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【Conv3DBackpropInput】Conv3DBackpropInput/Conv3DTranspose偶现精度失败，GM清零的方式存在问题，会出现nan
Ascend910_95
前一个用例结果会出现inf，第二个用例需要对output初始化清零，且会有补零的地方
不再出现nan
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Thanks for sending an issue! Please fill in the following template to help quickly solve your problem.
Describe the current behavior / 问题描述 (Mandatory / 必填)
【Conv3DBackpropInput】Conv3DBackpropInput/Conv3DTranspose偶现精度失败，GM清零的方式存在问题，会出现nan
Environment / 环境信息 (Mandatory / 必填)
Ascend910_95
Steps to reproduce the issue / 重现步骤 (Mandatory / 必填)
前一个用例结果会出现inf，第二个用例需要对output初始化清零，且会有补零的地方
Describe the expected behavior / 预期结果 (Mandatory / 必填)
不再出现nan
Related log / screenshot / 日志 / 截图 (Mandatory / 必填)
不再出现nan
Special notes for this issue/备注 (Optional / 选填)