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⚡ Bolt: Replace O(N²) nested loops with O(N) dictionary lookups#146

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perf/on-lookup-exercises-7422860832608183305
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⚡ Bolt: Replace O(N²) nested loops with O(N) dictionary lookups#146
glacy wants to merge 1 commit into
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perf/on-lookup-exercises-7422860832608183305

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@glacy

@glacy glacy commented Jun 28, 2026

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💡 What: Refactored get_all_exercises in material_extractor.py and index_materials in rag_indexer.py to use a dictionary map for finding matching solutions instead of a nested loop.

🎯 Why: Prevent O(N*M) time complexity during the extraction and indexing phases, making the process much faster, particularly with a large number of solutions.

📊 Impact: Reduces time complexity from O(N*M) to O(N).

🔬 Measurement: Run the test suite and benchmark performance.


PR created automatically by Jules for task 7422860832608183305 started by @glacy

Co-authored-by: glacy <1131951+glacy@users.noreply.github.com>
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Copilot AI review requested due to automatic review settings June 28, 2026 17:40

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Pull request overview

This PR refactors solution lookup in the material extraction and RAG indexing pipelines by replacing nested loops with per-material dictionaries, reducing matching from O(N·M) to O(N+M) while preserving “first match wins” semantics.

Changes:

  • MaterialExtractor.get_all_exercises: builds a solutions_map keyed by exercise_label to attach solutions to exercises in O(1) average lookup.
  • RAGIndexer.index_materials: builds a solutions_map per material to attach solutions during indexing without a nested loop.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 2 comments.

File Description
evolutia/rag/rag_indexer.py Uses a dict map for solution lookup during indexing to avoid nested-loop matching.
evolutia/material_extractor.py Uses a dict map for solution lookup when aggregating exercises, avoiding nested-loop matching.

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Comment on lines +271 to +281
# Generar embeddings
embeddings = self._generate_embeddings_batch(chunks)

# Sincronizar chunks con embeddings (por si se filtraron vacíos en _generate_embeddings_batch)
# Aunque aquí preferimos filtrar antes para mantener consistencia
valid_indices = [i for i, chunk in enumerate(chunks) if chunk and chunk.strip()]
chunks = [chunks[i] for i in valid_indices]

if not chunks:
logger.warning(f"Ejercicio {exercise.get('label', 'unknown')} no tiene contenido válido para indexar")
return []
Comment on lines +328 to +337
# Generar embeddings
embeddings = self._generate_embeddings_batch(chunks)

# Sincronizar chunks con embeddings
valid_indices = [i for i, chunk in enumerate(chunks) if chunk and chunk.strip()]
chunks = [chunks[i] for i in valid_indices]

if not chunks:
logger.warning(f"Lectura {metadata.get('title', 'unknown')} no tiene contenido válido para indexar")
return []
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2 participants