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From: Patrick Lauer <patrick@gentoo.org>
To: gentoo-dev@lists.gentoo.org
Subject: Re: [gentoo-dev] Portage QOS
Date: Sat, 11 Jan 2014 11:57:42 +0800	[thread overview]
Message-ID: <52D0C136.8090209@gentoo.org> (raw)
In-Reply-To: <20140110181152.715f3e2f@googlemail.com>

On 01/11/2014 02:11 AM, Ciaran McCreesh wrote:
> On Fri, 10 Jan 2014 08:31:21 +0800
> Patrick Lauer <patrick@gentoo.org> wrote:
>> On 01/10/2014 08:16 AM, heroxbd@gentoo.org wrote:
>>> Igor <lanthruster@gmail.com> writes:
>>>
>>>> The ebuilds have approximately the same time to install, the
>>>> failure rate is about the same, emerge is getting slower.
>>>
>>> I am curious about the slowness of emerge.
>>>
>>> How about profile the portage and rewrite the time-crucial part in
>>> C/C++, or ideally, borrowing the counterpart from paludis? How
>>> feasible is that?
>>
>> Last I checked paludis wasn't faster - on average portage was a few
>> percents faster.
> 
> Your benchmark was comparing uncached behaviour, where bash is the slow
> part and which users don't see.
Wrong - even the cached cases was showing the same timing proportions.

And users see the uncached case whenever they use an overlay.

> You were also not comparing like with
> like -- any benchmarks of this nature should be taken with a heavy
> pinch of salt, since Portage with everything turned on does less
> validation that Paludis does with everything turned off...
> 
Not my problem, bad code is bad.


  reply	other threads:[~2014-01-11  3:54 UTC|newest]

Thread overview: 57+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-01-09  7:24 [gentoo-dev] Portage QOS LTHR
2014-01-09  8:12 ` Alec Warner
2014-01-09 12:44   ` Igor
2014-01-09 14:12     ` Christopher Schwan
2014-01-09 15:26       ` Igor
2014-01-09 15:55         ` Jeroen Roovers
2014-01-09 16:37           ` Igor
2014-01-10  0:27             ` heroxbd
2014-01-10 12:41               ` Igor
2014-01-10 13:51                 ` Rich Freeman
2014-01-10  0:16         ` heroxbd
2014-01-10  0:31           ` Patrick Lauer
2014-01-10  1:19             ` Tom Wijsman
2014-01-10  1:52               ` Patrick McLean
2014-01-10  2:40                 ` Tom Wijsman
2014-01-10  6:17                 ` Brian Dolbec
2014-01-10 18:14                 ` Ciaran McCreesh
2014-01-10  7:54             ` heroxbd
2014-01-10 18:11             ` Ciaran McCreesh
2014-01-11  3:57               ` Patrick Lauer [this message]
2014-01-10  1:02           ` Tom Wijsman
2014-01-10  9:10             ` heroxbd
2014-01-10 14:54               ` Tom Wijsman
2014-01-10 12:23           ` Igor
2014-01-10 12:30             ` René Neumann
2014-01-10 12:30           ` Igor
2014-01-10 12:39             ` Patrick Lauer
2014-01-10 13:05               ` Igor
2014-01-10 13:18                 ` René Neumann
2014-01-10 18:19                   ` Ciaran McCreesh
2014-01-10 19:06                     ` René Neumann
2014-01-10 14:05                 ` heroxbd
2014-01-12 10:47                 ` [gentoo-dev] " Steven J. Long
2014-01-10 13:10               ` [gentoo-dev] " Igor
2014-01-10 14:02                 ` Rich Freeman
2014-01-10 15:16                   ` Tom Wijsman
2014-01-10 18:12           ` Ciaran McCreesh
2014-01-09 15:49     ` Ben Kohler
2014-01-09 16:11       ` Igor
2014-01-09 17:59     ` [gentoo-dev] " Duncan
2014-01-09 20:42       ` Igor
2014-01-09 21:08         ` Chris Reffett
2014-01-10 12:10           ` Igor
2014-01-10 12:26             ` René Neumann
2014-01-10 12:52               ` Igor
2014-01-10 12:57                 ` René Neumann
2014-01-10 15:39                 ` Tom Wijsman
2014-01-10 16:36             ` Mike Frysinger
2014-01-10 18:17             ` Greg KH
2014-01-10 19:38           ` Duncan
2014-01-10 22:36             ` heroxbd
2014-01-11  1:28               ` Duncan
2014-01-09 19:35 ` [gentoo-dev] " yac
2014-01-11 15:00 ` Naohiro Aota
2014-01-12 10:28   ` Igor
2014-01-12 19:31   ` Igor
2014-01-12 19:31   ` Igor

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