Coding Confessions
blog.codingconfessions.com · Personal blog · on HN since 2024
Coding Confessions is a newsletter on systems internals, CPU architecture, Python performance, and Unix history.
What HN saysHN links it for deep dives such as how Unix spell ran in 64kb of RAM and compiling Python to run anywhere.
34HN people shared it
2linked it in comments
69stories submitted
1.8Kstory points
3 months agolast shared
2024people per year2026
Most-shared posts
- 1How Unix spell ran in 64kb RAM5 people · 264 points · first shared 2025 · 51 comments on HN
- 2Disillusioning the Magic of the Fork System Call4 people · 39 points · first shared 2024 · 1 comments on HN
- 3Python Compares Floats and Ints: When Equals Isn't Equal4 people · 15 points · first shared 2024 · discussion on HN
- 4Hardware-Aware Coding: CPU Architecture Concepts Every Developer Should Know4 people · 15 points · first shared 2025 · 1 comments on HN
- 5Python Performance: Why 'if not list' is 2x Faster Than Using len()4 people · 14 points · first shared 2025 · 2 comments on HN
- 6Compiling Python to Run Anywhere4 people · 8 points · first shared 2025 · 1 comments on HN
- 7How simultaneous multithreading works under the hood3 people · 350 points · first shared 2024 · 129 comments on HN
- 8What Makes System Calls Expensive: A Linux Internals Deep Dive3 people · 82 points · first shared 2025 · 10 comments on HN
- 9A Software Engineer's Guide to Reading Research Papers3 people · 29 points · first shared 2025 · 4 comments on HN
- 10An Unreachable Hidden Xkcd Easter Egg Inside CPython3 people · 11 points · first shared 2024 · discussion on HN
- 11A Selective Survey of Efficient Speculative Decoding Techniques for LLM Inferen3 people · 11 points · first shared 2024 · discussion on HN
- 12The CAP theorem of Clustering: Why Every Algorithm Must Sacrifice Something2 people · 211 points · first shared 2024 · 21 comments on HN
- 13CPython's Garbage Collector and Its Impact on Application Performance2 people · 20 points · first shared 2024 · discussion on HN
- 14CPython Runtime Internals: Key Data Structures and Runtime Bootstrapping2 people · 9 points · first shared 2024 · discussion on HN
- 15One Law to Rule All Code Optimizations2 people · 4 points · first shared 2025 · discussion on HN
What HN people wrote when they linked it
olokobayusuf · 2025-10-07
We should collab! We prefer to be the underlying infrastructure behind the scenes, and have a pretty holistic approach towards hardware coverage and performance optimization.
Read more:
- https://blog.codingconfessions.com/p/compiling-python-to-run-anywhere - https://docs.muna.ai/predictors/ai#inference-backends