avva: (Default)
[personal profile] avva
Фрагментация памяти в Файрфоксе.

Или, если свести эту статью к двум картинкам...

This is your brain:



This is your brain on Firefox:


Date: 2007-11-12 07:52 pm (UTC)
From: [identity profile] spamsink.livejournal.com
we can use arenas (as we already do for some layout objects) to help reduce fragmentation

Догадался Штирлиц.

Date: 2007-11-12 07:56 pm (UTC)
From: [identity profile] cmm.livejournal.com
это меня запутало окончательно, кстати.
они ж, вроде, и так уже Boehm GC используют.
так вот: он именно что аренами и пользуется, группируя аллокации по (округлённому) размеру.

Date: 2007-11-12 07:59 pm (UTC)
From: [identity profile] spamsink.livejournal.com
Арены по размеру, конечно, помогают, но не очень сильно. Нужны арены, группирующие логически связанные объекты.

Date: 2007-11-12 08:01 pm (UTC)
From: [identity profile] cmm.livejournal.com
нужен компактирующий аллокатор, по хорошему-то.
но увы.

Date: 2007-11-12 10:24 pm (UTC)
From: [identity profile] spamsink.livejournal.com
Если удастся уговорить народ возвратиться к handles a la MacOS 8 (?), то почему бы и нет? :) А без хэндлов компактирующий аллокатор действительно будет такое увы, что диву можно будет даться.
From: [identity profile] poige.livejournal.com
«… Про выделение динамической памяти, или почему firefox так много памяти потребляет.
(Последний раз обновлено 24 августа 2006 года).
(http://mr.himki.net/index-alloc.html) …»

Date: 2007-11-12 08:32 pm (UTC)
From: [identity profile] ex-ra-md846.livejournal.com
как они узнали как фрагментирована моя память? или ваша?

Date: 2007-11-12 08:51 pm (UTC)
From: [identity profile] dimrub.livejournal.com
As as last resort, we could replace malloc and new entirely with something more generally better.

Replacing new with something more generally better...
Replacing new with something more generally better...
Replacing new with something more generally better...

Date: 2007-11-12 11:56 pm (UTC)
From: [identity profile] avva.livejournal.com
А разгадка одна!

Date: 2007-11-12 10:30 pm (UTC)
From: [identity profile] payalnik.livejournal.com
Хороший пост под название журнала

Date: 2007-11-12 11:56 pm (UTC)

Date: 2007-11-13 07:52 am (UTC)
From: [identity profile] wildernesscat.livejournal.com
Ёлки зелёные. Догадались проверить память...

Date: 2007-11-13 09:43 am (UTC)
From: [identity profile] variate.livejournal.com
Чудеса науки. Странно только то, что полгода назад проблема была вроде как озвучена и проанализирована. Однако, тогда никто вроде ее существенной не счел. Картинки конечно вполне себе репрезентативные. Ну уж больно плохо они выглядят, неужели никто вообще не думал о фрагментации, когда это писали?
(deleted comment)

Date: 2007-11-13 01:11 pm (UTC)
From: [identity profile] cmm.livejournal.com
к версии 5.0, ага.

Date: 2007-11-13 02:36 pm (UTC)
From: [identity profile] e2pii1.livejournal.com
A в Microsoft Internet Explorer Фрагментация памяти мeньшe ?

Date: 2007-11-23 07:35 am (UTC)

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