A Possibly Interesting Link

Alan Kay alan.kay at squeakland.org
Thu Apr 6 12:12:01 UTC 2006


Hi Andreas --

Yes, Java doesn't want to quit and tries to take over the machine.

Cheers,

Alan

At 01:39 AM 4/6/2006, Andreas Raab wrote:
>Avi Bryant wrote:
>>>SqueakOnJava:     2,390,914 bytecodes/sec;   125,697 sends/sec
>>>SqueakOnC:      201,892,744 bytecodes/sec; 2,210,621 sends/sec
>>>
>>>That's about 1/100 of the regular VM.
>>Nah, it's just that I was looking at sends/sec and you're looking at 
>>bytecodes/sec... (though you've got a 20x diff there where I had 10x).
>
>Actually, my benchmarks are totally off (I was just wondering if I had 
>screwed up my last built because the SqueakOnC numbers don't match up). I 
>noticed a horrible slowdown of my machine and checking it showed that the 
>JVM was happily taking 100% of my CPU (actually *two* JVMs both taking 
>50%). It looks as if quitting via the window close button keeps the JVM 
>happily running in the background.
>
>So here we go again:
>
>SqueakOnJava:   5,509,641 bytecodes/sec;   324,946 sends/sec
>SqueakOnC:    203,013,481 bytecodes/sec; 5,797,002 sends/sec
>
>So that's between a factor of 20 (sends) and 50 (bytecodes). Not bad. Not 
>bad at all.
>
>Cheers,
>   - Andreas





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