# Code Organization Header files in include are public APIs that share across modules. There can be internal header files within each module that sit in src. ## Modules - common Internal common utilities. - api API function registration - lang The definition of DSL related data structure - arithmetic Arithmetic expression and set simplification - op The detail implementations about each operation(compute, scan, placeholder) - schedule The operations on the schedule graph before converting to IR. - pass The optimization pass on the IR structure - codegen The code generator. - runtime Minimum runtime related codes - contrib Contrib extension libraries