Java CPU : Java Glossary


Java CPU
A CPU (Central Processing Unit) that runs the JVM (Java Virtual Machine) byte code directly in hardware or firmware. It does not require a software JVM. It have have software assist to handle some of the more complicated byte code instructions like new. Sun made Java silicon chips call PicoJava. It ran too hot, (took too much electricity) and the project was discontinued, though I think they took another run at it with the Picojava II. Over a dozen companies now make Java cpus for the embedded market. The advantage is compact code and high speed. Compact code is especially important in low-cost battery-powered devices.

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