Equation 8 · Part 1 · Why Cost and Latency Belong in the Evaluation Score, Not a Footnote
Symbol l
What this part means
the expected latency.
Its job in the formula
l is a part of this expression. Its role is fixed by the surrounding article and by the operations shown in the formula.
Full expression→Symbol l→Article meaning
Where the article explains it
A leaderboard rank compresses three numbers into one Treat a single evaluation run as producing a summary triple: a success indicator or rate s , an expected cost c , and an expected latency l .
The passage around this formula
The trouble with discarding c and l is not that they are minor details. It is that “cost” and “latency” are themselves not single, unambiguous numbers waiting to be read off a meter. Dehghani and colleagues made this point rigorously for model efficiency in general, cataloguing the many different cost indicators researchers use —…
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 surrounding passage
These citations provide research context; check each source for the exact claim it supports.