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Date:      Fri, 20 Aug 1999 16:51:03 -0700
From:      Matthew Hunt <mph@astro.caltech.edu>
To:        Mikhail Teterin <mi@aldan.algebra.com>
Cc:        stable@FreeBSD.ORG
Subject:   Re: installworld : problem 2 (parallelism: -j 2/3/4)
Message-ID:  <19990820165103.A70433@wopr.caltech.edu>
In-Reply-To: <199908202330.TAA00830@misha.cisco.com>; from Mikhail Teterin on Fri, Aug 20, 1999 at 07:30:38PM -0400
References:  <19990820141256.F2131@futuresouth.com> <199908202330.TAA00830@misha.cisco.com>

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On Fri, Aug 20, 1999 at 07:30:38PM -0400, Mikhail Teterin wrote:

> I did not run actual comparisions, but  it would seem, there is some CPU
> work during  installworld, especially with the  -C flag. In any  case, I
> usually do ``make world''  and the -j flag applies to  both -- build and
> install.

To do just about anything in our source tree or ports collection,
make(1) has to parse a lot of Makefile lines.  On my slow CPU with
decent I/O, "make installworld" and "make clean" are quite CPU-bound.

-- 
Matthew Hunt <mph@astro.caltech.edu> * Stay close to the Vorlon.
http://www.pobox.com/~mph/           *


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