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jedbrown
on Sept 14, 2010
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Why C Is Not Assembly
Division takes a data-dependent number of cycles on all x86-64 processors.
xyzzyz
on Sept 14, 2010
[–]
But the dividing instruction is still O(1).
jedbrown
on Sept 14, 2010
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To decode? Why does the user care how long it takes to decode, they care how long it takes to run. We can provide upper bounds for exp, sin, and erfc too.
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