3 Replies Latest reply on Nov 17, 2009 9:42 PM by devcentral

    Page Walk Cache on NPT

      Virtualization archiecture


      As you know, AMD-V has some versions like NPT only or NPT with Page Walk Cache. Is there somebody who knows which one has NPT with Page Walk Cache? 



        • Page Walk Cache on NPT

          Let me tag on this with a question of my own...

          Is it true that all the AMD processors (or at least K8 onward) have a page walk cache, and even if only some models have it, what are the specs?

          I'm writing applications that access more data than can be held at one time in the TLB, and the page walk cache would affect the cost of TLB misses, and thus could affect the overall algorithms.