OpenJDK vs OracleJVM: a look at Java performance under RedHat 6.3 with SPECjvm2008

Written by Gionatan Danti on . Posted in Linux & Unix

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SPECjvm2008 per-category scores

Will the detailed per-category scores depict a different picture? Let see.

SPECjvm2008 detailed score

This graph is more interesting, right?

We see that OpenJDK 1.6 basically lose its ground on two tests: serial and xml. On the other hand, the oldest OpenJDK implementation is the faster on startup benchmark. OpenJDK 1.7 is a decided step up from 1.6, but it remain somewhat slower than Oracle's latest and greatest 1.7 version.

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