Linked by Michael Klein on Sat 5th Jun 2004 06:48 UTC
This was a letter I recently wrote to Sun's head of global communications, Russ Castronovo, after reading his interview with Chuck Talk on orangecrate.com, and then reading the ongoing pro-/anti-Mono arguments over at PlanetGnome. Now that Sun seems to be on the brink of making the decision to open-source Java (or not to), I thought it would be an appropriate time to take action.
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There is nothing current published out there. Mind you, the license of Sun's JVM prohibts you from publishing such information anyway. Anecdotal evidence suggests that free runtimes can be a few thousand times faster than the JDK on specific tasks, but they can also be a few times slower. So it depends a lot on the task at hand atm.
Feel free to join in the fun and help us make Kaffe, Classpath and gcj faster. My plan for the future is a mixed mode engine for Kaffe which uses gcj-ed class library, state of the art interpreters, quick jitters, and again gcj for the hottest code. gcj hackers are working on a binary ABI for gcj, and I'm slowly dragging Kaffe towards using GNU Classpath, so that the transition will be easier.
We'd need more volutneers for that to happen sooner
There is nothing current published out there. Mind you, the license of Sun's JVM prohibts you from publishing such information anyway. Anecdotal evidence suggests that free runtimes can be a few thousand times faster than the JDK on specific tasks, but they can also be a few times slower. So it depends a lot on the task at hand atm.

Feel free to join in the fun and help us make Kaffe, Classpath and gcj faster. My plan for the future is a mixed mode engine for Kaffe which uses gcj-ed class library, state of the art interpreters, quick jitters, and again gcj for the hottest code. gcj hackers are working on a binary ABI for gcj, and I'm slowly dragging Kaffe towards using GNU Classpath, so that the transition will be easier.
We'd need more volutneers for that to happen sooner