Equation 9 · Part 1 · Comparing the Main Approaches to AI Inference Economics

Symbol u

u \in (0, 1]

u

What this part means

u 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

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

Full expressionSymbol uArticle meaning

The passage around this formula

Here the break-even arithmetic is genuinely simple, and worth writing down, because it is the one place in this comparison where a clean model — not a ranking of vendors — is possible. Let a reserved commitment cost $P_r$ per accelerator-hour, and let the on-demand or serverless rate that would otherwise serve the same throughput cost $P_d$ per accelerator-hour at full utilization. If the buyer’s realized utilization of the reserved capacity is u $\in$ (0, 1] , the reserved option is cheaper exactly when

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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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