AMD EPYC 9755 DDR5-4800 vs. DDR5-6000 Memory Performance

Written by Michael Larabel in Memory on 14 October 2024 at 10:45 AM EDT. Page 4 of 9. 3 Comments.
Algebraic Multi-Grid Benchmark benchmark with settings of . DDR5-6000 was the fastest.
WRF benchmark with settings of Input: conus 2.5km. DDR5-6000 was the fastest.

If going for an AMD EPYC 9005 series HPC server, that's where DDR5-6000 is definitely worthwhile. For memory bandwidth intensive HPC workloads, there is significant benefit with DDR5-6000 over DDR5-4800.

ACES DGEMM benchmark with settings of Sustained Floating-Point Rate. DDR5-6000 was the fastest.
LULESH benchmark with settings of . DDR5-6000 was the fastest.
miniBUDE benchmark with settings of Implementation: OpenMP, Input Deck: BM2. DDR5-4800 was the fastest.
LAMMPS Molecular Dynamics Simulator benchmark with settings of Model: 20k Atoms. DDR5-4800 was the fastest.
miniFE benchmark with settings of Problem Size: Small. DDR5-6000 was the fastest.
ASKAP benchmark with settings of Test: tConvolve MPI, Degridding. DDR5-6000 was the fastest.
ASKAP benchmark with settings of Test: tConvolve MPI, Gridding. DDR5-6000 was the fastest.
ASKAP benchmark with settings of Test: tConvolve MT, Gridding. DDR5-6000 was the fastest.

For most HPC workloads there is a measurable benefit from DDR5-6000 over DDR5-4800 for this AMD EPYC 9755 1P server testing.

CloverLeaf benchmark with settings of Input: clover_bm64_short. DDR5-6000 was the fastest.
CloverLeaf benchmark with settings of Input: clover_bm16. DDR5-6000 was the fastest.
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