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on June 29, 2008 at 11:29:19 am

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




Process Unit

Process (unit) Linux Windows
process - nomenclaturetaskcontainer, holds at least one thread
process - holds address space, handle table, statisticsYY
parent-child relationshipYN



Thread Linux Windows
thread model1×1'm×n
preemptive thread schedulingYY'
threadY (tasks can24Y
POSIX ThreadsY'N

Y (add-on)'



Fiber Linux Windows
fiber (user-space thread)YY


Process Performance

Process, Thread, Fiber (performance) Linux Windows
process cheapY'N'
process cheap - benchmark719K cycles10'5,376K cycles10'
thread cheapY'Y'
fiber cheapY'Y'




Johnathon Weare © Johnny Weare 2008

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