Skip site navigation (1)Skip section navigation (2)
Date:      Fri, 17 Feb 2006 15:43:28 -0500
From:      "Brian K. White" <brian@aljex.com>
To:        <freebsd-current@freebsd.org>
Subject:   Re: Virtual memory consumption (both user and kernel) inmodern	CURRENT
Message-ID:  <008101c63402$de029d10$6c00000a@venti>
References:  <20060215024339.N22450@atlantis.atlantis.dp.ua><43F29BF5.4060300@freebsd.org><20060216123548.GA35910@uk.tiscali.com><20060216135138.GA16669@flame.pc> <43F525A6.3080701@rogers.com><20060217013039.GA31540@xor.obsecurity.org> <43F6174A.7060801@rogers.com>

next in thread | previous in thread | raw e-mail | index | archive | help

----- Original Message ----- 
From: "Mike Jakubik" <mikej@rogers.com>
To: "Kris Kennaway" <kris@obsecurity.org>
Cc: "Giorgos Keramidas" <keramida@ceid.upatras.gr>; "Dmitry Pryanishnikov" 
<dmitry@atlantis.dp.ua>; <freebsd-current@freebsd.org>; "David Xu" 
<davidxu@freebsd.org>; "Brian Candler" <B.Candler@pobox.com>
Sent: Friday, February 17, 2006 1:34 PM
Subject: Re: Virtual memory consumption (both user and kernel) inmodern 
CURRENT


> Kris Kennaway wrote:
>> On Thu, Feb 16, 2006 at 08:23:50PM -0500, Mike Jakubik wrote:
>>
>>> And what am i trading off here? I have "/etc/malloc.conf@ -> ajz" and my
>>> memory usage has gone up the roof. My system used to be swap free, and 
>>> now its swapping over 40 MB. Can someone explain to me why this new 
>>> malloc is better? I don't see any speed improvements.
>>>
>>
>> It's a couple of orders of magnitude faster for threaded binaries.
>> See earlier posts by the author for extensive discussion.
>>
>
> Great, too bad only 2% of my applications are threaded. I just don't see 
> this change very positively, using 40MB of swap, where before was none 
> does not seem to me like a speed improvement. I'm all for better 
> performance of threaded apps, but the trade off seems too high.

Especially if: What's orders of magnitude faster, the main parts of the app 
or merely the act of spawning/destroying a new thread?

Brian K. White  --  brian@aljex.com  --  http://www.aljex.com/bkw/
+++++[>+++[>+++++>+++++++<<-]<-]>>+.>.+++++.+++++++.-.[>+<---]>++.
filePro  BBx    Linux  SCO  FreeBSD    #callahans  Satriani  Filk!




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?008101c63402$de029d10$6c00000a>