Working multithreading...
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@ -10,27 +10,28 @@ export function initWorkers(threads) {
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for (const i in workerFarm) {
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const worker = workerFarm[i]
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worker.postMessage({
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type: 'setName',
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type: 'initWorker',
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name: `Worker ${parseInt(i) + 1}`
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})
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}
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}
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export function spread(threads, script, data, shouldEval) {
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return new Promise((resolve, reject) => {
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const worker = new Worker(
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script,
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{
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workerData: data,
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eval: shouldEval ?? false
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}
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)
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let spreadIndex = 0
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export function spread(script, data) {
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return new Promise(
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(resolve, reject) => {
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const worker = workerFarm[spreadIndex]
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worker.postMessage({
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type: 'runScript',
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script,
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data
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})
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worker.on('message', resolve)
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worker.on('error', reject)
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worker.on('exit', (code) => {
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if (code !== 0)
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reject(new Error(`Process stopped with code: ${code}`))
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})
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})
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worker.once('message', result => resolve(result))
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++spreadIndex
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if(spreadIndex >= workerFarm.length)
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spreadIndex = 0
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}
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)
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}
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@ -1,23 +1,29 @@
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import { workerData, parentPort } from 'worker_threads'
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import initLog from '../log.js'
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let nums = [1, 1]
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const log = initLog('Fibonacci')
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for (let i = 0; i < 42; i++) {
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nums.push(nums[nums.length - 2] + nums[nums.length - 1])
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}
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export function main(data) {
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return new Promise(
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(resolve, reject) => {
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let nums = [1, 1]
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for (let i = 0; i < 44; i++) {
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nums.push(nums[nums.length - 2] + nums[nums.length - 1])
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}
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let primes = []
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for (const num of nums) {
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let isPrime = true
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for (let i = 2; i < num / 2; ++i) {
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if (num % i === 0)
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isPrime = false
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}
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if (isPrime)
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primes.push(num)
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}
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let primes = []
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for (const num of nums) {
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let isPrime = true
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for (let i = 2; i < num / 2; ++i) {
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if (num % i === 0)
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isPrime = false
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}
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if (isPrime)
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primes.push(num)
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}
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console.log("DONE!")
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parentPort.postMessage(primes)
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resolve(primes)
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}
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)
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}
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@ -1,30 +1,37 @@
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import { workerData, parentPort } from 'worker_threads'
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import initLog from '../log.js'
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let script = ''
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let runScript = ''
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let myName = ''
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let log = initLog(myName)
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parentPort.on(
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'message',
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message => {
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async message => {
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switch (message.type) {
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case 'setName':
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case 'initWorker':
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myName = message.name
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log = initLog(myName)
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log(`Changed name to '${myName}'.`)
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process.env.DEBUG && log(`Started new thread -> «${myName}»`)
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break
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case 'setScript':
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script = message.script
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log = initLog(myName)
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log(`Changed name to '${myName}'.`)
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case 'runScript':
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runScript = message.script
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process.env.DEBUG && log(`Running script -> «${runScript}»`)
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import(runScript).then(
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script => script.main(message.data).then(
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result => {
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parentPort.postMessage(result)
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process.env.DEBUG && log(`Script done -> «${runScript}»`)
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}
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)
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)
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break
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default:
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log(`Invalid message -> ${message.type ?? 'No message type provided!'}`)
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break
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}
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}
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@ -1,3 +1,21 @@
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import { initWorkers, spread } from '../libs/utils/multithread.js'
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initWorkers(8)
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initWorkers(10)
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let processes = 20
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let ran = 0
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for (let i = 0; i < processes; ++i) {
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spread(
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'./fibonacci.js',
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{}
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).then(
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result => {
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console.log(i)
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++ran
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if (ran === processes) {
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process.exit(0)
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}
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}
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)
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}
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