From: Rik van Riel <riel@redhat.com>
To: wiseman@macs.biu.ac.il
Cc: Peter Zijlstra <peterz@infradead.org>,
linux-mm@kvack.org, hannes@cmpxchg.org
Subject: Re: New patch for Linux
Date: Sat, 08 Aug 2009 19:01:08 -0400 [thread overview]
Message-ID: <4A7E03B4.8010503@redhat.com> (raw)
In-Reply-To: <1466.77.126.168.195.1249763409.squirrel@webmail.cs.biu.ac.il>
Yair Wiseman wrote:
> Thanks for your quick response. Our patch is indeed an extension
> of the LRU-token approach.
The paper looks very promising, but I have a few questions.
First, why is a 1 second medium timeslice enough when processes
on modern systems are often hundreds of megabytes in size?
In one second, a disk can handle about 100 seeks, which corresponds
to 100 truly random swapin IOs. I see that a lot of the testing in
your paper was done with smaller processes on smaller memory systems,
which makes me very curious about how your algorithm will perform on
systems with larger processes.
Second, where can we get the patch? :)
The URL in the first page of the paper appears to no longer exist.
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next prev parent reply other threads:[~2009-08-08 23:01 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <4353.132.70.1.75.1249546446.squirrel@webmail.cs.biu.ac.il>
[not found] ` <1249548768.32113.68.camel@twins>
2009-08-08 21:43 ` Yair Wiseman
2009-08-08 23:01 ` Rik van Riel [this message]
2009-08-09 18:27 ` Yair Wiseman
2009-08-10 15:40 ` Rik van Riel
2009-08-10 16:54 ` Yair Wiseman
2009-08-10 17:59 ` Rik van Riel
2009-08-11 5:01 ` Yair Wiseman
2009-08-19 0:01 ` Rik van Riel
2009-08-19 7:41 ` FW: " Yair Wiseman
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