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phunkphorce
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PostPosted: Wed Jan 08, 2003 9:23 am    Post subject: Make Mozilla render faster Reply with quote

I thought this might be of interest to anybody.

Reading the Mozilla forums, I found something that makes it render pages faster. Add this to your own prefs.js (should be somewhere under the .mozilla/ folder in your home directory):

Code:
user_pref("nglayout.initialpaint.delay", 0);

By default Mozilla comes with it set to 500 and in Phoenix it is set to 250 (that's why Phoenix feels faster when rendering)
I've been using for a few weeks now and definitely Mozilla feels much faster, and I haven't found any side effect yet ;)

PS.: Don't ask me about any technical reason for this. I simply found it, tested it and noticed the increase of speed... :)

*** UPDATE ***

FYI, I found the source of this information. It wasn't the Mozilla forums as I previously said but in this Slashdot comment: http://slashdot.org/comments.pl?sid=49452&cid=4994607. From that article you can jump to this BugZilla bug, http://bugzilla.mozilla.org/show_bug.cgi?id=180241 if you want to have some more information about this setting. Status of the bug is REOPENED and it seems that there has been some discussion about it lately.

Oh, and sorry for not stating the source of this information in my original post :oops:
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Last edited by phunkphorce on Wed Jan 08, 2003 10:01 am; edited 1 time in total
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charlieg
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PostPosted: Wed Jan 08, 2003 9:40 am    Post subject: Possible reason Reply with quote

I would imagine the delay is to wait for the entire html to be downloaded so the page doesn't adjust in the eyes of the view as <table> tags get completed.
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PostPosted: Wed Jan 08, 2003 9:48 am    Post subject: Reply with quote

i prefer to see the page transform infront of me, makes things seem faster like its actualy doing something, defo gonna try this when i get home :)

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idl
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PostPosted: Wed Jan 08, 2003 12:04 pm    Post subject: Reply with quote

for those using phoenix its in the file called all.js and the code is allmost the same as above but without the user_ part

Code:
pref("nglayout.initialpaint.delay", 0);
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sessionID
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PostPosted: Wed Jan 08, 2003 12:28 pm    Post subject: Reply with quote

Thanks, great tip!

I have adsl, and delay = 0 works great (pages load *fast*).
OTOH on some slower and complex sites (cnn.com, netscape.com) re-drawing makes the full rendering a bit slower (but I think I'll keepit 0 ;) ).


BTW, the bugzilla entry is really interesting.
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phunkphorce
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PostPosted: Wed Jan 08, 2003 12:35 pm    Post subject: Reply with quote

Well, one thing I'd like to point out is that this doesn't really make Mozilla render faster. It just makes the user feel that the page rendered faster because the time it takes between mozilla gets the last chunk of data and when it shows it has been reduced to 0. It's the same idea behind the preemptive patches for the kernel: they don't make it run faster but they make the whole system feel more responsive and snappier (specially the X environment)

You can have more detailed technical information about it if you follow the link to the BugZilla page :)
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PostPosted: Wed Jan 08, 2003 12:50 pm    Post subject: Re: Make Mozilla render faster Reply with quote

phunkphorce wrote:
I thought this might be of interest to anybody.

Reading the Mozilla forums, I found something that makes it render pages faster. Add this to your own prefs.js (should be somewhere under the .mozilla/ folder in your home directory):

Code:
user_pref("nglayout.initialpaint.delay", 0);

By default Mozilla comes with it set to 500 and in Phoenix it is set to 250 (that's why Phoenix feels faster when rendering)
I've been using for a few weeks now and definitely Mozilla feels much faster, and I haven't found any side effect yet ;)

PS.: Don't ask me about any technical reason for this. I simply found it, tested it and noticed the increase of speed... :)

*** UPDATE ***

FYI, I found the source of this information. It wasn't the Mozilla forums as I previously said but in this Slashdot comment: http://slashdot.org/comments.pl?sid=49452&cid=4994607. From that article you can jump to this BugZilla bug, http://bugzilla.mozilla.org/show_bug.cgi?id=180241 if you want to have some more information about this setting. Status of the bug is REOPENED and it seems that there has been some discussion about it lately.

