[concurrency-interest] Some interesting (confusing?) benchmark results

Kirk Pepperdine kirk at kodewerk.com
Tue Feb 12 14:28:19 EST 2013


> 
> Do you agree that thread pool sizing depends on type of work? (IO bound vs CPU bound, bursty vs steady etc etc)
Yes
> Do you agree that a JVM Thread is not a unit of parallelism?
Yes
> Do you agree that having more JVM Threads than hardware threads is bad for CPU-bound workloads?
No, even with CPU bound workloads I have found that the hardware/OS is much better at managing many workloads across many threads than I am. So a few more threads is ok, many more threads is bad fast.

Regards,
Kirk


More information about the Concurrency-interest mailing list