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Add AST-based lazy evaluation and semantic operator optimizations#246

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liana313 merged 8 commits into
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ast-pr
Apr 9, 2026
Merged

Add AST-based lazy evaluation and semantic operator optimizations#246
liana313 merged 8 commits into
mainfrom
ast-pr

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@harshitgupta412 harshitgupta412 commented Mar 25, 2026

Summary

  • Adds LazyFrame AST for recording semantic operator pipelines
  • Implements predicate pushdown and cascade threshold optimization
  • Includes benchmarks, blog examples, and semantic filter enhancements

@harshitgupta412 @liana313
Add AST-based lazy evaluation and semantic operator optimizations
6bffa0b 
Co-authored-by: liana313 <lianapat@stanford.edu>
Made-with: Cursor
liana313
liana313 requested changes Apr 8, 2026
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Comment thread docs/ast.rst
Comment thread examples/lazy_frames/ast_demo.py Outdated
Comment thread examples/lazy_frames/ast_demo.py Outdated
Comment thread examples/lazy_frames/ast_demo.py Outdated
Comment thread lotus/ast/optimizer/__init__.py
liana313
liana313 requested changes Apr 8, 2026
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Comment thread benchmarks/failure_mode_discovery/pipeline.py Outdated
Comment thread benchmarks/llm_as_judge/pipeline.py Outdated
Comment thread benchmarks/llm_as_judge/pipeline.py Outdated
@liana313 liana313 merged commit 4fd574f into main Apr 9, 2026
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@harshitgupta412 @liana313