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picoJava
open-in-new
<p>picoJava is a <a href="/facts/Microprocessor/Fx9CaQht">microprocessor</a> specification dedicated to <a href="/facts/Native_code/bgdQ1Fxf">native execution</a> of <a href="/facts/Java_bytecode/Nh1qKH4y">Java bytecode</a> without the need for an <a href="/facts/Interpreter_(computing)/JB85fbyb">interpreter</a> or <a href="/facts/Just-in-time_compilation/rEYDsd8l">just-in-time compilation</a>. The aim is to speed bytecode execution up by up to 20 times, compared to standard Intel <a href="/facts/Central_processing_unit/Jxp1bqMV">CPU</a> with a <a href="/facts/Java_virtual_machine/l9Nzrsun">Java virtual machine</a>. <a href="/facts/GNU_Compiler_Collection/t07jh01k">GNU Compiler Collection</a> added picoJava support in 1999 as machine definition 'pj,'. The open-source version of picoJava has been implemented in an <a href="/facts/FPGA/M8LSGcAU">FPGA</a>. </p>