apeskov commented on a change in pull request #7877:
URL: https://github.com/apache/tvm/pull/7877#discussion_r615828975
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File path: include/tvm/auto_scheduler/measure.h
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@@ -340,9 +351,14 @@ class LocalBuilderNode : public ProgramBuilderNode {
public:
/*! \brief Build function. */
String build_func;
+ /*! \brief Functor with python implementation of submit method. */
+ PackedFunc submit_func;
Review comment:
The main reason of using PackedFunc here instead of string with function
name is next. I have to hold a ThreadPool object which will execute submitted
tasks. Worker ThreadPool is not a singleton, it's an essential part of
Builder/Runner instance and cannot be covered by `@tvm._ffi.register_func`
mechanics.
In other words `submit_func` is not just static function, that's a holder
for python based resources objects and methods.
I've tried to explain a little bit more detailed in
[post](https://github.com/apache/tvm/pull/7877#issuecomment-822442102)
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