Help Measuring Fork/Exec Overhead

Doug Gwyn <gwyn> gwyn at brl-tgr.ARPA
Sun Aug 25 18:57:53 AEST 1985


> ... there's not much point in copy-on-write if the
> smallest unit that can be mapped is an entire segment).

I don't see that.  Most fork()s are almost immediately followed
by exec(), so that avoiding the useless copying of data segments
still seems like a big win.



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