Oh, and sorry for not stating the source of this information in my original post :oops:


The file that need to be edited is:
.mozilla/default/9m75z100.slt/prefs.js

But the problem is that mozilla changes this file back to the old values so I changed the owner to root :-)
Any clue?
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phunkphorce
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PostPosted: Wed Jan 08, 2003 12:54 pm    Post subject: Re: Make Mozilla render faster Reply with quote

DArtagnan wrote:

But the problem is that mozilla changes this file back to the old values so I changed the owner to root :-)
Any clue?

It has to be done when Mozilla's not running :)
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PostPosted: Wed Jan 08, 2003 1:08 pm    Post subject: Re: Make Mozilla render faster Reply with quote

phunkphorce wrote:
DArtagnan wrote:

But the problem is that mozilla changes this file back to the old values so I changed the owner to root :-)
Any clue?

It has to be done when Mozilla's not running :)


Did :-(
Mozilla changes all back
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PostPosted: Wed Jan 08, 2003 2:21 pm    Post subject: Reply with quote

Woohoo...thanks!!
mozilla is allot faster now :D
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Carlo
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PostPosted: Wed Jan 08, 2003 2:39 pm    Post subject: Re: Make Mozilla render faster Reply with quote

DArtagnan wrote:
Did :-(
Mozilla changes all back


I have the same problem.


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phunkphorce
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PostPosted: Wed Jan 08, 2003 2:51 pm    Post subject: Reply with quote

If it doesn't work, you might want to try to add almost the same to the file /usr/lib/mozilla/defaults/pref/unix.js:

Code:
pref("nglayout.initialpaint.delay", 0);

I'm just guessing now, so your mileage may vary. What I'm really sure is that the original fix works fine for window$ :)
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PostPosted: Wed Jan 08, 2003 5:46 pm    Post subject: Reply with quote

phunkphorce wrote:
It's the same idea behind the preemptive patches for the kernel: they don't make it run faster but they make the whole system feel more responsive and snappier
Well, kind of, not really. User-space threads (like X) work in a pre-emptive fashion, as they have from day one; kernel-space threads are now subject to a similar scheduling system, meaning that user-space threads get control in a more orderly fashion and that kernel blocks are less of an issue.
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Carlo
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PostPosted: Wed Jan 08, 2003 5:57 pm    Post subject: Reply with quote

@phunkphorce: Sure, but why the hell mozilla doesn't respect changes made by users!? Thx anyway! Loading sites from slow servers is smarter now, if you know you want to click on one already shown link.


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phunkphorce
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PostPosted: Wed Jan 08, 2003 6:00 pm    Post subject: Reply with quote

delta407 wrote:
phunkphorce wrote:
It's the same idea behind the preemptive patches for the kernel: they don't make it run faster but they make the whole system feel more responsive and snappier
Well, kind of, not really. User-space threads (like X) work in a pre-emptive fashion, as they have from day one; kernel-space threads are now subject to a similar scheduling system, meaning that user-space threads get control in a more orderly fashion and that kernel blocks are less of an issue.

Well, maybe the example I chose wasn't really the best one... I simply tried to mean that it's not that Mozilla renders pages fasters but that it seems that it renders faster, just because it shows something faster. I remember that back in the days when I was at the university studying operating systems, there were several different ways to measure the efficiency of an operating system, and as far as I remember one of them was based on how fast a process can show some data to the user (or something like that :))

I think in this case is the same. Setting that value to 0, as I have suggested, doesn't Mozilla make faster at all, but you get to see things faster even if Mozilla hasn't finished loading the page. For example everytime I reload this page in the forums I can see how it is built and it is redrawn at least a couple of times, kind of what Explorer does. So, my own subjective impression is that it works faster, just as the X-Window feels faster and snappier when all the preemption patches are applied in your kernel.

Hmmm, hope it sounds better now :), but thanks for giving a more technical view anyway 8)
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PostPosted: Wed Jan 08, 2003 6:42 pm    Post subject: Reply with quote

Thnx!!!

I edited: "/usr/lib/phoenix/defaults/pref/all.js" and now my phoenix is very fast.
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PostPosted: Wed Jan 08, 2003 6:58 pm    Post subject: Reply with quote

CoronaLover wrote:
Woohoo...thanks!!
mozilla is allot faster now :D

what file u've changed?
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PostPosted: Wed Jan 08, 2003 8:22 pm    Post subject: huh? Reply with quote

Id like to modify it but it seem like i dont have that line in my prefs.js file...

