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Equation 32 · Part 2 · Shrink It, Train It Small, or Search for It: The Main Strategies for Small Models, Compared

subscript

NtotalN_{\text{total}}
subscript

What this part means

The lower label selects a particular version, component, or indexed member of the quantity. For example, x₀ and xₜ can be values at different positions.

Its job in the formula

A subscript distinguishes a version, component, step, or member of a quantity. It does not automatically mean multiplication.

The passage around this formula

with G(x) a learned gating distribution over experts. Compute per token scales with the active fraction k/E , not with the total parameter count NtotalN_{\text{total}} — the whole strategy in one line.

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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 →

Sources cited in the article section

These citations provide research context; check each source for the exact claim it supports.