The latest articles on DEV Community by Ashraf Hossain (@ashraf_hossain_69c0b66d97). https://dev.to/ashraf_hossain_69c0b66d97 https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F3578750%2F31d6783e-e61d-41c2-8ff4-b0db6a97e375.png https://dev.to/ashraf_hossain_69c0b66d97 en Ashraf Hossain Wed, 22 Oct 2025 16:14:00 +0000 https://dev.to/ashraf_hossain_69c0b66d97/why-this-simple-golang-process-uses-4-threads-83f https://dev.to/ashraf_hossain_69c0b66d97/why-this-simple-golang-process-uses-4-threads-83f <p>Exploring Threads in C vs Go — A Curious Experiment 🧵</p> <p>Recently, I was experimenting with C and Go, and something interesting caught my eye. I wanted to see how many threads each language uses when running a simple program.</p> <p>So, I wrote two nearly identical programs — one in C and one in Go — compiled and ran them. To my surprise, the C program used only 1 thread, while the Go program spun up 4 threads, even though their logic was exactly the same!</p> <p>Here’s what I found and how I tested it 👇</p> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fnhfqo3vpr5944petewmr.png" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fnhfqo3vpr5944petewmr.png" alt=" " width="713" height="301"></a></p> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fysodg67pj89wi7lcxq85.png" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fysodg67pj89wi7lcxq85.png" alt=" " width="800" height="79"></a></p> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fvxahwza3q2gklxeey8m4.png" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fvxahwza3q2gklxeey8m4.png" alt=" " width="624" height="380"></a></p> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fgvyjgmuguolg5goq0x7v.png" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fgvyjgmuguolg5goq0x7v.png" alt=" " width="800" height="167"></a></p> <p><a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2F51pfzgox9o2179x0xodc.png" class="article-body-image-wrapper"><img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2F51pfzgox9o2179x0xodc.png" alt=" " width="800" height="346"></a></p> programming go c