What I see must be an artifact of the way MCDRAM interacts with DDR. I am preparing a graph which demonstrates that the MCDRAM bandwidth severely drops after about 2 GB. Vitali On 03/25/2016 01:52 PM, Allen, Benjamin S. wrote:

Not that we should necessarily trust the BIOS at this point, but it says 16GB:

Note, this is an old screenshot, ignore total memory, and Memory Operating Speed Selection is set back to Auto.

Ben

...

On Mar 25, 2016, at 1:38 PM, Kumaran, Kalyan <[email protected] <mailto:[email protected]>> wrote:

I�m checking on the IPM size for our Bin3 cpu. Vitali says his STREAM tests tell him it is 8GB and not 16GB. There are no details on this slide.

-Kumar

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