test: add new benchmark

salesforce · Jun 30, 2021 · deabb6c · deabb6c
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diff --git a/packages/perf-benchmarks-components/src/benchmark/expensiveGetter/expensiveGetter.html b/packages/perf-benchmarks-components/src/benchmark/expensiveGetter/expensiveGetter.html
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+<template>
+  <div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+    <div>{bigPrimeNumber}</div>
+  </div>
+</template>
diff --git a/packages/perf-benchmarks-components/src/benchmark/expensiveGetter/expensiveGetter.js b/packages/perf-benchmarks-components/src/benchmark/expensiveGetter/expensiveGetter.js
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+/*
+ * Copyright (c) 2018, salesforce.com, inc.
+ * All rights reserved.
+ * SPDX-License-Identifier: MIT
+ * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
+ */
+import { LightningElement, api } from 'lwc';
+
+const isPrime = (n) => {
+    const limit = Math.sqrt(n);
+    for (let i = 2; i <= limit; i++) {
+        if (n % i === 0) return false;
+    }
+    return true;
+};
+
+export default class ExpensiveGetter extends LightningElement {
+    @api
+    get bigPrimeNumber() {
+        let prime = 0;
+        for (let i = 0; i < 10000; i++) {
+            if (isPrime(i)) {
+                prime = i;
+            }
+        }
+        return prime;
+    }
+}
diff --git a/...-benchmarks/src/__benchmarks__/engine-dom/benchmark-general/expensive-getter.benchmark.js b/...-benchmarks/src/__benchmarks__/engine-dom/benchmark-general/expensive-getter.benchmark.js
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+/*
+ * Copyright (c) 2018, salesforce.com, inc.
+ * All rights reserved.
+ * SPDX-License-Identifier: MIT
+ * For full license text, see the LICENSE file in the repo root or https://opensource.org/licenses/MIT
+ */
+
+import { createElement } from 'lwc';
+
+import ExpensiveGetter from 'perf-benchmarks-components/dist/dom/benchmark/expensiveGetter/expensiveGetter.js';
+import { insertComponent, destroyComponent } from '../../../utils/utils.js';
+
+benchmark(`benchmark-table/append/1k`, () => {
+    let element;
+
+    before(async () => {
+        element = createElement('expensive-getter', { is: ExpensiveGetter });
+    });
+
+    run(async () => {
+        await insertComponent(element);
+    });
+
+    after(() => {
+        destroyComponent(element);
+    });
+});