KSE, libpthread & libthr: almost newbie question
Julian Elischer
julian at elischer.org
Mon Oct 30 19:26:20 UTC 2006
Lev Serebryakov wrote:
> Hello Julian,
>
> Monday, October 30, 2006, 8:22:39 AM, you wrote:
>
> JE> so, why does it use 1:1 threads?
> JE> who knows what the thinking here was?
> I know. I'm working in Java2SE group (runtime) in Sun now :)
>
> It usese 1:1 threads because primary platform for Java2SE is Solaris, and threading on Solaris is very good (almost perfect). It is cheaper to have 1:1 threads on Solaris (and on Win32, too, BTW), than have additional layer of custom scheduler in JVM. JVM has many thing to do, and it prefer to use system scheduler.
> N:M/1:1 change on Solaris is mostly Solaris change, not Java one: Java uses system default threading.
>
so what does the jave on freeBSD use?
>
>
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