AI article
Edit the Weights, Retrieve the Fact, or Look It Up in a Graph?
Community description: Same 1,500 facts on Qwen2.5-1.5B: weight edits generalize (0.55-0.71) but locality collapses to 12-14%; graph leads where covered; gold facts in context answered 23%.
Dev.to | Oct 18, 2026 | Raihan
Automated excerpt
Same 1,500 facts, same Qwen2. 5-1. 5B model, three ways to update what it knows — with ripple effects measured, not assumed. MEMIT's joint optimization doesn't save it: same collapse. Per query: retrieval adds 0. 005s, graph compile ~0s, over 0. 63s generation.
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