Gentoo Archives: gentoo-dev

From: Alexander Mieland <dma147@×××××××××××××××××××.de>
To: gentoo-dev@l.g.o
Subject: Re: [gentoo-dev] Some important questions to the officals of www.gentoo.org
Date: Sat, 10 Jul 2004 23:08:24
Message-Id: 200407110108.21021.dma147@mieland-programming.de
In Reply to: Re: [gentoo-dev] Some important questions to the officals of www.gentoo.org by Ciaran McCreesh
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4 Am Sonntag, 11. Juli 2004 00:44 schrieb Ciaran McCreesh:
5 > On Sun, 11 Jul 2004 00:39:03 +0200 Alexander Mieland
6 > <dma147@×××××××××××××××××××.de> wrote:
7 > | Daniel and me, Alex, got the idea of a database which contains merge
8 > | times   of all currently available (unmasked) gentoo packages for x86
9 > | architecture.
10 >
11 > ...pretty useless, really, unless you plan to provide times for both
12 > SMP and non-SMP kit. Otherwise you'll get *horridly* skewed results for
13 > packages which can't handle -j>1.
14 >
15 > Heck, even distcc is enough to upset this beyond the point of
16 > usability.
17
18 ACK.
19 it's surely in our mind to provide as much information as we can. I'm also
20 planning on a second dedicated machine, which has a Pentium 4 with
21 HT-technology to provide the SMP-part of the merge-times. In the future,
22 if all is running and the response of the users is good enough, we hope
23 that we can also provide the merge-times for other architectures than
24 x86.
25
26 By the way, as long as we dont have a second machine with smp-support, it
27 should be possibly to get reasonably accurate results if we multiply the
28 number of cpus and then divide through a factor like 1.2. You can test
29 it, it should be reasonably accurate.
30
31 But as I said, we are planning on a second machine with smp and also on
32 merge-time information for other architectures.
33
34 (please overlook my horrible grammars)
35
36 Yours sincerely,
37
38 - --
39 Alexander Mieland System: Gentoo 2004.1, 2.6.7 SMP
40 APP - Another PHP Program Registered Linux-User #249600
41 http://www.php-programs.de http://counter.li.org
42 http://www.mieland-programming.de s/Alexander Mieland/dma147
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