4 ms·There is really no limit on what can be used to hog a CPU.by crististm 10y agoThere is really no limit on what can be used to hog a CPU.erelde 10y agoCPUs are space heaters. Launch some benchmarking software or heavy compilation, put your feet on your tower.sevensor 10y agoI kept a college apartment warm through the winter of 2000 with my overclocked Athlon. Barely had to touch the thermostat.