Re: Virtual memory consumption (both user and kernel) inmodern CURRENT

----- Original Message ----- 
From: "Mike Jakubik" <mikej_at_rogers.com>
To: "Kris Kennaway" <kris_at_obsecurity.org>
Cc: "Giorgos Keramidas" <keramida_at_ceid.upatras.gr>; "Dmitry Pryanishnikov" 
<dmitry_at_atlantis.dp.ua>; <freebsd-current_at_freebsd.org>; "David Xu" 
<davidxu_at_freebsd.org>; "Brian Candler" <B.Candler_at_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_at_ -> 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_at_aljex.com  --  http://www.aljex.com/bkw/
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