Richard L. Hamilton wrote:
AFAIK, to applications, each of the CPU threads on each core is just another
CPU. However, only one thread can be using each of the execution units
making up that core at any given time. So the parallelism won't be quite
that high. And how well you do probably depends very much on the particular
workload.
According to http://blogs.sun.com/dagastine/entry/sun_java_se_and_sun
Java (as used in the benchmarks shown, anyway) does well on the T2000.
You might want to try a Google query like
tuning t2000 tomcat site:sun.com
and look around a bit; there should be some useful tidbits.
Specifically, check out the cooltools and coolstack site:
http://cooltools.sunsource.net/
http://cooltools.sunsource.net/coolstack/
One other thing: if you get into logical domains (multiple instances of Solaris
on
the system at one time), I think I saw something to the effect that they should
be allocated whole cores worth of threads (multiple of 4) each for best results.
That's correct.
Haik
Maybe someone that's actually had their hands on one will speak up...
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