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:

  • How to use DbgHelp to download symbol files

    Posted on January 27, 2025

    I could not find a guide online for how to use DbgHelp to download symbols for a binary on disk on Windows. It seemed like a relatively obvious question, hence I decided to record the answer in the hopes that more people use this to write debugger-shaped software. We should... [Read More]

  • Stack-Walking and generated code

    Posted on January 24, 2025

    Last summer I looked at capturing callstacks (here and here) and ultimately landed on using RtlCaptureStackBackTrace. I had a short note saying that StackWalk64 was a slower alternative and that I had not found cases in which they disagreed. Now I have! [Read More]

  • Thread States in Superluminal and some Unity job system follow-up

    Posted on January 21, 2025

    I recently wrote a few words about the cost of job scheduling (The Whipping Boy Approach to Job Scheduling), this is a follow-up to that post. The motivation for this excursion into job scheduling performance was a report that a Unity project I am involved with scales very poorly with... [Read More]

  • Burst and zero cost

    Posted on January 18, 2025

    First of, let me apologize for the title. This is not about “zero cost” abstractions, but the title still holds. [Read More]

  • A curious access violation

    Posted on January 17, 2025

    Recently, while doing things I probably should not be doing in the first place, I ran into an access validation that really threw me off: 0xC0000005: Access violation reading location 0xFFFFFFFFFFFFFFFF [Read More]