Construct raw kernel and callable ASTs with FunctionBuilder in C++.
npx skills add https://github.com/LuisaGroup/LuisaCompute --skill ast-luisagroup
Please help me install this Agent Skill. Skill: ast Source: https://github.com/LuisaGroup/LuisaCompute/tree/main/.agents/skills/ast Command: npx skills add https://github.com/LuisaGroup/LuisaCompute --skill ast-luisagroup
LuisaCompute provides two approaches to construct kernels and callables: DSL Approach and Manual AST Approach. The manual AST approach uses FunctionBuilder to construct raw AST nodes directly, enabling code generation, metaprogramming, and fine-grained control when the DSL sugar is not suitable.
Define a kernel with FunctionBuilder::define_kernel and build its AST inside the callback.
High-intent search queries and answers about installing and using this skill.
Use FunctionBuilder::define_kernel to construct raw kernel ASTs programmatically in C++. Build blocks, variables, and operations inside the callback to enable code generation and metaprogramming without DSL sugar.
Manual AST construction differs from DSL by using FunctionBuilder to build raw AST nodes directly. It provides fine-grained control for code generation and metaprogramming when the DSL sugar is not suitable for the specific use case.
Yes, FunctionBuilder supports defining callables and raster stages. Use define_callable and define_raster_stage to programmatically construct these components across kernels and raster stages in C++ workflows.
Specify types when building ASTs with FunctionBuilder by using Type::of<T>(). Combine this with FunctionBuilder::current() to build blocks, variables, and operations after including luisa/ast/function_builder.h.
Use manual AST construction for metaprogramming instead of DSL when you need fine-grained control over kernel code or when programmatic kernel construction requires lower-level AST manipulation that DSL sugar cannot adequately express.
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