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This talk will look at using different clustering modes and MCDRAM configurations for several important applications. While Quadrant mode seemed to be the best option early in our use of the KNL's, we are now seeing that SNC2 and SNC4 seem to deliver better performance. The difference in performance is extremely application dependent, which the talk will try to quantify. Use of MCDRAM is also application dependent. While the easiest approach is either using MCDRAM as cache or, if the application is small enough, running the application completely out of MCDRAM as a memory space, there are examples where splitting the MCDRAM between Cache and Flat has some advantages.
Event Name
IXPUG BoF SC16
Keywords
ixpug
Video Name
NA