Created by: chenwhql

PR types: Function optimization

PR changes: Others

Describe:

In imperative mode, op run op_kernel directly and don't pass the operator->Run, we should add try-catch for imperative tracer::TraceOp to append error op hint.

Examples

Please note the last line

• original

Traceback (most recent call last):
  File "dygraph_demo.py", line 8, in <module>
    res = linear(data)
  File "/usr/local/lib/python3.5/dist-packages/paddle/fluid/dygraph/layers.py", line 466, in __call__
    outputs = self.forward(*inputs, **kwargs)
  File "/usr/local/lib/python3.5/dist-packages/paddle/fluid/dygraph/nn.py", line 965, in forward
    'transpose_Y', False, "alpha", 1)
paddle.fluid.core_avx.EnforceNotMet:

--------------------------------------------
C++ Call Stacks (More useful to developers):
--------------------------------------------
0   std::string paddle::platform::GetTraceBackString<std::string >(std::string&&, char const*, int)
1   paddle::platform::EnforceNotMet::EnforceNotMet(std::string const&, char const*, int)
2   paddle::operators::MatMulOp::InferShape(paddle::framework::InferShapeContext*) const
3   paddle::imperative::PreparedOp::Run(paddle::imperative::NameVarBaseMap const&, paddle::imperative::NameVarBaseMap const&, paddle::framework::AttributeMap const&)
4   paddle::imperative::Tracer::TraceOp(std::string const&, paddle::imperative::NameVarBaseMap const&, paddle::imperative::NameVarBaseMap const&, paddle::framework::AttributeMap, paddle::platform::Place const&, bool)
5   paddle::imperative::Tracer::TraceOp(std::string const&, paddle::imperative::NameVarBaseMap const&, paddle::imperative::NameVarBaseMap const&, paddle::framework::AttributeMap)

----------------------
Error Message Summary:
----------------------
InvalidArgumentError: Input X's width should be equal to the Y's height, but received X's shape: [10, 2],Y's shape: [1, 10].
  [Hint: Expected mat_dim_x.width_ == mat_dim_y.height_, but received mat_dim_x.width_:2 != mat_dim_y.height_:1.] at (/work/paddle/paddle/fluid/operators/matmul_op.cc:411)

• new

Traceback (most recent call last):
  File "dygraph_demo.py", line 8, in <module>
    res = linear(data)
  File "/usr/local/lib/python3.5/dist-packages/paddle/fluid/dygraph/layers.py", line 466, in __call__
    outputs = self.forward(*inputs, **kwargs)
  File "/usr/local/lib/python3.5/dist-packages/paddle/fluid/dygraph/nn.py", line 965, in forward
    'transpose_Y', False, "alpha", 1)
paddle.fluid.core_avx.EnforceNotMet:

--------------------------------------------
C++ Call Stacks (More useful to developers):
--------------------------------------------
0   std::string paddle::platform::GetTraceBackString<std::string >(std::string&&, char const*, int)
1   paddle::platform::EnforceNotMet::EnforceNotMet(std::string const&, char const*, int)
2   paddle::operators::MatMulOp::InferShape(paddle::framework::InferShapeContext*) const
3   paddle::imperative::PreparedOp::Run(paddle::imperative::NameVarBaseMap const&, paddle::imperative::NameVarBaseMap const&, paddle::framework::AttributeMap const&)
4   paddle::imperative::Tracer::TraceOp(std::string const&, paddle::imperative::NameVarBaseMap const&, paddle::imperative::NameVarBaseMap const&, paddle::framework::AttributeMap, paddle::platform::Place const&, bool)
5   paddle::imperative::Tracer::TraceOp(std::string const&, paddle::imperative::NameVarBaseMap const&, paddle::imperative::NameVarBaseMap const&, paddle::framework::AttributeMap)

----------------------
Error Message Summary:
----------------------
InvalidArgumentError: Input X's width should be equal to the Y's height, but received X's shape: [10, 2],Y's shape: [1, 10].
  [Hint: Expected mat_dim_x.width_ == mat_dim_y.height_, but received mat_dim_x.width_:2 != mat_dim_y.height_:1.] at (/work/paddle/paddle/fluid/operators/matmul_op.cc:411)
  [operator < matmul > error]