What's the meaning of "reg_type" when registering a kernel? #56943

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cocoshe asked this question in Q&A

cocoshe
Sep 4, 2023

Paddle/paddle/phi/core/kernel_registry.h

Lines 271 to 275 in c089a2a

    
           // NOTE: used for making a difference between inner or outer registration. 
        
           enum class RegType : uint8_t { 
        
             INNER = 0, 
        
             OUTER, 
        
           };

Any examples about what do "inner" and "outer" mean?

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