assertthat/build/benchmark/util/runAveragedBenchmark.js

assertthat provides fluent TDD.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.runAveragedBenchmark = void 0;
const measure_time_1 = require("measure-time");
const runAveragedBenchmark = async function ({ benchmark, scale, howManyTimes }) {
    var _a, _b;
    const results = [];
    for (let i = 0; i < howManyTimes; i++) {
        // eslint-disable-next-line no-console
        console.log(`    Average run ${i}`);
        await ((_a = benchmark.setup) === null || _a === void 0 ? void 0 : _a.call(benchmark, { scale }));
        const getMeasuredTime = (0, measure_time_1.measureTime)();
        await benchmark.benchmark({ scale });
        const times = getMeasuredTime();
        await ((_b = benchmark.teardown) === null || _b === void 0 ? void 0 : _b.call(benchmark, { scale }));
        results.push(times.millisecondsTotal);
    }
    const averageTime = results.reduce((acc, next) => acc + next, 0) / results.length, deviation = results.reduce((maxDeviation, next) => {
        const currentDeviation = (next / averageTime) - 1;
        if (Math.abs(currentDeviation) > Math.abs(maxDeviation)) {
            return currentDeviation;
        }
        return maxDeviation;
    }, 0);
    return {
        averageTime,
        deviation
    };
};
exports.runAveragedBenchmark = runAveragedBenchmark;