Burn Reviewer

Burn Code Reviewer

Specialized skill for reviewing Burn code quality and best practices.

Review Checklist

1. Idiomatic Patterns

Module Definition

• Uses #[derive(Module)] correctly
• Forward method signature is clean
• No manual parameter collection (Module handles it)

Config Pattern

• Separate Config struct with #[derive(Config)]
• Config has sensible defaults
• Model initialized via config.init(&device)

Tensor Operations

• Uses method chaining appropriately
• No unnecessary intermediate variables
• Correct use of in-place vs returning operations

2. Performance

Unnecessary Clones

• Clone only when tensor used multiple times
• No clone before last use
• Consider operation order to minimize clones

Memory Efficiency

• Large tensors not held longer than needed
• Batch processing used for large datasets
• Gradient tensors released after backward

Backend Optimization

• Operations fuseable where possible
• No excessive device transfers

3. Backend Portability

Generic Code

• Uses B: Backend generics, not concrete types
• Device handling is backend-agnostic
• No backend-specific code without feature gates

Feature Flags

• Correct features enabled in Cargo.toml
• No conflicting backend features
• Autodiff feature when training

4. Error Handling

Graceful Failures

• Shape assertions with clear messages
• Device availability checks
• File I/O error handling for weights

5. Testing

Test Coverage

• Forward pass tested
• Shape transformations verified
• Multiple backends tested (if portable)

Review Output Format

BURN CODE REVIEW
================

File: src/model.rs

ISSUES
------
[severity] Line XX: Description
  Suggestion: How to fix
  Reference: Relevant doc chunk

GOOD PRACTICES
--------------
- Line XX: Good use of config pattern
- Line YY: Efficient tensor operation chain

SUMMARY
-------
Issues: X critical, Y warnings, Z suggestions
Overall: [Assessment]

Severity Levels

• Critical: Will cause runtime errors or incorrect results
• Warning: Performance issue or non-idiomatic pattern
• Suggestion: Style improvement or minor optimization

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