Re: Looking for speed increases in "make index" and pkg_version for ports
- From: Hartmut Brandt <hartmut.brandt@xxxxxx>
- Date: Mon, 28 May 2007 23:32:52 +0200
Mike Meyer wrote:
In <465AB421.10802@xxxxxx>, Hartmut Brandt <hartmut.brandt@xxxxxx> typed:1. make and its sub-makes for a) reading the file; b) parsing the file
(note that .if and .for processing is done while parsing); c) processing
targets.
Make and submakes have been gone over already. See <URL:
http://miller.emu.id.au/pmiller/books/rmch/ >.
I'm not sure it can be applied to the ports tree, though. I haven't
looked into it, but recalled this paper when you mentioned measuring
makes and sub-makes.
Unfortunately you deleted the sentence before, so I rephrase it: before looking into optimizations find out where the time is actually spend - how many seconds of the hours the process takes, are actually spent in make and sub-makes. If the entire process takes 2 hours of which the makes take 20 seconds then by enhancing performance of make by 50% you win 10 seconds. This is probably not worth a single line of additional code.
The paper you point to talks about something entirely different.
harti
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