Disable SMT / HyperThreading per core

Hi, you did not mention which type of EC2 instance your deploy. So, please, check this table to check that you instance type of choice allows for the number of threads per core that you want: https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/cpu-options-supported-instances-values.html

To allow further support, let us know which kind of instance in which region you run

You may also want to follow https://ripon-banik.medium.com/how-to-modify-cpu-core-and-disable-hyper-threading-in-ec2-c4671b67bf

The section 'View from OS' will allow to see the OS view on the cpu,