Equation 10 · Part 1 · How AI Inference Serving Actually Works
Symbol d_h
What this part means
the head dimension.
Its job in the formula
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 d_h→Article meaning
Where the article explains it
For a model with L layers, key-value attention heads, head dimension , holding a sequence of length s across b concurrently served sequences, stored at p bytes per element, the total resident size is
The passage around this formula
Its footprint follows directly from the shape of the cache. For a model with L layers, key-value attention heads, head dimension , holding a sequence of length s across b concurrently served sequences, stored at p bytes per element, the total resident size is
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.