customer algorithm

[dakeleblack]

When developing a custom algorithm, the example only shows the use of the built-in message aggregation function. How to customize the custom message aggregation function?

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[yecol]

Hi @bitao666,

We have some built-in aggregation functions for general data types. It is possible to extend your own.
Could you give more details about your scenario or need?
Or you can contact us via DingTalk.

[dakeleblack]

I want to know how to define a custom aggregate function in IncEval function，when compiling it throws exception：C function definition not allowed here，C++ does not support defining functions within functions，how to solve it，thanks！

[dakeleblack]

Another question，It seems that the custom algorithm does not use a parallel engine, and currently only executes single-thread， why