Thread: Intel Xeon PHI?
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Old 2020-12-02, 06:01   #146
VBCurtis's Avatar
Feb 2005
Riverside, CA

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I interpreted that Colfax document as explaining that cache mode would really be a cache, and not seen by the OS as main memory; while flat would treat the on-package RAM as main memory but a separate space from the DDR4 modules- it's the "two main memories" that I thought would require special coding.
In your case, with no DDR to code for, I expected flat to be the choice.

Interesting that "cache" mode is still seen by the OS as main memory.
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