Concurrency vs Parallelism — A Deep Technical Guide
Jan 13 · 6 min read · Concurrency and parallelism are fundamental concepts in modern system design. Although often used interchangeably, they solve different problems and operate at different layers. Understanding them is critical for building scalable, high-performance s...
Join discussionConcurrency in Python
Dec 26, 2025 · 18 min read · Python’s concurrency tools let you optimize programs by running tasks in overlapping periods—great for cutting down wait times in I/O-heavy work and taking advantage of multiple CPU cores for compute-intensive tasks. In this article, I’m focusing on ...
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Parallelism in Swift Concurrency with async let
Nov 17, 2025 · 3 min read · https://www.youtube.com/watch?v=vRT_vNmoRQU The Bottleneck of Sequential await In Swift's structured concurrency, the await keyword is used to pause the execution of the current task until the asynchronous function it calls returns a result. While ...
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Concurrency is not Parallelism
Oct 26, 2025 · 3 min read · We - as a developers - love to talk about “running things at once” - but not everyone means the same thing. Some chase speed, others chase structure, and that’s where the confusion starts. Parallelism makes it faster. Concurrency makest it work. Par...
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Concurrency vs Parallelism: How Modern Systems Handle Thousands of API Requests
Oct 21, 2025 · 2 min read · 1. Introduction Brief definition of concurrency and parallelism. Importance in modern computing (web servers, APIs, cloud systems). How does Netflix stream to millions or Twitter handle millions of tweets instantly? 2. Concurrency vs Parallelis...
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Day 4: Cluster vs Worker Threads in Node.js - How to Scale & Parallelize Your Apps
Sep 4, 2025 · 4 min read · Hello Folks! 👋 Ever wondered how Node.js, being single-threaded, manages to handle thousands of concurrent requests without breaking a sweat? The secret lies in its event-driven, non-blocking I/O model. But what happens when your application needs t...
Join discussionHow the Node.js Event Loop Works
Sep 3, 2025 · 10 min read · The Node.js event loop is a concept that may seem difficult to understand at first. But as with any seemingly complex subject, the best way to understand it is often through an analogy. In this article, you’ll learn how overworked managers, busy wait...
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How Concurrency Differs from Parallelism in Today’s Computing
Aug 22, 2025 · 16 min read · Concurrency and parallelism often create confusion in modern computing. Imagine a chef preparing several dishes by switching between tasks; this resembles concurrency, where systems handle multiple jobs by rapidly alternating between them. In contras...
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Multithreading and parallel processing
Aug 21, 2025 · 1 min read · A ForkJoinPool manages the execution of ForkJoinTasks. ForkJoinTask is an abstract class that is extended by the abstract classes RecursiveAction and RecursiveTask. Typically, your code will extend these classes to create a task.
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