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33 lines
951 B
TypeScript
33 lines
951 B
TypeScript
// Benchmark measures time it takes to start and stop a number of workers.
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const workerCount = 50;
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async function bench(): Promise<void> {
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const workers: Worker[] = [];
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for (let i = 1; i <= workerCount; ++i) {
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const worker = new Worker(
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new URL("subdir/bench_worker.ts", import.meta.url).href,
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{ type: "module" },
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);
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const promise = new Promise<void>((resolve): void => {
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worker.onmessage = (e): void => {
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if (e.data.cmdId === 0) resolve();
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};
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});
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worker.postMessage({ cmdId: 0, action: 2 });
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await promise;
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workers.push(worker);
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}
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console.log("Done creating workers closing workers!");
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for (const worker of workers) {
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const promise = new Promise<void>((resolve): void => {
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worker.onmessage = (e): void => {
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if (e.data.cmdId === 3) resolve();
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};
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});
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worker.postMessage({ action: 3 });
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await promise;
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}
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console.log("Finished!");
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}
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bench();
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