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Equation 15 · Part 4 · The Real Economics of Shipping a Model to a Device

Symbol c_cloud

Qdevice∗=Cdev+Uccloud−cd.Q^{*}_{\mathrm{device}} = \frac{C_{\mathrm{dev}} + U}{c_{\mathrm{cloud}} - c_{d}}.
ccloudc_{\mathrm{cloud}}

What this part means

ccc_cloud occurs below the fraction bar. The quantity above the bar is divided by this expression; zero is excluded as a denominator.

Its job in the formula

ccc_cloud occurs below the fraction bar. The quantity above the bar is divided by this expression; zero is excluded as a denominator.

The passage around this formula

…cdc_{d} alone; it says nothing about CdevC_{\mathrm{dev}} or U , both of which are paid by the model’s operator, not amortized into the price the customer already paid for the phone. Qualcomm’s own public argument for why ccloudc_{\mathrm{cloud}} matters so much elsewhere in this equation is worth pairing with the CFO’s quote: the company’s 2023 hybrid-AI position paper states that “generative AI-based search cost per query is estimated to increase by 10 times compared to traditional search methods” [ 9 ] — a claim,…

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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.

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Sources cited in the surrounding passage

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