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:

  • Does C compile faster than C++?

    Posted on August 13, 2025

    I recently found myself wondering whether it is faster to compile C than C++. On some level, the answer to this is an obvious “yes”: You can’t accidentally summon cthulhu SFINAE-thulhu in your C code, for example. [Read More]

  • Vector types and debug performance

    Posted on August 7, 2025

    For reasons, I have found myself writing a vector math library. Like Aras some time ago I’ve found an unpleasant surprise when looking at the debug performance of some vector types. [Read More]

  • How to speed up random memory accesses

    Posted on July 28, 2025

    At some point when optimizing software, you are left with a soup of pointers that you just have to dereference, even though you know that you are going to suffer a cache miss for every single read. Common knowledge suggests that you just should not read from random pointers in... [Read More]

  • How to iterate over section data in C++

    Posted on July 14, 2025

    Last time, we looked at callbacks you can directly embed into your binaries on Windows that are then called for every thread on start/end. The runtime is using this to initialize thread-locals that require more than just memcpy. Today, we are going to look at a mechanism that can be... [Read More]