Im using: Mozilla 1.2.1
here is the path: .mozilla/default/f4ph3cco.slt/prefs.js

here is the file:
# Mozilla User Preferences
// This is a generated file!

user_pref("browser.chrome.toolbar_style", 0);
user_pref("browser.chrome.toolbar_tips", false);
user_pref("browser.download.dir", "888");
user_pref("browser.search.defaultengine", "engine:///usr/lib/mozilla/searchplugins/google.src");
user_pref("browser.search.opensidebarsearchpanel", false);
user_pref("browser.startup.homepage", "http://www.mozilla.org/start/");
user_pref("browser.startup.homepage_override.mstone", "rv:1.2.1");
user_pref("browser.tabs.loadInBackground", true);
user_pref("browser.tabs.opentabfor.middleclick", true);
user_pref("dom.disable_open_during_load", true);
user_pref("editor.history_title_0", "");
user_pref("editor.history_url_0", "about:blank");
user_pref("extensions.enigmail.alwaysTrustSend", true);
user_pref("extensions.enigmail.configuredVersion", "0.71.0.0");
user_pref("extensions.enigmail.confirmBeforeSend", false);
user_pref("extensions.enigmail.defaultEncryptionOption", 0);
user_pref("extensions.enigmail.defaultSignMsg", false);
user_pref("extensions.enigmail.disableSMIMEui", true);
user_pref("extensions.enigmail.encryptToSelf", true);
user_pref("extensions.enigmail.logDirectory", "");
user_pref("extensions.enigmail.parseAllHeaders", true);
user_pref("extensions.enigmail.useMimeExperimental", false);
user_pref("extensions.enigmail.usePGPMimeOption", 0);
user_pref("extensions.enigmail.userIdFromAddr", true);
user_pref("extensions.enigmail.userIdValue", "");
user_pref("extensions.venkman.lastErrorMode", "ignore");
user_pref("extensions.venkman.lastThrowMode", "ignore");
user_pref("extensions.venkman.layoutState.default", "x-vloc:/mainwindow/initial-container?target=container&id=outer&type=horizontal; x-vloc:/mainwindow/outer?target=container&id=gutter&before=vright&type=vertical; x-vloc:/mainwindow/gutter?target=view&id=scripts&before=stack; x-vloc:/mainwindow/gutter?target=view&id=stack");
user_pref("extensions.venkman.prettyprint", false);
user_pref("extensions.venkman.startupCount", "1");
user_pref("font.minimum-size.x-western", 10);
user_pref("font.name.cursive.x-western", "Andale Mono");
user_pref("font.name.fantasy.x-western", "Andale Mono");
user_pref("font.name.monospace.x-western", "Andale Mono");
user_pref("font.name.sans-serif.x-western", "Andale Mono");
user_pref("font.name.serif.x-western", "Andale Mono");
user_pref("font.size.variable.x-western", 14);
user_pref("general.open_location.last_url", "file:///***");
user_pref("ldap_2.prefs_migrated", true);
user_pref("ldap_2.servers.history.filename", "history.mab");
user_pref("ldap_2.servers.history.replication.lastChangeNumber", 0);
user_pref("ldap_2.servers.pab.filename", "abook.mab");
user_pref("ldap_2.servers.pab.replication.lastChangeNumber", 0);
user_pref("mail.account.account1.identities", "id1");
user_pref("mail.account.account1.server", "server1");
user_pref("mail.account.account2.server", "server2");
user_pref("mail.accountmanager.accounts", "account1,account2");
user_pref("mail.accountmanager.defaultaccount", "account1");
user_pref("mail.accountmanager.localfoldersserver", "server2");
user_pref("mail.default_html_action", 1);
user_pref("mail.identity.id1.draft_folder", "mailbox://***");
user_pref("mail.identity.id1.drafts_folder_picker_mode", "0");
user_pref("mail.identity.id1.fcc_folder", "mailbox://***");
user_pref("mail.identity.id1.fcc_folder_picker_mode", "0");
user_pref("mail.identity.id1.fullName", "Wouldn't you like to know.");
user_pref("mail.identity.id1.smtpServer", "smtp1");
user_pref("mail.identity.id1.stationery_folder", "mailbox://***/Templates");
user_pref("mail.identity.id1.tmpl_folder_picker_mode", "0");
user_pref("mail.identity.id1.useremail", "***");
user_pref("mail.identity.id1.valid", true);
user_pref("mail.root.none", "***");
user_pref("mail.root.pop3", "/home/alex/.mozilla/default/f4ph3cco.slt/Mail");
user_pref("mail.server.server1.directory", "/home/alex/.mozilla/default/f4ph3cco.slt/Mail/**");
user_pref("mail.server.server1.download_on_biff", true);
user_pref("mail.server.server1.hostname", "**");
user_pref("mail.server.server1.login_at_startup", true);
user_pref("mail.server.server1.name", "**");
user_pref("mail.server.server1.type", "pop3");
user_pref("mail.server.server1.userName", "**");
user_pref("mail.server.server2.directory", "/home/alex/.mozilla/default/f4ph3cco.slt/Mail/Local Folders");
user_pref("mail.server.server2.hostname", "Local Folders");
user_pref("mail.server.server2.name", "Local Folders");
user_pref("mail.server.server2.type", "none");
user_pref("mail.server.server2.userName", "nobody");
user_pref("mail.show_headers", 2);
user_pref("mail.smtp.defaultserver", "smtp1");
user_pref("mail.smtpserver.smtp1.hostname", "**");
user_pref("mail.smtpserver.smtp1.username", "**");
user_pref("mail.smtpservers", "smtp1");
user_pref("network.cookie.cookieBehavior", 0);
user_pref("network.ftp.anonymous_password", "");
user_pref("plugin.soname.list", "libXt.so:libXext.so");
user_pref("prefs.converted-to-utf8", true);
user_pref("security.warn_entering_secure", false);
user_pref("security.warn_leaving_secure", false);
user_pref("security.warn_submit_insecure", false);
user_pref("signon.SignonFileName", "41032425.s");
user_pref("timebomb.first_launch_time", "1041031716549698");
user_pref("update_notifications.provider.0.last_checked", 1041681525);
user_pref("wallet.SchemaValueFileName", "41032507.w");
user_pref("wallet.caveat", true);
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PostPosted: Wed Jan 08, 2003 8:30 pm    Post subject: Re: huh? Reply with quote

