alighasami
3d5eaf9445
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28 lines
716 B
TypeScript
28 lines
716 B
TypeScript
import { setFlagsFromString } from 'v8';
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import { runInNewContext } from 'vm';
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export const runGarbageCollector = () => {
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try {
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setFlagsFromString('--expose_gc');
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const gc = runInNewContext('gc'); // nocommit
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gc();
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} catch (error) {
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console.error(error);
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}
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};
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export const generateGarbageMemory = (sizeInMB: number, onHeap = true) => {
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const divider = onHeap ? 8 : 1;
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const size = Math.max(1, Math.floor((sizeInMB * 1024 * 1024) / divider));
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if (onHeap) {
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// arrays are allocated on the heap
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// size in this case is only an approximation...
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const array = Array(size);
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array.fill(0);
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} else {
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const array = new Uint8Array(size);
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array.fill(0);
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}
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return { ...process.memoryUsage() };
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};
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