worker_pool.js
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worker_pool.js
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class WorkerPool {↵
constructor(script, size = 4) {↵
this.workers = Array(size).fill().map(() => new Worker(script));↵
this.busy = new Set();↵
}↵
async exec(data) {↵
const worker = this.workers.find(w => !this.busy.has(w));↵
this.busy.add(worker);↵
return new Promise(r => {↵
worker.onmessage = e => {↵
this.busy.delete(worker);↵
r(e.data);↵
};↵
worker.postMessage(data);↵
});↵
}↵
}
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