Jump to content

Java processor

From Wikipedia, the free encyclopedia
This is an old revision of this page, as edited by Rmontrose (talk | contribs) at 01:08, 9 May 2014 (URL updated for AVIDdirector product using Java processor). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

A Java processor is the implementation of the Java Virtual Machine (JVM) in hardware. In other words the bytecodes that make up the instruction set of the abstract machine become the instruction set of a concrete machine.

Implementations

Up to now the following Java processors are available:

  • picoJava was the first attempt by Sun Microsystems to build a Java processor
  • aJ102 and aJ200 from aJile Systems, Inc.. Available on boards from Systronix
  • Cjip from Imsys Technologies. Available on boards and with wireless radios from AVIDwireless[1]
  • Komodo is a multithreaded Java microcontroller for research on real-time scheduling
  • FemtoJava is a research project to build an application specific Java processor
  • ARM926EJ-S is an ARM processor able to run Java bytecode, this technology being named Jazelle
  • Java Optimized Processor[2] for FPGAs. A PhD thesis is available
  • SHAP bytecode processor from the TU Dresden
  • jHISC[3] provides hardware support for object-oriented functions
  • ObjectCore is a multicore Java processor designed by Vivaja Technologies.
  • Java Offload Engine (JOE) is a high performance Java co-processor from Temple Computing Labs LLP.

References

  1. ^ "Imsys hedges bets on Java: rewritable-microcode chip has instruction sets for Java, Forth, C/C++"] by Tom R. Halfhill [1]
  2. ^ Attention: This template ({{cite doi}}) is deprecated. To cite the publication identified by doi:10.1016/j.sysarc.2007.06.001, please use {{cite journal}} (if it was published in a bona fide academic journal, otherwise {{cite report}} with |doi=10.1016/j.sysarc.2007.06.001 instead.
  3. ^ Attention: This template ({{cite doi}}) is deprecated. To cite the publication identified by doi:10.1016/j.micpro.2005.12.007, please use {{cite journal}} (if it was published in a bona fide academic journal, otherwise {{cite report}} with |doi=10.1016/j.micpro.2005.12.007 instead.