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@Rachmanino Rachmanino commented Jan 19, 2026

Summary by CodeRabbit

  • Refactor
    • Simplified control flow syntax in example files by replacing domain-specific language constructs with standard Python equivalents for loops, breaks, and conditionals, maintaining functional equivalence while improving code readability and consistency.

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coderabbitai bot commented Jan 19, 2026

📝 Walkthrough

Walkthrough

Multiple example files are refactored to replace TileLang DSL control flow constructs (T.While, T.If/T.Then/T.Else, T.loop_break) with equivalent Python-level statements (while, if, break), simplifying the syntax while preserving the underlying logic.

Changes

Cohort / File(s) Summary
AMD Flash Attention
examples/amd/example_amd_flash_attn_bwd.py, examples/amd/example_amd_flash_attn_fwd.py
Replaced T.While(bx < num_q_blocks) context manager with plain while bx < num_q_blocks loop construct
DeepSeek Top-K Selection
examples/deepseek_v32/topk_selector.py
Replaced T.loop_break() with Python break statement to exit inner loop when l_new_topk <= 0
GDN Conditional Updates
examples/gdn/example_chunk_o.py, examples/gdn/example_chunk_scaled_dot_kkt.py
Consolidated explicit T.If/T.Then/T.Else branching with T.if_then_else vectorized conditional expressions and replaced DSL conditionals with Python if statements
GDN Backward Split
examples/gdn/example_wy_fast_bwd_split.py
Replaced multiple T.If/T.Then/T.Else blocks with Python if statements and T.if_then_else expressions for conditional assignments in fragment updates

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~12 minutes

Possibly related PRs

  • fix amd tir&add examples #784 — Modifies the same AMD example files (example_amd_flash_attn_bwd.py, example_amd_flash_attn_fwd.py) with similar control flow construct replacements.

Suggested reviewers

  • LeiWang1999

Poem

🐰 Hopping through the code so bright,
From DSL constructs to Python's light,
While loops now plain, conditionals clear,
Simpler syntax brings cheer!
Control flows dance, semantics stay true,

🚥 Pre-merge checks | ✅ 2 | ❌ 1
❌ Failed checks (1 warning)
Check name Status Explanation Resolution
Docstring Coverage ⚠️ Warning Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%. Write docstrings for the functions missing them to satisfy the coverage threshold.
✅ Passed checks (2 passed)
Check name Status Explanation
Description Check ✅ Passed Check skipped - CodeRabbit’s high-level summary is enabled.
Title check ✅ Passed The title accurately describes the main changes: replacing TileLang DSL control flow constructs with Python-side equivalents across multiple example files for consistency.

✏️ Tip: You can configure your own custom pre-merge checks in the settings.

✨ Finishing touches
  • 📝 Generate docstrings

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@LeiWang1999 LeiWang1999 merged commit c871813 into tile-ai:main Jan 19, 2026
7 checks passed
@Rachmanino Rachmanino deleted the keywords branch January 19, 2026 11:17
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2 participants