Java multi CPU capabilities
Jamon Camisso
jamon.camisso-H217xnMUJC0sA/PxXw9srA at public.gmane.org
Wed Aug 28 12:41:30 UTC 2013
On 13-08-27 10:40 PM, ted leslie wrote:
> So I guess, aside from rephrasing your question to be, why does Java
> not use more then one CPU for GC, I can only speak for c#,
> where it DOES, but I would have to say Java does to? if they don't,
> that's a shame.
http://www.oracle.com/technetwork/java/javase/gc-tuning-6-140523.html#available_collectors
Parallel GC uses multiple CPUs:
"On a machine with N processors the parallel collector uses N garbage
collector threads; however, this number can be adjusted with a command
line option (see below). On a host with one processor, the parallel
collector will likely not perform as well as the serial collector
because of the overhead required for parallel execution.... and usually
performs significantly better than the serial collector when more than
two processors are available."
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