Kernel Comparison: Linux (2.6.28) versus Windows (Vista SP1)
Process
Process Unit
| Process (unit) | Linux | Windows |
| process - nomenclature | task | container, holds at least one thread |
| process - holds address space, handle table, statistics | Y | Y |
| parent-child relationship | Y | N |
Thread
| Thread | Linux | Windows |
| thread model | 1×1' | m×n |
| preemptive thread scheduling | Y | Y' |
| thread | Y (tasks can24 | Y |
| POSIX Threads | Y' | N
Y (add-on)' |
Fiber
| Fiber | Linux | Windows |
| fiber (user-space thread) | Y | Y |
Process Performance
| Process, Thread, Fiber (performance) | Linux | Windows |
| process cheap | Y' | N' |
| process cheap - benchmark | 719K cycles10' | 5,376K cycles10' |
| thread cheap | Y' | Y' |
| fiber cheap | Y' | Y' |
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Johnathon Weare © Johnny Weare 2009