ghetto wrote:
Id like to modify it but it seem like i dont have that line in my prefs.js file...

phunkphorce wrote:
Add this to your own prefs.js

So, just put it there... 8)
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PostPosted: Wed Jan 08, 2003 8:34 pm    Post subject: oops Reply with quote

:oops:

oops, heh heh...
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PostPosted: Thu Jan 09, 2003 7:39 am    Post subject: Re: Make Mozilla render faster Reply with quote

DArtagnan wrote:
The file that need to be edited is:
.mozilla/default/9m75z100.slt/prefs.js

But the problem is that mozilla changes this file back to the old values so I changed the owner to root :-)
Any clue?


Don't edit prefs.js

The proper file to edit is user.js in the same directory. Mozilla imports these settings into prefs.js at runtime.

This is supposed to ensure that users don't muck up their working prefs files by testing the user.js settings before importing them. Once you've done this I think you'll find it works much nicer.

(also 9m75z100 is an autogenerated string unique to your computer and will be different on everyone's machines)
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PostPosted: Thu Jan 09, 2003 9:31 am    Post subject: Reply with quote

I believe you need to create a file called user.js and put it in there... mozilla generates it's js file from it's defaults, using user.js as an override

s0be

::edit:: d'oh... somone beat me to it
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PostPosted: Thu Jan 09, 2003 9:47 am    Post subject: Reply with quote

maybe your right, maybe your wrong.. all i know is it put it in the existing .js file while moz wasnt running and then i started moz and it was quicker... so then i opened the .js file that i edited and YES it was still there.. although it had moved about twenty lines down the file.. which is a little strange but who cares its still there and thats all i really care about :roll:
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PostPosted: Thu Jan 09, 2003 2:42 pm    Post subject: Reply with quote

s0be wrote:
I believe you need to create a file called user.js and put it in there... mozilla generates it's js file from it's defaults, using user.js as an override


I tried that. Works fine, it's a lot faster indeed (at least no unneeded delay anymore).

It feels very speedy and that's nice :)
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PostPosted: Thu Jan 09, 2003 2:45 pm    Post subject: Reply with quote

Zu` wrote:
s0be wrote:
I believe you need to create a file called user.js and put it in there... mozilla generates it's js file from it's defaults, using user.js as an override


I tried that. Works fine, it's a lot faster indeed (at least no unneeded delay anymore).

It feels very speedy and that's nice :)


Indeed
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