Created by: ybbz

现在直接用官方提供的similarity_net，提示

ParallelExecutor is deprecated. Please use CompiledProgram and Executor. CompiledProgram is a central place for optimization and Executor is the unified executor. Example can be found in compiler.py. W0523 11:22:05.580132 14117 graph.h:204] WARN: After a series of passes, the current graph can be quite different from OriginProgram. So, please avoid using the OriginProgram() method!

应该没有使用多个cpu并行训练，系统只有一个cpu在使用。

看了另外一个issue：https://github.com/PaddlePaddle/models/issues/2102 也遇到过类似报错，说是需要用统一的Executor接口。

官方提供的similarity_net代码是不是需要更新下了？