Dual Xeon 64 cores support???

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  09 September 2012
I'm also looking into investement in some serious render hardware for network rendering, and I found that the limit is 2 physical CPU's with windows 7, but up to 256 logical processors. I don't think there are CPU's with 128 cores out yet, so I guess that's why it is limited to 32 (2x16 cores).


Processor limits

The maximum total number of logical processors in a PC that Windows 7 supports is: 32 for 32-bit, 256 for 64-bit.

The maximum number of physical processors in a PC that Windows 7 supports is: 2 for Professional, Enterprise, and Ultimate, and 1 for Starter, Home Basic, and Home Premium.

That leaves you with the option of running a server OS that supports 4 CPU's or more. For example "Windows Server 2008 R2", but It's not officially supported by Autodesk, and I don't feel like gambling on investing in expensive hardware if there is a possibility I can't use it.

Does anyone here have actual experience from running 3dsmax under "Windows Server 2008 R2"? Does it work, or are there problems?
Markus Schille
  04 April 2013
Yep... we run Windows Server 2008 R2 SP1 and 3dsMax works fine... and with backburner too.
Currently got some xeons and AMD in the same farm, and I would highly recommend the xeon's over the AMD's.

So far the AMD's crash (probably because we have 64 cores, and only 64GB of RAM, but then we didn't spec them ourselves... the so-called clever IT bods did them for us, never again.) I have had to limit the AMD's to 32 cores in order to stop them crashing. I'm not sure if this is a mental ray issue, or a lack of RAM thing?

But, to answer your question... W2k8R2 and 3dsMax works fine!
  04 April 2013
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