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Equation 17 · Dense, Sparse, and Distilled: Comparing Approaches to Frontier Model Capacity

What does this equation mean?

Na=NN_a = N

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Inputs and operationsN
Result or conditionN_a
How to read the two sides of this formula. Follow the article passage for the meaning of each quantity.

This equation states an equality: the expressions on both sides have the same value under the article’s assumptions. Read the equation part by part below; each part has a contextual explanation and a link to its mathematical background.

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NaN_a

Symbol N_a

NaN_a is part of the quantity the equation computes from the expression on the right.

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NN

Symbol N

the not.

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=

=

The expressions on both sides represent the same quantity under the stated assumptions.

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subscript

subscript

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.

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How to interpret it

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What the article says around this equation

What sparse routing breaks: NaN_a = N . Best when training compute is the binding constraint and memory is not.

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Sources cited in the article section

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