Code Explainers

Code explainers tagged #thread-pool

ruby 
class ThumbnailPool
  def initialize(worker_count: 4, capacity: 100)
    @queue = SizedQueue.new(capacity)
    @running = true

A thread pool for thumbnail jobs in Ruby

concurrency thread-pool bounded-queue
Advanced 7 steps
rust 
use std::sync::atomic::{AtomicBool, Ordering};
use std::sync::Arc;
use std::thread;
use std::time::Duration;

Graceful thread shutdown with an atomic flag

concurrency atomics memory-ordering
Advanced 7 steps
ruby 
require "net/http"
require "json"
 
class UrlFetcher

A thread-pool URL fetcher in Ruby

concurrency thread-pool queues
Intermediate 8 steps
rust 
use std::sync::atomic::{AtomicUsize, Ordering};
use std::sync::Arc;
use std::thread;
 

A round-robin worker pool in Rust

concurrency thread-pool channels
Intermediate 7 steps
python 
import time
from concurrent.futures import ThreadPoolExecutor, as_completed
from pathlib import Path
 

Parallel file downloads with a thread pool

concurrency thread-pool streaming-io
Intermediate 8 steps
rust 
use std::collections::HashMap;
use std::sync::{Arc, Mutex};
use std::thread;
 

Aggregating metrics across threads in Rust

concurrency shared-state mutex
Intermediate 7 steps
java 
public class ThumbnailProcessor {
 
    private static final int MAX_CONCURRENCY = 4;
 

Bounded parallel thumbnail rendering in Java

concurrency thread-pool futures
Intermediate 7 steps
rust 
use std::sync::{mpsc, Arc, Mutex};
use std::thread;
use std::time::Duration;
 

Building a thread pool in Rust

concurrency channels thread-pool
Advanced 9 steps
java 
public class WorkPipeline {
    private final BlockingQueue<Task> queue = new LinkedBlockingQueue<>(1000);
    private static final Task POISON = new Task(-1, null);
    private final ExecutorService consumers = Executors.newFixedThreadPool(4);

A producer-consumer pipeline in Java

concurrency producer-consumer blocking-queue
Intermediate 8 steps