p517332051 opened a new issue #18476:
URL: https://github.com/apache/incubator-mxnet/issues/18476
## Description
(A clear and concise description of what the bug is.)
用C接口初始化一个模型，然后多线程去调用这个模型出bug。
后面查出来是这个文件下src/executor/graph_executor.cc的 1398行
/*
rshape = graph_.MoveCopyAttr<mxnet::ShapeVector>("shape");
*/
他会把shape这个这个属性给erase掉，然后别的线程再跑到这行就报错，目前已经把1398行改成
/*
if(is_train){
rshape = graph_.MoveCopyAttr<mxnet::ShapeVector>("shape");
}
else{
rshape = graph_.CopyAttr<mxnet::ShapeVector>("shape");
}
template<typename T>
inline T Graph::CopyAttr(const std::string& attr_name) {
auto it = attrs.find(attr_name);
CHECK(it != attrs.end())
<< "Cannot find attribute " << attr_name << " in the graph";
std::shared_ptr<any> sptr = it->second;
// attrs.erase(it);
if (sptr.unique()) {
return std::move(nnvm::get<T>(*sptr));
} else {
return nnvm::get<T>(*sptr);
}
}
*/
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### Steps to reproduce
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## What have you tried to solve it?
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