Azure Provides Excellent HPC Cloud Performance With HBv4 Series Powered By AMD EPYC Genoa-X

Written by Michael Larabel in Processors on 4 August 2023 at 03:00 PM EDT. Page 5 of 5. 7 Comments.

Liquid-DSP benchmark with settings of Performance Per Core, Threads: 128, Buffer Length: 256, Filter Length: 57. HBv2 was the fastest.

Liquid-DSP benchmark with settings of Performance Per Core, Threads: 176, Buffer Length: 256, Filter Length: 32. HBv2 was the fastest.

PostgreSQL benchmark with settings of Performance Per Core, Scaling Factor: 1, Clients: 500, Mode: Read Only. HC was the fastest.

PostgreSQL benchmark with settings of Performance Per Core, Scaling Factor: 1, Clients: 500, Mode: Read Only, Average Latency. HC was the fastest.

PostgreSQL benchmark with settings of Performance Per Core, Scaling Factor: 1, Clients: 800, Mode: Read Only. HC was the fastest.

PostgreSQL benchmark with settings of Performance Per Core, Scaling Factor: 1, Clients: 800, Mode: Read Only, Average Latency. HC was the fastest.

Blender benchmark with settings of Performance Per Core, Blend File: Classroom, Compute: CPU-Only. HBv4 was the fastest.

Blender benchmark with settings of Performance Per Core, Blend File: Barbershop, Compute: CPU-Only. HBv4 was the fastest.

Long story short, going from Azure HBv3 to HBv4 is a tremendous generational upgrade thanks to AMD EPYC Genoa-X processors. Those wishing to see all of my benchmark results can do so here.

Geometric Mean Of All Test Results benchmark with settings of Result Composite, Microsoft Azure HBv4 HPC Performance Benchmarks. HBv4 was the fastest.

When taking the geometric mean of all the benchmark results, the HBv4 with 176 vCPUs was 2.1x the performance of the 120 vCPU HBv3 VM. For classic high performance computing workloads and especially for areas like CFD, FEM, and other memory bandwidth intensive applications, the HBv4 performance uplift can be dramatic thanks to AVX-512 and the larger 3D V-Cache with Genoa-X. The price increase in the HBv4 line-up is justified and still the HBv4 top-end VM tended to deliver the best value.

If you are looking for the best HPC performance in the public cloud, Microsoft's Azure HBv4 series easily rises to the top. Thanks to Microsoft making these various instances available to Phoronix for gratis testing to see how the generational VM performance compares. In case you missed it, also be sure to see all of my other Genoa-X benchmarking of bare metal performance and looking at the AVX-512 impact and other follow-up performance articles to come.

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