错误为：

2023-03-20 17:10:10.740807: [cnrtError] [30673] [Card : NONE] cnrtFree, can't find corresponding imp_cnrtMemDesc_t with param 'ptr'

2023-03-20 17:10:10.740809: [cnrtError] [30673] [Card : NONE] [/home/bxt/cv_code/mluSIFT/src/image.cpp:33] CNRT error, code=632008(Unable to allocate enough memory to perform the requested operation.) "cnrt

分配空间时的代码：

CNRT_CHECK(cnrtMalloc((void **)&d_data,  (size_t)(sizeof(float)*width*height)));

释放空间时的代码：

CNRT_CHECK(cnrtFree(d_data));

（释放空间是在C++类的析构函数里写的，但在创建类的时候cnrtMalloc分配了空间）