50 lines
1.3 KiB
TypeScript
50 lines
1.3 KiB
TypeScript
/**
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* @author Martin Karkowski
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* @email m.karkowski@zema.de
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* @create date 2020-08-25 16:18:36
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* @modify date 2020-11-10 09:39:14
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* @desc [description]
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*/
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import { Logger } from 'winston';
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import { exportFunctionToDispatcher } from '../../lib/decorators/dispatcherDecorators';
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import { getNopeLogger } from '../../lib/logger/getLogger';
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export function now() {
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const _hr = process.hrtime();
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return _hr[0] * 1000 + _hr[1] / 1000 / 1000;
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}
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/**
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* Function to Generate a Benchmark-Function
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* @param displayQpsAfter
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* @param textToDisplay
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*/
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export const generateBenchmarkFunction = exportFunctionToDispatcher((displayQpsAfter: number, textToDisplay: string, logger?: Logger): () => void => {
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let _counter = 0;
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let _startTime = now();
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const max = displayQpsAfter;
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const _logger = logger !== undefined ? logger : getNopeLogger('algorithmen.benchmark')
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return () => {
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if (_counter === 1) {
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_startTime = now();
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} else if (_counter === max) {
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const _endTime = now();
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const _timeDifference = _endTime - _startTime;
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const _qps = max / (_timeDifference / 1000);
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// Show the QPS:
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_logger.info(textToDisplay + ' QPS: ' + (Math.round(_qps * 100) / 100).toString() + ' [Calls/Sec]');
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// Reset the Counter
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_counter = 0;
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}
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_counter++;
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};
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}, {
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id: 'generateBenchmarkFunction'
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}); |