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Why We Built Bitweave: Sub-Millisecond Hybrid Retrieval in <1.1 MB RSS Memory

BACKGROUND
1 SIGNALFIRST DETECTED 29 July 2026
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10 May
We tried vectors, ASTs, and brute-force context stuffing for code retrieval. Graphs with LLM-generated semantics worked best. Here's what we learned.

<!-- SC_OFF --><div class="md"><p>We spent the last year building a code indexing system and tried pretty much every retrieval approach along the way. Sharing what actually worked

OPINION · WHAT · LocalLLaMAOPEN STORY
28 Aug
Stop Choosing Between BM25 and Vector Search: Implement Hybrid Search with RRF

<p><em>Combine dense embeddings and sparse keyword search using Reciprocal Rank Fusion to eliminate retrieval failure modes in production RAG systems.</em></p> <h3> The Bottleneck

REPORT · HOW · Dev.toOPEN STORY
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