@gudenau @comex … on computers built in the last 30 years. The same instructions take different time on the same hardware depending on the data - and what takes how much can then change with the next generation of microcode on the same CPU, or latest when switching to the next newer processor gen.
If your constant time implementation doesn't even deal with the C model of results only mattering, I'll be hard to convince that the conditional memory access instructions that CPUs have had for
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