[EMAIL PROTECTED] wrote:
If this can remove any external subprocesses from being called, it can
have a significant performance impact. (At one point, someone figured
that removing a :sh= from one of the top-level Makefiles saved several
hours from build times. This was a long time (5+ years?) ago.
Possibly; I think that removing the exec of /bin/sh for a large
number of subprocesses may safe much more.
That's possible, yes. However, as with all these things it's best to
measure before making changes. In the original work I used extended
accounting to track what was happening at each step of the build - each
phase (clobber, install etc) ran as a separate project and each
directory was built in a separate task. Not sure if I still have the
stuff lying around, I could look if anyone is interested.
--
Alan Burlison
--
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