From: Badari Pulavarty <pbadari@gmail.com>
To: stanojr@blackhole.websupport.sk
Cc: linux-mm <linux-mm@kvack.org>
Subject: Re: slow hugetlb from 2.6.15
Date: Tue, 27 Jun 2006 11:47:37 -0700 [thread overview]
Message-ID: <1151434062.8918.7.camel@dyn9047017100.beaverton.ibm.com> (raw)
In-Reply-To: <20060627182325.GE6380@blackhole.websupport.sk>
On Tue, 2006-06-27 at 20:23 +0200, stanojr@blackhole.websupport.sk
wrote:
> hello
>
> look at this benchmark http://www-unix.mcs.anl.gov/~kazutomo/hugepage/note.html
> i try benchmark it on latest 2.6.17.1 (x86 and x86_64) and it slow like 2.6.16 on that web
> (in comparing to standard 4kb page)
> its feature or bug ?
Most likely, its due to new feature - demand paging for large pages :)
Doing mlock() on mmaped area help ?
Thanks,
Badari
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next prev parent reply other threads:[~2006-06-27 18:45 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-27 18:23 stanojr
2006-06-27 18:47 ` Badari Pulavarty [this message]
2006-06-27 19:23 ` Chen, Kenneth W
2006-06-27 21:51 ` Dave Hansen
2006-06-27 22:00 ` Chen, Kenneth W
2006-06-27 18:51 ` Nish Aravamudan
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