bugfix: parallel_executor for xpu should use BindThreadedSSAGraphExec… #32792
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QingshuChen
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May 7, 2021
houj04
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fuyinno4
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Bug fixes
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Describe
在下面的这个commit中
faa8c70
有一部分关于xpu的代码丢失了。
具体是：
faa8c70#diff-9507db329e07d063070d3e632b4efa0ef262e8730af0038fdfbb6d1653bcd45cL952
从这里开始的少数几行xpu相关的代码丢掉了。导致的结果是，在K200的单卡2PD的时候，模型训练速度会显著下降。
例如，在PaddleClas上面训练ResNet50的时候，单PD上的速度会从65-70images/s下降到约39images/s。
这个PR只是把前面提到的commit里面丢失的代码恢复回来而已。