Function main

packages/jest-worker/__benchmarks__/test.js:132–189

()

}

async function main() {
  if (!globalThis.gc) {
    throw new Error('GC not present, start with node --expose-gc');
  }

  const wFResults = [];
  const jWResults = [];

  for (let i = 0; i < iterations; i++) {
    console.log('-'.repeat(75));

    profile('worker farm');
    const wF = await testWorkerFarm();
    profileEnd('worker farm');
    await sleep(3000);
    globalThis.gc?.();

    profile('jest worker');
    const jW = await testJestWorker();
    profileEnd('jest worker');
    await sleep(3000);
    globalThis.gc?.();

    wFResults.push(wF);
    jWResults.push(jW);

    console.log('jest-worker:', jW);
    console.log('worker-farm:', wF);
  }

  let wFGT = 0;
  let wFPT = 0;
  let jWGT = 0;
  let jWPT = 0;

  for (let i = 0; i < iterations; i++) {
    wFGT += wFResults[i].globalTime;
    wFPT += wFResults[i].processingTime;

    jWGT += jWResults[i].globalTime;
    jWPT += jWResults[i].processingTime;
  }

  console.log('-'.repeat(75));
  console.log('total worker-farm:', {wFGT, wFPT});
  console.log('total jest-worker:', {jWGT, jWPT});

  console.log('-'.repeat(75));
  console.log(
    `% improvement over ${calls} calls (global time):`,
    (100 * (wFGT - jWGT)) / wFGT,
  );

  console.log(
    `% improvement over ${calls} calls (processing time):`,
    (100 * (wFPT - jWPT)) / wFPT,
  );
}