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chainsafe-bls/benchmark/runner.ts

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type PromiseOptional<T> = T | Promise<T>;
export async function runBenchmark<T, R>({
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prepareTest,
testRunner,
runs = 100,
id,
}: {
prepareTest: (i: number) => PromiseOptional<T>;
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testRunner: (input: T) => PromiseOptional<R>;
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runs?: number;
id: string;
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}): Promise<void> {
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const diffsNanoSec: bigint[] = [];
for (let i = 0; i < runs; i++) {
const input = await prepareTest(i);
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const start = process.hrtime.bigint();
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const result = await testRunner(input);
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const end = process.hrtime.bigint();
diffsNanoSec.push(end - start);
}
const average = averageBigint(diffsNanoSec);
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%
}
function averageBigint(arr: bigint[]): bigint {
const total = arr.reduce((total, value) => total + value);
return total / BigInt(arr.length);
}