Dear All, I'd like to add codegen support to Doris.
Codegen will reduce the execution time of expression(almost 50%) but will
take 150-200ms to compile the code.
There will be 2 stages:
1. Implementation of basic function, which includes:
a) Plus/Sub/Multiply for int/floating types
b) Division for floating type
2. Optimization:
a) Compile cache.
b) Compile all functions at one time to reduce the compiling time.
And my account on wiki is: mrh...@gmail.com
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Best regards
Jerry Hu
