From: malc <av1474@comtv.ru>
To: C K Kashyap <ckkashyap@gmail.com>
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] OS with only segmentation - will it be faster?
Date: Fri, 13 Aug 2010 08:45:11 +0400 (MSD) [thread overview]
Message-ID: <alpine.LNX.2.00.1008130841530.1517@linmac> (raw)
In-Reply-To: <AANLkTin8F2pD1E4nrP-vA=obxQ5F7GPM_7cr1r4WKn3y@mail.gmail.com>
On Fri, 13 Aug 2010, C K Kashyap wrote:
> Hi,
> This is not strictly qemu related but I think people who have a good idea
> about it must be on this list.
> I was wondering if I had an app that requires a fixed quantity of memory -
> sufficiently less than the available physical memory. Would it benefit from
> getting rid of the paging mechanism in the OS/hardware?
> As in, since the number of tasks are also fixed - we'd use only segmentation
> to partition the VM area? Would eliminating the paging layer give good
> returns?
>
Microsoft researchers working on Singularity claimed[1] that it does
provide significant speed improvements, and recent (few days ago)
discussion on comp.arch suggested as much (no need to go though TLB).
[1] http://channel9.msdn.com/shows/Going+Deep/Singularity-A-research-OS-written-in-C/
(maybe the claim was made in some other video, in any case it should
be there on Channel 9)
--
mailto:av1474@comtv.ru
next prev parent reply other threads:[~2010-08-13 4:45 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-13 4:32 [Qemu-devel] OS with only segmentation - will it be faster? C K Kashyap
2010-08-13 4:45 ` malc [this message]
2010-08-13 5:30 ` C K Kashyap
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