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Technology Stocks : All About Sun Microsystems
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To: bob who wrote (5774)11/21/1997 11:48:00 PM
From: gordon  Read Replies (1) of 64865
 
Bob, JavaChip has to implement Java instruction set (JVM) in silicon. LG's JavaChip should be PicoJava I core architechure if it will be shiped next month. In PicoJava I, those instructions that directly improve Java execution are implemented in hardware. Of those instructions not implemented directly in hardware, the ones deemed critical for system performance are executed through
microcode while the few remaining are trapped and emulated.
JavaOS is a layer between Java applications or Applets (of course they should be compiled to bytecodes first) and JavaChip, just like Windows is a layer between Windows applications and a Intel (or others) CPU. JavaOS stored in Chips is only for specific situation. for example, there are no hard disks on NC, a JavaChip stored with JavaOS is a proper way, but it could be expensive, any changes on JavaOS could result the obsolete JavaChips if you want to upgrade your JavaOS.

Cheers
Gordon Shen
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