Microsoft Windows Internals 4th. ed. Quantum : a quantum is the amount of time a thread gets to run before Windows checks to see whether another thread at the same priority is waiting to run. 1. win2000, XP : threads run by default for 2 clock intervals, 이것은 다음과 같이 표현한다. quantum value = 6 (2*3(clock tick)) 2. Windows Server : threads run by default for 12 clock intervals..