[Dy2Stat]Polish @to_static temporary file directory to speed up transformation #47102
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Aurelius84
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Oct 19, 2022
…formation (PaddlePaddle#47102) * [Dy2Stat]Polish @to_static temporary file directory * [Dy2Stat]Polish @to_static temporary file directory * refine temp.name * fix typo * fix typo
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What's New?
在 windows Python39 环境下发现 PaddleSeg 某个模型转写特别慢，经过分析发现：发现99.9%的时间都耗费在 ast_to_func函数中的
module = SourceFileLoader(module_name, f.name).load_module()代码行。经定位是因为windows下会默认把 temp文件写到
C:\Users\Administrator.DESKTOP-xxxxx\AppData\Local\Temp目录，在读取这个目录文件时存在一定的额外开销，可能原因：修复方案：在
NamedTemporaryFileAPI里可以指定 dir 参数，换成其他空目录后，导出就非常快了：