A Three-Phase Factual Recall Circuit in Gemma-2B and Gemma-12B-IT
Evolving story · 1 updatesGemma Factual Recall Circuit DiscoveryTimeline → 30-second summary
Researchers identify a three-phase mechanism for factual recall in Google's Gemma-2B and Gemma-12B-IT models using activation patching, revealing how facts are stored and retrieved across transformer layers.
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Activation patching reveals how facts are stored, routed, and read out across transformer layers, and why the residual stream does most of the work
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