Using more threads than cores results in unnecessary context switches and will actually decrease throughput. I set the number of threads to the number cores minus 1 so the OS has one core to do other pressing things and does not need to congest the cores utilized by JMH.
fabienrenaud
commented
6 months ago
Using more threads than cores results in unnecessary context switches and will actually decrease throughput. I set the number of threads to the number cores minus 1 so the OS has one core to do other pressing things and does not need to congest the cores utilized by JMH.