Gentoo Archives: gentoo-user

From: Nikos Chantziaras <realnc@×××××.de>
To: gentoo-user@l.g.o
Subject: [gentoo-user] Re: Simultaneously emerging multiple packages with same dependencies
Date: Thu, 27 Jan 2011 15:11:09
Message-Id: ihs1qu$pl6$1@dough.gmane.org
In Reply to: Re: [gentoo-user] Re: Simultaneously emerging multiple packages with same dependencies by Neil Bothwick
1 On 01/27/2011 04:53 PM, Neil Bothwick wrote:
2 > On Thu, 27 Jan 2011 16:30:30 +0200, Nikos Chantziaras wrote:
3 >
4 >>> Using --jobs does a better job of making use of your CPU because one
5 >>> package can use it fully for compiling while another is configuring.
6 >>
7 >> And what about the last package? The time you gained for faster
8 >> configure and install (which don't take too much time anyway) is wasted
9 >> again on the last package.
10 >
11 > So on a 20 package world update, only 19 are faster while the 20th runs
12 > at the same speed? Where's the loss there? Even if the last were slower,
13 > it would be worth it.
14
15 Given the amount of time unpack/configure/install of most packages needs
16 (very short), my observation is that it would not be worth it.

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