how much memory did your programs allocate prior to fork()ing?A test program and statistics are shown below which clearly show Cygwin's fork implementation in the lead.
copy-on-write might only apply to applications with high memory-usage.
another thing i didn't understand was, why you took a the real-time for mesuring?
i can do "time mc" and exit mc after 10sec and time will show real-time 10sec but the _real cpu-time_ is below <1sec.
the CPU-times consumed by the copy-on-write-implemention is _lower_ than cygwin-implementation's CPU-time.
so why are you guys worried?
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