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Equation 2 · Part 1 · Comparing the Main Approaches to AI Inference Economics

Symbol N_dense

NdenseN_{\mathrm{dense}}
NdenseN_{\mathrm{dense}}

What this part means

NdN_dense 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

NdN_dense is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.

The passage around this formula

for a dense model with NdenseN_{\mathrm{dense}} parameters compared against an MoE model activating NactiveN_{\mathrm{active}} of its NtotalN_{\mathrm{total}} parameters per token. What this ratio hides is exactly what a compute-only comparison always hides: memory. Serving an MoE model requires holding all NtotalN_{\mathrm{total}} parameters…

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A subscript is a label attached below a symbol. It often selects a time step, component, category, or member of a sequence.

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