Recall the core roles in query-key-value attention.
What does QKV remind you to separate? QKV Key versus value in attention A high key match changes how much of the value flows into the output. What does softmax do to attention scores? It turns raw compatibility scores into nonnegative weights that sum to one. Those weights decide the value-vector mixture. Objection: attention is just keyword search. Attention is just keyword search. Precise reply Not exactly. It compares learned query and key vectors, then mixes learned value vectors; the matches may track syntax, reference, format, or other learned patterns. It preserves the intuition of matching while replacing literal keyword…
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