Equation 5 · Part 1 · Comparing the Main Approaches to AI Accelerator Architecture

Symbol U_hw

U_{\mathrm{hw}}

U_{\mathrm{hw}}

What this part means

$U_h$ w 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

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

Full expressionSymbol U_hwArticle meaning

The passage around this formula

Here $T_{\mathrm{peak}}$ is the arithmetic identity fixed at design time, $U_{\mathrm{hw}}$ $\in$ (0,1] is the fraction of cycles the hardware keeps its arithmetic units genuinely busy on whatever workload is thrown at it, and $U_{\mathrm{compiler}}$ $\in$ (0,1] is the fraction of a program’s theoretically available parallelism that the compiler or mapper actually manages to…

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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

[10] Efficient Processing of Deep Neural Networks: A Tutorial and Survey ↗

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