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A Methodology for Fine- Grained Parallelism in JavaScript ...

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Go Faster with <strong>Parallelism</strong><br />

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<strong>JavaScript</strong> does not support parallelism<br />

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Lots of concurrent programm<strong>in</strong>g models <strong>in</strong> use<br />

Various multi-threaded implementations<br />

WebWorkers<br />

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Com<strong>in</strong>g soon, threads with asynchronous message pass<strong>in</strong>g<br />

WebCL<br />

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Com<strong>in</strong>g soon, OpenCL <strong>for</strong> <strong>JavaScript</strong><br />

Other proposals from the Server Side <strong>JavaScript</strong> community<br />

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Sync and lock – JVM semantics<br />

Fork – as <strong>in</strong> <strong>for</strong>k a new process<br />

None of these are appeal<strong>in</strong>g <strong>for</strong> f<strong>in</strong>e-gra<strong>in</strong>ed parallelism<br />

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<strong>F<strong>in</strong>e</strong>-gra<strong>in</strong>ed parallelism == loop or procedure level<br />

Too low level or too heavy weight

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