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A comment on TSMC unveils 1.6nm process technology with backside power delivery. Parent comment

Re:TSMC unveils 1.6nm process technology with backside power... by robocat on Thursday April 25, 2024 @09:54PM (#40165129)
> Weren't they used in Java Cards?

Not sure: https://en.wikipedia.org/wiki/Java_processor doesn't seem to mention any in current use. I am ignorant of the actual correct answer: I had simply presumed it is simpler to write the virtual machine using a commercial ISA than to develop a custom ISA.

  Java Card bytecode run by the Java Card Virtual Machine is a functional subset of Java 2 bytecode run by a standard Java Virtual Machine but with a different encoding to optimize for size.
https://en.wikipedia.org/wiki/Java_Card_OpenPlatform has some history but nothing jumped out to answer your question.
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Re:TSMC unveils 1.6nm process technology with backside power... by greenavocado on Thursday April 25, 2024 @10:40PM (#40165422)
picoJava processors (Sun Microsystems) https://www.cnet.com/culture/sun-releases-complete-chip-desi...

Patriot Scientific's Ignite processor family https://www.cpushack.com/2013/03/02/chuck-moore-part-2-from-...

ARM Jazelle technology https://developer.arm.com/documentation/ddi0222/b/introducti...

https://www.eetimes.com/nazomi-offers-plug-in-java-accelerat...

It's all dot-com era stuff and Sun Microsystems also created a Java OS that could run directly on hardware without a host operating system.

That's about it

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