Super-Flat ASTs
8 days ago
- #programming
- #parsing
- #optimization
- Introduction to optimizing a simple programming language's parser.
- Current implementation uses a recursive descent parser producing an AST with high memory usage.
- Benchmarking focuses on throughput (lines of code per second) and maximum memory usage.
- String interning introduced to reduce memory usage by reusing strings and identifiers.
- Pointer compression and flat AST representation to further optimize memory and performance.
- Bump allocation used to amortize allocation costs, improving speed and reducing memory.
- Super flat AST representation proposed for even greater efficiency, with detailed implementation.
- Results show significant improvements in both speed and memory usage with each optimization step.