Created by: Angus07

一模一样的代码之前一直能跑的，换了个机器跑，结果报错了。错误信息不明确指向的代码，或者是什么错误。

/root/chenliangyu/bin/paddle_1.6.0_py2.7/lib/python2.7/site-packages/paddle/fluid/executor.py:774: UserWarning: The following exception is not an EOF exception.
  "The following exception is not an EOF exception.")
Traceback (most recent call last):
  File "./run_seq2seq.py", line 363, in <module>
    main(args)
  File "./run_seq2seq.py", line 279, in main
    train_exe.run(fetch_list=[])
  File "/root/chenliangyu/bin/paddle_1.6.0_py2.7/lib/python2.7/site-packages/paddle/fluid/parallel_executor.py", line 311, in run
    return_numpy=return_numpy)
  File "/root/chenliangyu/bin/paddle_1.6.0_py2.7/lib/python2.7/site-packages/paddle/fluid/executor.py", line 775, in run
    six.reraise(*sys.exc_info())
  File "/root/chenliangyu/bin/paddle_1.6.0_py2.7/lib/python2.7/site-packages/paddle/fluid/executor.py", line 770, in run
    use_program_cache=use_program_cache)
  File "/root/chenliangyu/bin/paddle_1.6.0_py2.7/lib/python2.7/site-packages/paddle/fluid/executor.py", line 829, in _run_impl
    return_numpy=return_numpy)
  File "/root/chenliangyu/bin/paddle_1.6.0_py2.7/lib/python2.7/site-packages/paddle/fluid/executor.py", line 669, in _run_parallel
    tensors = exe.run(fetch_var_names)._move_to_list()
paddle.fluid.core_avx.EnforceNotMet: 

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C++ Call Stacks (More useful to developers):
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0   std::string paddle::platform::GetTraceBackString<char const*>(char const*&&, char const*, int)
1   paddle::platform::EnforceNotMet::EnforceNotMet(std::__exception_ptr::exception_ptr, char const*, int)
2   paddle::framework::OperatorWithKernel::ParseInputDataType(paddle::framework::ExecutionContext const&, std::string const&, paddle::framework::proto::VarType_Type*) const
3   paddle::framework::OperatorWithKernel::IndicateDataType(paddle::framework::ExecutionContext const&) const
4   paddle::framework::OperatorWithKernel::GetExpectedKernelType(paddle::framework::ExecutionContext const&) const
5   paddle::framework::OperatorWithKernel::ChooseKernel(paddle::framework::RuntimeContext const&, paddle::framework::Scope const&, boost::variant<paddle::platform::CUDAPlace, paddle::platform::CPUPlace, paddle::platform::CUDAPinnedPlace, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_> const&) const
6   paddle::framework::OperatorWithKernel::RunImpl(paddle::framework::Scope const&, boost::variant<paddle::platform::CUDAPlace, paddle::platform::CPUPlace, paddle::platform::CUDAPinnedPlace, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_> const&, paddle::framework::RuntimeContext*) const
7   paddle::framework::OperatorWithKernel::RunImpl(paddle::framework::Scope const&, boost::variant<paddle::platform::CUDAPlace, paddle::platform::CPUPlace, paddle::platform::CUDAPinnedPlace, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_> const&) const
8   paddle::framework::OperatorBase::Run(paddle::framework::Scope const&, boost::variant<paddle::platform::CUDAPlace, paddle::platform::CPUPlace, paddle::platform::CUDAPinnedPlace, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_, boost::detail::variant::void_> const&)
9   paddle::framework::details::ScopeBufferedSSAGraphExecutor::InitVariables()
10  paddle::framework::details::ScopeBufferedSSAGraphExecutor::Run(std::vector<std::string, std::allocator<std::string> > const&)
11  paddle::framework::ParallelExecutor::Run(std::vector<std::string, std::allocator<std::string> > const&)

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Error Message Summary:
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PaddleCheckError: The DataType of coalesce_tensor Op's duplicable Variable Input must be consistent. The current variable type is (::paddle::platform::float16), but the previous variable type is (float). at [/paddle/paddle/fluid/framework/operator.cc:1173]