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:av1...@comtv.ru