for managing the lifetime of the
+ * data buffer. If provided, this deleter is called when the managed TensorImpl
+ * is destroyed.
+ * @return A TensorImplPtr managing the newly created TensorImpl.
+ */
+inline TensorImplPtr make_tensor_impl_ptr(
+    std::vector<exec_aten::SizesType> sizes,
+    void* data,
+    exec_aten::ScalarType type = exec_aten::ScalarType::Float,
+    exec_aten::TensorShapeDynamism dynamism =
+        exec_aten::TensorShapeDynamism::DYNAMIC_BOUND,
+    std::function<void(void*)> deleter = nullptr) {
+  return make_tensor_impl_ptr(
+      std::move(sizes), data, {}, {}, type, dynamism, std::move(deleter));
+}
+
+/**
+ * Creates a TensorImplPtr that manages a newly created TensorImpl with the
+ * specified properties.
+ *
+ * This template overload is specialized for cases where tensor data is provided
+ * as a vector. The scalar type is automatically deduced from the vector's data
+ * type. The deleter ensures that the data vector is properly managed, with its
+ * lifetime tied to the TensorImpl.
  *
  * @tparam T The C++ type of the tensor elements, deduced from the vector.
  * @param sizes A vector specifying the size of each dimension.
  * @param data A vector containing the tensor's data.
  * @param dim_order A vector specifying the order of dimensions.
  * @param strides A vector specifying the strides of each dimension.
+ * @param type The scalar type of the tensor elements.
  * @param dynamism Specifies the mutability of the tensor's shape.
  * @return A TensorImplPtr that manages the newly created TensorImpl.
  */
-template <typename T = float>
+template <
+    typename T = float,
+    exec_aten::ScalarType deduced_type = runtime::CppTypeToScalarType<T>::value>
 inline TensorImplPtr make_tensor_impl_ptr(
     std::vector<exec_aten::SizesType> sizes,
     std::vector<T> data,
     std::vector<exec_aten::DimOrderType> dim_order = {},
     std::vector<exec_aten::StridesType> strides = {},
+    exec_aten::ScalarType type = deduced_type,
     exec_aten::TensorShapeDynamism dynamism =
         exec_aten::TensorShapeDynamism::DYNAMIC_BOUND) {
-  constexpr exec_aten::ScalarType scalar_type =
-      runtime::CppTypeToScalarType<T>::value;
+  ET_CHECK_MSG(type == deduced_type, "Type does not match the deduced type.");
   const auto raw_data_ptr = data.data();
   auto data_ptr = std::make_shared<std::vector<T>>(std::move(data));
   return make_tensor_impl_ptr(
-      scalar_type,
       std::move(sizes),
       raw_data_ptr,
       std::move(dim_order),
       std::move(strides),
+      type,
       dynamism,
       [data_ptr = std::move(data_ptr)](void*) {});
 }
@@ -119,43 +145,159 @@ inline TensorImplPtr make_tensor_impl_ptr(
  *
  * @tparam T The C++ type of the tensor elements, deduced from the vector.
  * @param data A vector containing the tensor's data.
+ * @param type The scalar type of the tensor elements.
  * @param dynamism Specifies the mutability of the tensor's shape.
  * @return A TensorImplPtr that manages the newly created TensorImpl.
  */
-template <typename T = float>
+template <
+    typename T = float,
+    exec_aten::ScalarType deduced_type = runtime::CppTypeToScalarType<T>::value>
 inline TensorImplPtr make_tensor_impl_ptr(
     std::vector<T> data,
+    exec_aten::ScalarType type = deduced_type,
     exec_aten::TensorShapeDynamism dynamism =
         exec_aten::TensorShapeDynamism::DYNAMIC_BOUND) {
+  ET_CHECK_MSG(type == deduced_type, "Type does not match the deduced type.");
   std::vector<exec_aten::SizesType> sizes{exec_aten::SizesType(data.size())};
   return make_tensor_impl_ptr(
-      std::move(sizes), std::move(data), {0}, {1}, dynamism);
+      std::move(sizes), std::move(data), {0}, {1}, type, dynamism);
+}
+
+/**
+ * Creates a TensorImplPtr that manages a newly created TensorImpl with the
+ * specified properties.
+ *
+ * This template overload is specialized for cases where tensor data is provided
+ * as an initializer list. The scalar type is automatically deduced from the
+ * initializer list's data type. The deleter ensures that the data is properly
+ * managed, with its lifetime tied to the TensorImpl.
+ *
+ * @tparam T The C++ type of the tensor elements, deduced from the initializer
+ * list.
+ * @param sizes A vector specifying the size of each dimension.
+ * @param list An initializer list containing the tensor's data.
+ * @param dim_order A vector specifying the order of dimensions.
+ * @param strides A vector specifying the strides of each dimension.
+ * @param type The scalar type of the tensor elements.
+ * @param dynamism Specifies the mutability of the tensor's shape.
+ * @return A TensorImplPtr that manages the newly created TensorImpl.
