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Square示例改用C++ RAII资源管理，与IsFinite/IsInf示例风格对齐 #4862
chendunyang创建于 17 天前
Square示例改用C++ RAII资源管理，与IsFinite/IsInf示例风格对齐 #4862
已合并
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（感谢 chendunyang 的贡献）17 天前 创建了 pull request，commit 335a07ae
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变更摘要
该 PR 将 math/square/examples/arch35/test_aclnn_square.cpp 示例从手动资源管理改造为 C++ RAII 资源管理，与同仓 math/is_finite、math/is_inf 示例风格对齐。改动引入基于 std::unique_ptr 的自定义删除器类型（StreamPtr、DeviceMemPtr、TensorPtr）分别托管 stream、device 内存和 aclTensor，并将 Init、CreateAclTensor 等接口改为以智能指针引用传递资源，同时用带自定义删除器的 std::shared_ptr 守卫统一在退出时执行 aclrtResetDevice/aclFinalize，从而删除原先手工释放资源的收尾代码。
主要改动
- 新增 RAII 智能指针类型: 在
test_aclnn_square.cpp中引入StreamPtr（aclrtDestroyStream）、DeviceMemPtr（aclrtFree）、TensorPtr（aclDestroyTensor）三个std::unique_ptr类型别名，并新增<memory>、<type_traits>头文件引用，以 RAII 方式托管 ACL 资源。 - 改造
Init接口:Init函数签名由Init(int32_t deviceId, aclrtStream* stream)改为Init(int32_t deviceId, StreamPtr& stream, bool& initialized, bool& deviceSet)，通过initialized、deviceSet布尔标记记录aclInit/aclrtSetDevice的完成状态，并将新建 stream 通过stream.reset(rawStream)交由智能指针持有。 - 改造
CreateAclTensor接口: 入参由void** deviceAddr、aclTensor** tensor改为DeviceMemPtr& deviceAddr、TensorPtr& tensor，内部以deviceAddr.get()传递设备地址，并新增对aclCreateTensor返回空指针的失败校验后调用tensor.reset(rawTensor)。 main中改用智能指针并删除手工释放代码: 输入输出 tensor、device 内存与 workspace 均改为智能指针，API 调用（aclnnSquareGetWorkspaceSize、aclnnSquare、aclrtSynchronizeStream、aclrtMemcpy）改用.get()传入原始指针；新增std::shared_ptr守卫在作用域结束时按状态执行aclrtResetDevice与aclFinalize，删除了原有的aclDestroyTensor、aclrtFree、aclrtDestroyStream等手动清理步骤。
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PR Approval Progress
✅ Congratulations! All modules have met the lgtm and approve requirements.
Module Approval Details
| module | lgtm status | approve status |
|---|---|---|
| math/square | ✅ 周奇龙, andong_hw (2/2) | ✅ 周奇龙 (1/1) |
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compile#UT_Test_experimental
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| pre_comment | ✅ SUCCESS | >>>>> | |
| Compile_Ascend_X86_ubuntu24 | ✅ SUCCESS | >>>>> | >>>>> |
| Compile_Ascend_X86_mobile_station_ubuntu24 | ✅ SUCCESS | >>>>> | >>>>> |
| Compile_Ascend_X86_experimental_ubuntu24 | ✅ SUCCESS | >>>>> | >>>>> |
| Compile_harmony-infer | ✅ SUCCESS | >>>>> | |
| Compile_Ascend_ARM_ubuntu24 | ✅ SUCCESS | >>>>> | >>>>> |
| Compile_Ascend_ARM_experimental_ubuntu24 | ✅ SUCCESS | >>>>> | >>>>> |
| Compile_Ascend_single_ubuntu24 | ✅ SUCCESS | >>>>> | >>>>> |
| Compile_X86_monitor_910b | ✅ SUCCESS | >>>>> | >>>>> |
| Compile_X86_monitor_910c | ✅ SUCCESS | >>>>> | >>>>> |
| Compile_X86_monitor_950 | ✅ SUCCESS | >>>>> | >>>>> |
| Compile_Ascend_X86_A5_ubuntu24 | ✅ SUCCESS | >>>>> | >>>>> |
| Compile_Ascend_ARM_A5_ubuntu24 | ✅ SUCCESS | >>>>> | >>>>> |
| Compile_Ascend_X86_mobile_station_9030_ubuntu24 | ✅ SUCCESS | >>>>> | >>>>> |
| Compile_Ascend_single | ✅ SUCCESS | >>>>> | >>>>> |
| UT_Test | ✅ SUCCESS | ||
| UT_Test_experimental | ✅ SUCCESS | ||
| UT_Test_kernel | ✅ SUCCESS | ||
| PreSmoke_A900 | ✅ SUCCESS | >>>>> | |
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| codecheck_Pr | ✅ SUCCESS | ||
| StaticCheck_codespell | ✅ SUCCESS | ||
| StaticCheck_link_validity | ✅ SUCCESS | ||
| StaticCheck_resource_existence | ✅ SUCCESS | ||
| StaticCheck_tag_closed | ✅ SUCCESS | ||
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描述
将
math/square/examples下的 aclnn 示例由手动资源管理改为 C++ RAII 管理，与同仓math/is_finite、math/is_inf示例风格保持一致。测试
未在 Ascend 环境实际编译运行；改动结构与已合并的
is_inf（PR #4531）一致。文档更新
无。
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