mirror of https://github.com/nodejs/node.git
47 lines
1.1 KiB
JavaScript
47 lines
1.1 KiB
JavaScript
'use strict';
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const common = require('../common.js');
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const { AsyncLocalStorage } = require('async_hooks');
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/**
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* This benchmark verifies the performance of
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* `AsyncLocalStorage.getStore()` on multiple `AsyncLocalStorage` instances
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* nested `AsyncLocalStorage.run()`s.
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*
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* - AsyncLocalStorage1.run()
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* - AsyncLocalStorage2.run()
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* ...
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* - AsyncLocalStorageN.run()
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* - AsyncLocalStorage1.getStore()
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*/
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const bench = common.createBenchmark(main, {
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storageCount: [1, 10, 100],
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n: [1e4],
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});
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function runBenchmark(store, n) {
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for (let idx = 0; idx < n; idx++) {
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store.getStore();
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}
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}
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function runStores(stores, value, cb, idx = 0) {
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if (idx === stores.length) {
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cb();
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} else {
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stores[idx].run(value, () => {
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runStores(stores, value, cb, idx + 1);
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});
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}
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}
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function main({ n, storageCount }) {
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const stores = new Array(storageCount).fill(0).map(() => new AsyncLocalStorage());
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const contextValue = {};
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runStores(stores, contextValue, () => {
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bench.start();
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runBenchmark(stores[0], n);
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bench.end(n);
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});
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}
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