> The tables might have 500 rpm, 1000rpm, etc cells with timing values, but when you log the ECU you do not see big jumps in timing at those cutoff points. Bec

> The tables might have 500 rpm, 1000rpm, etc cells with timing values, but when you log the ECU you do not see big jumps in timing at those cutoff points. Because in the old days you had little memory to work with, 32kb for PROGRAM(Flash) and 2kb for DATA(RAM), so you'd store a few points in your table and use a linear interpolation function for the rest. Now, because silicon is cheap, even the chip controlling your headlights has 1MB of PROGRAM memory or more and could run DOOM but instead of fancy algos it's used to store all AutoSar libraries it needs for networking and certification.