Table 2.
Runtimes to Find a Peak in a Spectrum within Є = 0.01 Da of the Target m/z Value, Repeated for 220 Such Searches on a Spectrum with 1000 Peaksa
| alpha | naive search | log search | binned-log search | |
|---|---|---|---|---|
| average runtime(s) | 0.0001 | 0.45861 | 0.08461 | 0.01541 |
| 0.005 | 0.45841 | 0.08472 | 0.00862 | |
| 0.01 | 0.45902 | 0.08344 | 0.00780 | |
| 0.02 | 0.45873 | 0.08342 | 0.00712 | |
| 0.05 | 0.45826 | 0.08483 | 0.00738 | |
| 0.1 | 0.45838 | 0.08464 | 0.00778 | |
| 0.5 | 0.45919 | 0.08490 | 0.01304 | |
| 1 | 0.45847 | 0.08479 | 0.01820 |
Note that for α < Є, the size of the window returned by the search must be widened to find the correct peak.