Top all-time · #16522
Ruminations of a Programmer
Personal blog · debasishg.github.io/blogprogrammingmath
Ruminations of a Programmer is a personal blog at debasishg.github.io about programming and math. Since 2026, 4 different Hacker News readers have linked it 4 times, most often “Push ifs up and fors down: The idiom, its algebra, and its limits”. It is still writing: the last post was on 2026-10-04, and you can follow it by feed.
Too few sampled comments (2) to say how often HN recommends it.?
Why HN links it
HN readers link this blog's posts on programming idioms, such as pushing ifs up and fors down, and on how functional code can get close to C performance. Comments cite the posts as references.
Summarised by Claude from a sample of 2 HN comments that link here. Each comment is marked recommending, critical or neutral (citing without judging); how this works.
Programming, some math and technical deep dives
Most-linked posts?
- Push ifs up and fors down: The idiom, its algebra, and its limits2 people · 2 mentions · first linked 2026-10-07
What Hacker News says?
You can have great abstractions on the upper levels that lower to fast primitives. See the articles [1] Push your "ifs" up and "fors' down and [2] Vectorized interpreters for more details. [1] https://debasishg.github.io/blog/push-ifs-up-fors-down/ [2] https://venge.net/graydon/talks/VectorizedInterpretersTalk-2...
Comment linking /blog/push-ifs-up-fors-down/
on “How close can pure functional programming get to C?”Submitted Push ifs up and fors down: The idiom, its algebra, and its limits as a story · 197 points
HN discussionThis particular blog post didn't really stand out to me as having a lot of Claudeisms, though there were some parts of it that definitely made me raise my eyebrow. Just little things here and there, and also near the end where the words "pay" and "cost" stand out a lot in the particular ways they were used. I was curious if this was just my own stupidity, just human pattern matching run amok. So I decided I'd go bac…
Comment linking /blog/pin-dyn/
on “Push ifs up and fors down: The idiom, its algebra, and its limits”Submitted Cache-Conscious Data Layout in Rust: Field Zoning, False Sharing, 128-Byte Rule as a story · 1 points
HN discussion