On Sun, Feb 8, 2009 at 4:24 PM, Bruno Wolff III <bruno@xxxxxxxx> wrote: > On Sun, Feb 08, 2009 at 16:01:50 +0100, > drago01 <drago01@xxxxxxxxx> wrote: >> On Sun, Feb 8, 2009 at 3:54 PM, Bruno Wolff III <bruno@xxxxxxxx> wrote: >> > I upgraded to yesterdays rawhide and was given the 586 kernel by default. >> > The CPUs are PAE compatible so I could use the PAE kernel instead. >> > My question is, with just 2 GB of memory which is likely to run faster? >> > And is getting NX a benefit worth having in Fedora? >> >> If your cpu supports PAE you should be running PAE. >> Its not just for "> 4GB memory". > > Why? It looks like it should be slower because of an extra redirection on > the page table. However, since 586 doesn't include cmov it may not be > slower than 586. > The other benefit it appears to provide is being able to mark pages > as not executable. I don't know whether or not that actually buys anything > when using Fedora. You get support for using "real" NX (instead of the one emulated by execshield), and you should see performance increases when using visualization. -- fedora-test-list mailing list fedora-test-list@xxxxxxxxxx To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-test-list