> ... leakage by timing side-channels depends in parts on how accurate your time-measurements are (e.g. Javascript's timer resolution was degraded, in order to

> ... leakage by timing side-channels depends in parts on how accurate your time-measurements are (e.g. Javascript's timer resolution was degraded, in order to make transient failure attacks like Spectre harder [1]). But that doesn't matter if how long it takes for your instructions to execute is data independent, no ?