White Papers

9 Dell EMC NUMA Configuration for AMD EPYC (Naples) Processors | version 1.0
D1 D0D1D0 D1 D1D0 D0
CPU
D0 D1D0D1 D0 D0D1 D1
DIMM Layout
2.2 PCIe Configuration Guidelines
 When PCIe cards are populated into particular slots with NUMA-unaware application/software, make
sure to have memory DIMMs populated in the corresponding NUMA-node mapping as local memory.
Mappings can be found in Section 4 Platform Specific NUMA/Die Domain Details
 Considering also pinning the interrupts to local CPUs to get maximum performance. For instructions
on how to tune network cards for better performance on AMD EPYC processors, go to the following
links and download provided documentation:
o https://support.amd.com/TechDocs/56224.pdf
o https://developer.amd.com/resources/epyc-resources/epyc-white-papers/