I used to run a PC based stress-test tool to test the performance of my IBM i web applications, which handled HTTP POST and GET methods. The tool could drive IBM i CPU utilization to 100%.
It was interesting that smaller time slices for those IBM i workloads resulted in the highest overall throughput. I eventually reduced the time slice to 1 millisecond, which provided the highest throughput.
That seemed counterintuitive to me.
Frank Soltis asserted that IBM i provided faster task-swapping than any other operating system out there.
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