Kernel Comparison: Linux (2.6.22) versus Windows (Vista)

Clock

*Hardware Clock*	Linux	Windows
tickless	Y (x86) N (AMD64/Intel64, IA-64)	N
timer interrupt frequency default - uniprocessor	250Hz^'	100Hz^'
timer interrupt frequency build time configurable - uniprocessor	unlimited^'	N^'
timer interrupt frequency - multiprocessor	250Hz^'	66.6Hz^'
timer interrupt frequency build time configurable - multiprocessor	unlimited^'	N^'

*Hardware High-Resolution timer*	Linux	Windows
High Precision Event Timer (HPET)	Y	Y
Time Stamp Counter (RDTSC) - uniprocessor	Y^'	Y^'
Time Stamp Counter (RDTSC) - multiprocessor	Y^'	Y^'

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Johnathon Weare © Johnny Weare 2007
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