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  2. JAVA400-L
  3. January 2005

RE: iSeries JVM version

I'm not certain, Don.  Remember, I'm extrapolating entirely from one
single set of numbers, and making judgments from that little information
is fraught with peril to begin with.  Plus, I'm comparing an i5 595 in
late 2003 to a model 840 iSeries in mid-2000, so you can expect any
number of hardware and software enhancements that helped the numbers.

But the results are clear.  The number for a 24-way 840-2420 running
AS/400 JDK 1.3.0 was 79316 (and that was actually a little SLOWER than
the 80348 figure for JDK 1.2.2 on the same machine), while the number
for a 32-core (16 CPU) i5 595 on IBM JDK 1.4.2 was 880263, about 11
times faster.

Joe

> From: Don
> 
> Joe,
> 
> is there any reason for the performance delta???

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