Equation 12 · Part 1 · How AI Inference Serving Actually Works
Symbol b
What this part means
the number of concurrently served sequences.
Its job in the formula
b 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 b→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 variable is a named place for a value. Its letter is a local label: x can mean position in one formula and a data point in another.
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Sources cited in the article section
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