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Can we benefit from the hyperthreading technology in a VM?  RSS feed

 
Olivier Beghain
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Hi all,

I have a computer based on a Intel Pentium 4 CPU supporting the hyper-threading technology.

Is there a way to benefit from this technology (same question if I would have a computer with 2 CPUs) within a Java VM and by extension from Java apps running in the VM?

In other words, do any Java VM (Sun, etc) implementation suport the usage of more than 1 CPU and offer real multi-threading?

Thx a lot.
Regards,
-Olivier.
 
Henry Wong
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With the exception of some really old JVMs, most JVMs uses the underlying threading model of the Operating System.

To answer your question... yes.

Henry
 
It is sorta covered in the JavaRanch Style Guide.
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