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PicoJava

Java processor created by Sun Microsystems From Wikipedia, the free encyclopedia

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picoJava is a microprocessor specification dedicated to native execution of Java bytecode without the need for an interpreter or just-in-time compilation. The aim is to speed bytecode execution up by up to 20 times, compared to standard Intel CPU with a Java virtual machine.[1] GNU Compiler Collection added picoJava support in 1999 as machine definition 'pj,'.[2] The open-source version of picoJava has been implemented in an FPGA.[3]

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Creation

Picojava was developed by Sun Microsystems, the first version of the specification was created in 1997[4]. This first version was never released as a product by Sun[4]. A redesign of Picojava in 1999 would give birth to Picojava-II, which is freely available and has a rich documentation.[5][6]

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