let arraySize = Math.ceil(sieveLimit / 32);

let sieve = new Uint32Array();

let minDuration = Infinity, maxDuration = 0, totalDuration = 0;

​

const workers = [];

const workerCount = 20;

let waitCount = workerCount;

​

​

function OnWorkerMessage(e)

{

  --waitCount;

  let currentDuration = parseFloat(e.data.Duration);

  totalDuration += currentDuration;

  if (currentDuration < minDuration)

    minDuration = currentDuration;

  if (currentDuration > maxDuration)

    maxDuration = currentDuration;

  print(`  Message from Worker ${e.data.ID} | Duration: ${currentDuration}`);

  print("    Also e: ", e.data, e.data.InitialData);

}

​

​

function WorkerSetup()

{

  print("SETUP");

  print(`  Workers:    ${workerCount}`);

  print(`  Array Size: ${arraySize} (supporting ${sieveLimit} integers)`);

  for (let i = 0; i < workerCount; ++i)

  {

    const worker = new Worker("SieveSetup.js?v=" + new Date().getTime());

    worker.onmessage = OnWorkerMessage;

    workers.push(worker);

  }

  for (let i = 0; i < workerCount; ++i)

  {

    const data =

    {

      ID: i,

      SieveLimit: sieveLimit,

    };

    workers[i].postMessage(data);

  }

}

​

​

function setup()

{

  createCanvas(400, 400);

  fill(255);

  noStroke();

  WorkerSetup();

  frameRate(60);

}

​

​

let loadingTimer = 0;

let loadingPeriod = 1;

let loadingRadius = 50;

​

function draw()

{

  background(20);

  if (waitCount > 0)

  {

    let angle = TAU * loadingTimer / loadingPeriod;

    let x = Math.cos(angle) * loadingRadius + width / 2;

    let y = Math.sin(angle) * loadingRadius + height / 2;

    circle(x, y, 20);

    loadingTimer = (loadingTimer + deltaTime / 1000) % loadingPeriod;

  }

  else

  {

    PrintResults();

    noLoop();

  }

}

​

​

function PrintResults()

{

  print("RESULTS");

  print(`  Total duration: ${Math.round(totalDuration)} ms`);

  print(`  Min: ${Math.round(minDuration)} ms`);

  print(`  Max: ${Math.round(maxDuration)} ms`);

  let avg = (totalDuration - (minDuration + maxDuration)) /

      (workerCount - 2);

  print(`  Avg: ${Math.round(avg)} ms`);

}

​