“…We show that if worker availability and reliability thresholds are both on either end of the spectrum (i.e., close to 0 or 1), performance is unacceptable, i.e., fewer results are delivered in a given amount of time. 3. We show that BOINC applications have "sweet spots", i.e., worker availability and reliability thresholds that, when used to make scheduling decisions, deliver the largest number of valid results in a given amount of time.…”