We'd like to again offer congratulations to AMD on the release of their new 6-core Opteron ("Istanbul") processors. As Bryon mentioned, Hyper-V R2 goes hand in hand with these new processors with support for AMD's Rapid Virtualization Indexing, advanced power savings with Core Parking and, of course, more cores means compute resources to run more virtual machines. In fact, two factors that have fueled virtualization have been the rise of 64-bit (x64) computing and the rapid growth of multi-core processors.

Bring On The Cores

Even an entry level laptop these days is dual-core. On desktops, the news is even better. I saw an ad in the paper a few days ago for a very powerful HP desktop system with an AMD quad-core processor and 8 GB of memory that runs Hyper-V like a champ for $600. Well, the news is only getting better. Our partners at AMD and Intel are continuing to ratchet up the core counts and if you've been reading any of the popular tech sites around the web you may have read that we'll soon be seeing processors with 8+ cores per processor. That's a tremendous amount of compute power. In fact, with all this compute power, you're going to be more inclined to virtualize than ever. This is great news for our customers who are trying to lower cost.

However, one question that has hit our inboxes recently has been, "Does Hyper-V have a core tax?"

Source: http://blogs.technet.com/virtualization/archive/2009/06/28/Beware-the-VMware-Core-Tax-and-More.aspx

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