[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] OS with only segmentation - will it be faster?
From: |
malc |
Subject: |
Re: [Qemu-devel] OS with only segmentation - will it be faster? |
Date: |
Fri, 13 Aug 2010 08:45:11 +0400 (MSD) |
User-agent: |
Alpine 2.00 (LNX 1167 2008-08-23) |
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:address@hidden