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Submission + - Collaborative Map-Reduce in the Browser (

igrigorik writes: "The generality and simplicity of Google's Map-Reduce is what makes it such a powerful tool. However, what if instead of using proprietary protocols we could crowd-source the CPU power of millions of users online every day? Javascript is the most widely deployed language — every browser can run it — and we could use it to push the job to the client. Then, all we would need is a browser and an HTTP server to power our self-assembling supercomputer (proof of concept + code). After all, if all it took is opening a URL to join a compute job, then imagine the possibilities."
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Collaborative Map-Reduce in the Browser

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Real Programs don't use shared text. Otherwise, how can they use functions for scratch space after they are finished calling them?