+ */
+template <
+    typename T = float,
+    exec_aten::ScalarType deduced_type = runtime::CppTypeToScalarType<T>::value>
+inline TensorImplPtr make_tensor_impl_ptr(
+    std::vector<exec_aten::SizesType> sizes,
+    std::initializer_list<T> list,
+    std::vector<exec_aten::DimOrderType> dim_order = {},
+    std::vector<exec_aten::StridesType> strides = {},
+    exec_aten::ScalarType type = deduced_type,
+    exec_aten::TensorShapeDynamism dynamism =
+        exec_aten::TensorShapeDynamism::DYNAMIC_BOUND) {
+  ET_CHECK_MSG(type == deduced_type, "Type does not match the deduced type.");
+  auto data = std::vector<T>(std::move(list));
+  const auto raw_data_ptr = data.data();
+  auto data_ptr = std::make_shared<std::vector<T>>(std::move(data));
+  return make_tensor_impl_ptr(
+      std::move(sizes),
+      raw_data_ptr,
+      std::move(dim_order),
+      std::move(strides),
+      type,
+      dynamism,
+      [data_ptr = std::move(data_ptr)](void*) {});
+}
+
+/**
+ * Creates a TensorImplPtr that manages a newly created TensorImpl with the
+ * specified properties.
+ *
+ * This template overload is specialized for cases where the tensor data is
+ * provided as an initializer list. The scalar type is automatically deduced
+ * from the initializer list's data type. The deleter ensures that the data is
+ * properly managed and its lifetime is tied to the TensorImpl.
+ *
+ * @tparam T The C++ type of the tensor elements, deduced from the initializer
+ * list.
+ * @param sizes A vector specifying the size of each dimension.
+ * @param list An initializer list containing the tensor's data.
+ * @param type The scalar type of the tensor elements.
+ * @param dynamism Specifies the mutability of the tensor's shape.
+ * @return A TensorImplPtr that manages the newly created TensorImpl.
+ */
+template <
+    typename T = float,
+    exec_aten::ScalarType deduced_type = runtime::CppTypeToScalarType<T>::value>
+inline TensorImplPtr make_tensor_impl_ptr(
+    std::initializer_list<T> list,
+    exec_aten::ScalarType type = deduced_type,
+    exec_aten::TensorShapeDynamism dynamism =
+        exec_aten::TensorShapeDynamism::DYNAMIC_BOUND) {
+  ET_CHECK_MSG(type == deduced_type, "Type does not match the deduced type.");
+  std::vector<exec_aten::SizesType> sizes{exec_aten::SizesType(list.size())};
+  return make_tensor_impl_ptr(
+      std::move(sizes), std::move(list), {0}, {1}, type, dynamism);
+}
+
+/**
+ * Creates a TensorImplPtr to manage a Tensor with a single scalar value.
+ *
+ * @tparam T The C++ type of the scalar value.
+ * @param value The scalar value used for the Tensor.
+ * @return A TensorImplPtr managing the newly created TensorImpl.
+ */
+template <typename T>
+inline TensorImplPtr make_tensor_impl_ptr(T value) {
+  return make_tensor_impl_ptr({}, std::vector<T>{value});
 }
 
 /**
  * Creates a TensorImplPtr that manages a newly created TensorImpl with the
  * specified properties.
  *
  * This overload accepts a raw memory buffer stored in a std::vector<uint8_t>
- * and a scalar type to interpret the data. The vector is managed, and the
- * memory's lifetime is tied to the TensorImpl.
+ * and a scalar type to interpret the data. The vector is managed, and its
+ * lifetime is tied to the TensorImpl.
  *
- * @param scalar_type The scalar type of the tensor elements.
  * @param sizes A vector specifying the size of each dimension.
- * @param data A vector containing the raw memory for the tensor's data.
+ * @param data A vector containing the raw memory buffer for the tensor's data.
  * @param dim_order A vector specifying the order of dimensions.
  * @param strides A vector specifying the strides of each dimension.
+ * @param type The scalar type of the tensor elements.
  * @param dynamism Specifies the mutability of the tensor's shape.
  * @return A TensorImplPtr managing the newly created TensorImpl.
  */
 TensorImplPtr make_tensor_impl_ptr(
-    exec_aten::ScalarType scalar_type,
     std::vector<exec_aten::SizesType> sizes,
     std::vector<uint8_t> data,
-    std::vector<exec_aten::DimOrderType> dim_order = {},
-    std::vector<exec_aten::StridesType> strides = {},
+    std::vector<exec_aten::DimOrderType> dim_order,
+    std::vector<exec_aten::StridesType> strides,
+    exec_aten::ScalarType type = exec_aten::ScalarType::Float,
     exec_aten::TensorShapeDynamism dynamism =
         exec_aten::TensorShapeDynamism::DYNAMIC_BOUND);
 
+/**
+ * Creates a TensorImplPtr that manages a newly created TensorImpl with the
+ * specified properties.
+ *
+ * This overload accepts a raw memory buffer stored in a std::vector<uint8_t>
+ * and a scalar type to interpret the data. The vector is managed, and the
+ * memory's lifetime is tied to the TensorImpl.
+ *
+ * @param sizes A vector specifying the size of each dimension.
+ * @param data A vector containing the raw memory for the tensor's data.
+ * @param type The scalar type of the tensor elements.
+ * @param dynamism Specifies the mutability of the tensor's shape.
+ * @return A TensorImplPtr managing the newly created TensorImpl.
+ */
+inline TensorImplPtr make_tensor_impl_ptr(
+    std::vector<exec_aten::SizesType> sizes,
+    std::vector<uint8_t> data,
+    exec_aten::ScalarType type = exec_aten::ScalarType::Float,
+    exec_aten::TensorShapeDynamism dynamism =
+        exec_aten::TensorShapeDynamism::DYNAMIC_BOUND) {
+  return make_tensor_impl_ptr(
+      std::move(sizes), std::move(data), {}, {}, type, dynamism);
+}
+
 } // namespace extension
 } // namespace executorch