I have a DELL R7525 Rack Server, installed 2 EPYC 7H12 CPU.
I build hpl-2.3 with Intel MKL and icc with linux centos 7.9 x64.
I run linpack test got about 3886.6 Gflops result.(efficiency 72.99%)
When xhpl run on the server, I use turbostat to monitor the CPU, see it run about 23xx MHz.
I check the CPU's spec that 7H12 CPU reference frequency is 2600MHz.
Why the cpus not running @2.6GHz or turbo to 3.2GHz？
By the way, I change the BIOS setting to disable HT, using Performace setting and max fan cooling.
I also have a test to run lammps， so when lammps running, the total cpu cores run @31xxMHz