OpenJDK: JVM and Multicore CPUs
David.Herron at Sun.COM
Mon Sep 3 20:37:48 PDT 2007
I suggest bringing this question to the hotspot mailing list. And, yes,
it does handle multithreading (e.g. java.lang.Thread) and spreading work
over multiple processors or cores. That's one of the reasons the
Niagara based systems (T2000 etc) get such great performance, as I
understand it, but don't trust me I'm not a hardware guy.
- David Herron
alexanderschunk at t-online.de wrote:
> i am currently working on a C project that detects various processor
> features i.g. Hardware multithreading, number of cores, multi-core
> processor type etc.
> Currently this C programm only works for Intel processors but i think
> it could be easily
> be adopted to AMD processor types.
> I dont know if Java VM currently supports multithreading or multicore
> detection at low-level
> so correct me if i am wrong.
> - Alex
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