Hi there!

I am Sebastian Schöner, and you are most likely here because you enjoy programming as well.

Choose your adventure:

• read my blog via the archive, or just continue below
• follow me on Mastodon or Bluesky or maybe even LinkedIn
• get in touch with my consulting business kerntief AB
• send me an e-mail
• play some of my poorly explained puzzle games like Block Machine or Patterna

• bool4 and an unexpected new perspective

  Posted on March 31, 2025

  This blog post is 20 paragraphs exposition and 2 paragraphs punchline. It is a follow-up to my previous post on vectorization. I mentioned there that Unity’s math package implements bool4 like this: struct bool4 { [MarshalAs(U1)] public bool x; [MarshalAs(U1)] public bool y; [MarshalAs(U1)] public bool z; [MarshalAs(U1)] public bool... [Read More]

• Nobody cares about vectorization?

  Posted on March 25, 2025

  In a recent discussion around auto-vectorization someone suggested: “What if users could tell the compiler that they expect a loop to be vectorized?” We are in luck, that experiment has already been conducted. In particular, Unity’s Burst compiler has an intrinsic for that (see Burst docs). Put Loop.ExpectVectorized(); into a... [Read More]

• Should Unity be making games?

  Posted on March 21, 2025

  There is this general assumption that engines get better just by having the engine maker also use the engine to make games. I want to add some thoughts to that. [Read More]

• Yet another VS freeze

  Posted on March 13, 2025

  I have been waiting for Visual Studio 2022 to unfreeze for the last 30min, and now you get to read about it. [Read More]

• Not Obviously Bad, and Obviously Not Bad

  Posted on March 10, 2025

  Someone asked the other day what a reasonable performance target is for a general purpose engine. This is an interesting question, so let’s discuss it a bit. [Read More]

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