Poor performance in Fluent with 2x Epyc 7532
 

With the 64000 Passmark cpu score, I'm having problems with 7532 performance in Fluent. With the same 1mil element setup, it has the same performance as Ryzen 5800x. With a 2d transient case, the more cores I use the worse performance gets, as seen on attached picture. It maybe a problem with Ansys 2022 R2, as it is shown here https://forum.ansys.com/forums/topic...ow-bandwitdth/. Unfortunately I cannot downgrade to 2020 R1 version. Have you seen something like this?


This is my setup:
1 SUPERMICRO MBD-H12DSi-N6-O Extended ATX Server Motherboard Socket SP3
2 2xAMD EPYC 7532 2.4 GHz 256MB L3 Cache Socket SP3 200W 100-000000136 Server Processor
3 128GB 16x16GB DDR4-3200 PC4-25600 1Rx4 RDIMM ECC Registered Memory by Nemix Ram
4 Dynatron A26 AMD Socket SP3 Aluminum Heatsink with Heatpipe Embedded
5 SAMSUNG 980 PRO M.2 2280 2TB PCIe Gen 4.0 x4, NVMe 1.3c Samsung V-NAND Internal Solid State Drive (SSD) MZ-V8P2T0B/AM
6 CORSAIR RMx Series (2021) RM1000x CP-9020201-NA 1000 W
7 NVIDIA Quadro M4000 8 GB GDDR5