wweic commented on a change in pull request #4581: [REFACTOR][RUNTIME] Update
NDArray use the Unified Object System
URL: https://github.com/apache/incubator-tvm/pull/4581#discussion_r361600433
##########
File path: include/tvm/runtime/ndarray.h
##########
@@ -315,49 +254,38 @@ class NDArray::Container {
dl_tensor.byte_offset = 0;
dl_tensor.ctx = ctx;
}
-
- /*! \brief developer function, increases reference counter */
- void IncRef() {
- ref_counter_.fetch_add(1, std::memory_order_relaxed);
- }
- /*! \brief developer function, decrease reference counter */
- void DecRef() {
- if (ref_counter_.fetch_sub(1, std::memory_order_release) == 1) {
- std::atomic_thread_fence(std::memory_order_acquire);
- if (this->deleter != nullptr) {
- (*this->deleter)(this);
- }
- }
+ /*!
+ * \brief Set the deleter field.
+ * \param deleter The deleter.
+ */
+ void SetDeleter(FDeleter deleter) {
+ deleter_ = deleter;
}
-};
-// implementations of inline functions
-// the usages of functions are documented in place.
-inline NDArray::NDArray(Container* data)
- : data_(data) {
- if (data != nullptr) {
- data_->IncRef();
- }
-}
+ // Expose DecRef and IncRef as public function
+ // NOTE: they are only for developer purposes only.
+ using Object::DecRef;
+ using Object::IncRef;
-inline NDArray::NDArray(const NDArray& other)
- : data_(other.data_) {
- if (data_ != nullptr) {
- data_->IncRef();
- }
-}
+ // Information for object protocol.
+ static constexpr const uint32_t _type_index = TypeIndex::kDynamic;
+ static constexpr const uint32_t _type_child_slots = 0;
+ static constexpr const uint32_t _type_child_slots_can_overflow = true;
+ static constexpr const char* _type_key = "NDArray";
+ TVM_DECLARE_BASE_OBJECT_INFO(NDArray::Container, Object);
-inline void NDArray::reset() {
- if (data_ != nullptr) {
- data_->DecRef();
- data_ = nullptr;
- }
-}
+ protected:
+ friend class RPCWrappedFunc;
+ friend class NDArray;
+};
+
+// implementations of inline functions
+// the usages of functions are documented in place.a
Review comment:
```suggestion
// the usages of functions are documented in place.
```
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