Marek Fišer

My development machine was getting unstable and our tests kept failing with errors that should never happen. It turned out to be my Intel Core i9-13900K, degraded by the Vmin Shift Instability. This post describes how I finally caught the fault with a stress test, found out that Intel had extended the warranty to 5…

Popular posts: 1
Total points: 279
HN comments: 181
Rank: #9,538 personal

Visit marekfiser.com → RSS feedOn Hacker News Dec 2025 – Dec 2025

Software Engineering 1 Games & Graphics 1

Most points Most discussed Most cited Newest

Unity's Mono problem: C# code runs slower than it should

2025279 points181 comments Software Engineering details

Execution of C# code in Unity's Mono runtime is slow by today's standards, much slower than you might expect! Our game runs 2-3x faster on modern .NET compared to Unity's Mono, and in a few small benchmarks I measured speedups of up to 15x. I've spent some time investigating what's going on and in this article I will…