By the way, does anybody know if Apple intends to release a version of
the Hotspot server compiler?
I've searched all over for any information about this and haven't been
able to find anything...
For CPU intensive tasks, on Intel machines, the hotspot server
compiler produces code that is 2 to 3
times faster than the client compiler. Also the client compiler seems
to have better optimizations on
Intel than on Power PC (the same program is about 30% faster on a 1
Ghz Duron than on a 1 Ghz G4).
Overall I am quite happy with Apple's Java implementation, and it fast
enough for at least 90-95% of
the stuff I do. I just would like to be able to do the remaining 5-10%
on a Mac :)
On Sep 27, 2004, at 4:00 PM, email@hidden wrote:
On Mon, 27 Sep 2004, Cyrill Rüttimann wrote:
Anyone can comment the performance boost one will get while upgrading
from a dual G4 533 to a Dual G5 2Ghz regarding Java?
I recently upgraded from a single processor 800 MHz G4 to a dual
1.8
GHz G5. I've seen a 3-4x speedup on my Java tests. That's with a
non-multithreaded computation (so the second processor should be
making
very little difference). It's a fairly memory intensive task, so the
G5's
much faster bus is probably helping a lot. And it doesn't use any
longs
at all, which can be much faster on a G5 than a G4.
Anyway, you can take that as one data point. Other programs may
see
very different effects on speed.
Peter
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