"fix tensor shared_ptr"

paddle/optimizer/Tensor.h

@@ -5,7 +5,6 @@
 
 #include <string.h>
 #include <memory>
-#include "paddle/math/MemoryHandle.h"
 #include "paddle/utils/Common.h"
 #include "paddle/utils/Logging.h"
 
@@ -15,17 +14,16 @@ namespace optimizer {
 template <class T>
 class TensorT {
 public:
-  TensorT(size_t size)
-      : TensorT(std::make_shared<CpuMemoryHandle>(size * sizeof(float)), size) {
+  TensorT(size_t size) : height_(1), width_(size) {
+    data_ptr_ = std::shared_ptr<T>(new T[size], std::default_delete<T[]>());
+    data_ = data_ptr_.get();
   }
-  TensorT(CpuMemHandlePtr handle, size_t size)
-      : height_(1),
-        width_(size),
-        data_(reinterpret_cast<T*>(handle->getBuf())) {}
 
-  TensorT(T* data, size_t size) : height_(1), width_(size), data_(data) {}
+  TensorT(T* data, size_t size)
+      : height_(1), width_(size), data_ptr_(nullptr), data_(data) {}
 
-  TensorT(T* data, size_t h, size_t w) : height_(h), width_(w), data_(data) {}
+  TensorT(T* data, size_t h, size_t w)
+      : height_(h), width_(w), data_ptr_(nullptr), data_(data) {}
 
   virtual ~TensorT() {}
 
@@ -45,6 +43,7 @@ public:
 protected:
   size_t height_;
   size_t width_;
+  std::shared_ptr<T> data_ptr_;
   T* data_;
 };