The program calctick tells you how many ticks per second your computer uses when running the population clock.
The result of calctick should match the HZ variable on your system.
calctick
calctick shows the number of ticks per second on your system.
The default ticks per second on Intel Linux is 100.
Copying popclk | popclk | xpopclk | calctick | Remote Access | Population Model