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Milestone M1 Report: HBM2/3 Evaluation on Many-core CPU WBS 2.4, Milestone ECP-MT-1000

Voskuilen, Gwendolyn R.; Gimenez, Alfredo G.; Peng, Ivy P.; Moore, Shirley M.; Gokhale, Maya G.

In HIHE01-1, "Evaluate a PathForward/Facilities memory-relevant performance study/analysis," we conducted a focused study on the performance differences between HBM2 and HBM3 as revealed through execution of representative benchmarks. We used measurements on an existing many-core system, Knight's Landing (KNL), to calibrate simulator settings, and then performed Structural Simulation Toolkit (SST) simulations of KNL-like CPUs that access future high bandwidth memories. This report documents our findings.