35 lines
985 B
TypeScript
35 lines
985 B
TypeScript
export function runBenchmark<T, R>({
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prepareTest,
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testRunner,
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runs = 100,
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id,
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}: {
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prepareTest: (i: number) => {input: T; resultCheck?: (result: R) => boolean};
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testRunner: (input: T) => R;
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runs?: number;
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id: string;
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}): void {
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const diffsNanoSec: bigint[] = [];
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for (let i = 0; i < runs; i++) {
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const {input, resultCheck} = prepareTest(i);
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const start = process.hrtime.bigint();
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const result = testRunner(input);
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const end = process.hrtime.bigint();
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if (resultCheck && !resultCheck(result)) throw Error("Result fails check test");
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diffsNanoSec.push(end - start);
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}
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const average = averageBigint(diffsNanoSec);
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const opsPerSec = 1e9 / Number(average);
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// eslint-disable-next-line no-console
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console.log(`${id}: ${opsPerSec.toPrecision(5)} ops/sec (${runs} runs)`); // ±1.74%
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}
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function averageBigint(arr: bigint[]): bigint {
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const total = arr.reduce((total, value) => total + value);
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return total / BigInt(arr.length);
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}
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