优化GPU加速代码

Author: XUANXUQAQ

C++/cudaAccelerator/cudaAccelerator/dllmain.cpp

@@ -990,8 +990,8 @@ void create_and_insert_cache(const std::vector<std::string>& records_vec, const
     cache->str_data.str_total_bytes = alloc_bytes;
     cache->str_data.str_remain_blank_bytes = CACHE_REMAIN_BLANK_SIZE_IN_BYTES;
 
-    auto str_addr_capacity = record_count + CACHE_REMAIN_BLANK_SIZE_IN_BYTES / MAX_PATH_LENGTH;
-    auto str_addr_alloc_size = str_addr_capacity * sizeof(size_t);
+    const auto str_addr_capacity = record_count + CACHE_REMAIN_BLANK_SIZE_IN_BYTES / MAX_PATH_LENGTH;
+    const auto str_addr_alloc_size = str_addr_capacity * sizeof(size_t);
     gpuErrchk(cudaMalloc(&cache->str_data.dev_str_addr, str_addr_alloc_size), true, nullptr);
     gpuErrchk(cudaMemset(cache->str_data.dev_str_addr, 0, str_addr_alloc_size), true, nullptr);
     cache->str_data.str_addr_capacity = str_addr_capacity;

C++/openclAccelerator/src/file_utils.cpp

@@ -25,7 +25,7 @@ std::wstring string2wstring(const std::string& str)
 int is_dir_or_file(const char* path)
 {
     const auto w_path = string2wstring(path);
-    DWORD dwAttrib = GetFileAttributes(w_path.c_str());
+    const DWORD dwAttrib = GetFileAttributes(w_path.c_str());
     if (dwAttrib != INVALID_FILE_ATTRIBUTES)
     {
         if (dwAttrib & FILE_ATTRIBUTE_DIRECTORY)