... if it was running in a true MP arrangement, with some minor modifications. The Hyper-Threaded processor can be toggled by the OS between multitask mode or two Single Task (ST) modes, ST0, and ST1. In cases where a logical processor is idle, the operating system (must be Ring 0 privilege level) may issue a HLT (Halt) instruction that enables either ST0 or ST1 mode ... 2003, will be enabled with a P4-like core with HT. The lack of numerous multithreaded applications will dampen initial market enthusiasm for Hyper-Threading on the desktop, though in certain existing multithreaded applicati...

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• Grade Level: Undergraduate