Equation 3 · Part 1 · Serving a Frontier Model: The KV Cache, Batching, and What a Token Actually Costs
Symbol n_kv
What this part means
v is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.
Its job in the formula
v is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.
Full expression→Symbol n_kv→Article meaning
The passage around this formula
for L layers, key–value heads, head dimension , sequence length s , batch size b , and p bytes per element. The factor of two counts keys and values.
Learn the underlying idea
A subscript is a label attached below a symbol. It often selects a time step, component, category, or member of a sequence.
Open the illustrated subscripts: which member of a family? guide →
See this notation across published equations →
Sources cited in the article section
These citations provide research context; check each source for the exact claim it supports.