Phoronix: Intel Xeon 6980P SNC3 vs. HEX Clustering Mode Performance
With the Intel Xeon 6900P "Granite Rapids" processors that launched last week there are SNC3 and HEX clustering modes for these new processors. The default Sub-NUMA Clustering 3 (SNC3) mode for the three compute dies while the HEX mode is like SNC1 mode formerly for all three compute dies acting as one NUMA node. Using the flagship 128-core Intel Xeon 6980P processors, I ran some benchmarks looking at the real-world performance difference for SNC3 vs. HEX clustering modes on Granite Rapids.
With the Intel Xeon 6900P "Granite Rapids" processors that launched last week there are SNC3 and HEX clustering modes for these new processors. The default Sub-NUMA Clustering 3 (SNC3) mode for the three compute dies while the HEX mode is like SNC1 mode formerly for all three compute dies acting as one NUMA node. Using the flagship 128-core Intel Xeon 6980P processors, I ran some benchmarks looking at the real-world performance difference for SNC3 vs. HEX clustering modes on Granite Rapids.
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