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From: Booth Martin
Java performance on the i ? Good? Bad? OK?
I am being told that "Java on the i sucks." What is the proper response?


The best comparisons I've been able to come up with are the SPEC benchmarks from August-September 2008, which compares IBM i, AIX, and Linux running on 32 core Power servers. It appears to me that IBM i, AIX, and Linux offer quite comparable performance for Java, given comparable or equivalent hardware.

http://www.spec.org/jbb2005/results/jbb2005.html

The "Java on the i sucks" allegation seems to be a carry-over from the years that IBM scaled back CPU clock speeds on AS/400 servers in order to target CPW segments that their brilliant Marketing Managers had come up with.

Since all Power platforms are merged, it appears that they all offer comparable Java performance.

-Nathan.





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