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Equation 13 · Part 1 · How Llama's Architecture Actually Works, Generation by Generation

Symbol H

HH
HH

What this part means

H is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.

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H is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.

The passage around this formula

…pair, cutting that cache to a fraction of its multi-head size at some cost in quality. Ainslie and colleagues proposed the middle path that all three Llama generations actually use: grouped-query attention, in which H query heads are partitioned into G groups, and every query head within a group shares one key-value head pair [ 8 ] . The two earlier schemes are the boundary cases of the same construction:

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