Hi there!

You have found my personal website.

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

Choose your adventure:

  • Getting stack traces for SEH exceptions

    Posted on November 19, 2024

    I wanted to leave a note about SEH exceptions (MSDN) and getting callstacks because when I first saw it, the behavior really tripped me up. For the uninitiated: On Windows, there is a built-in mechanism to handle faults like access faults (e.g. accessing a bad pointer). It goes by the... [Read More]

  • Improving Unity's shader graph performance

    Posted on November 17, 2024

    A tech artist came to me and said “whenever we touch anything in a Unity shader graph, the editor stalls. It’s painfully annoying.” And yes, any meaningful change to the graph stalls the editor. Sometimes a bit, sometimes long. So I decided to improve this a bit. Time-boxed to two... [Read More]
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  • A word on using modern C# in Unity

    Posted on November 12, 2024

    I want to talk about why Unity C# code is different. This is about editor performance, with nullable types as an example. There’s some JSON parsing happening, which someone wants faster. (It has to be a JSON parser.) A significant portion here goes into peeking chars. “OK, that’s where I/O... [Read More]
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  • How to enable the Windows Segment Heap

    Posted on November 5, 2024

    If you have profiled Windows applications for any length of time, you will know that multi-threaded workloads on Windows often end up contending over some lock in the default Windows allocator. In the screenshot below (from the awesome Superluminal profiler), you can see that in the top right there are... [Read More]