Gentoo Archives: gentoo-dev

From: Jauhien Piatlicki <jauhien@g.o>
To: gentoo-dev@l.g.o
Subject: Re: [gentoo-dev] Portage dependency solving algorithm
Date: Fri, 07 Nov 2014 19:56:32
Message-Id: 545D23DE.5010003@gentoo.org
In Reply to: Re: [gentoo-dev] Portage dependency solving algorithm by hasufell
1 On 11/07/2014 08:08 PM, hasufell wrote:
2 > On 11/07/2014 07:54 PM, Matthias Maier wrote:
3 >>> Well, you're not comparing like with like. Paludis with "everything
4 >>> turned off" does more than Portage with "everything turned on". If all
5 >>> you're looking for is the wrong answer as fast as possible, there are
6 >>> easier ways of getting it...
7 >>
8 >> The last time I compared the resolver speed of portage and paludis both
9 >> needed almost the same time.
10 >>
11 >> Do you have a speed comparison with a similar feature set of both? (Or,
12 >> alternatively, the speedup one gains by tuning paludis to be as fast as
13 >> possible).
14 >>
15 >
16 > I think you didn't get the idea: it doesn't make much sense to compare
17 > the speed if the correctness differs.
18 >
19 > Also, I don't understand these discussions. The time dependency
20 > resolving takes is marginal compared to the whole update process, no
21 > matter what PM you use.
22 >
23
24 When it compiles in background after all dependencies was solved, it
25 needs no user intervention. But when I need to solve some blocks or do
26 some tests during maintaining work, the dependency solving time is what
27 I care about, as I need to wait for it and then investigate the results.

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Subject Author
Re: [gentoo-dev] Portage dependency solving algorithm hasufell <hasufell@g.o>