Top all-time · #6800
Jordi Villar
Personal blog · jordivillar.com/blogdataprogramming
Jordi Villar's personal blog at jordivillar.com covers data and programming. Since 2020, 12 different Hacker News readers have linked it 12 times, most often “Online gradient descent with SQL”. It is still writing: the last post was on 2026-10-05, and you can follow it by feed.
Too few sampled comments (1) to say how often HN recommends it.?
Why HN links it
HN commenters cite this blog's memory alignment post when discussing struct packing and data layout for performance. The comment cites it alongside Lemire's posts on alignment and misaligned dot products.
Summarised by Claude from a sample of 1 HN comments that link here. Each comment is marked recommending, critical or neutral (citing without judging); how this works.
Staff Software Engineer building distributed data systems
Most-linked posts?
- Online gradient descent with SQL2 people · 2 mentions · first linked 2023-04-10
- 64-Bit Misalignment2 people · 2 mentions · first linked 2025-11-19
- Am I Becoming Irrelevant?2 people · 2 mentions · first linked 2025-07-15
What Hacker News says?
It's small, but not unnoticeable... depending on the exact size of the workload and the amount of computation per element. In fact, for huge arrays it may be beneficial to have structs packed if that leads to less memory traffic. [0] https://jordivillar.com/blog/memory-alignment [1] https://lemire.me/blog/2012/05/31/data-alignment-for-speed-m... [2] https://lemire.me/blog/2025/07/14/dot-product-on-misaligned-...
Comment linking /blog/memory-alignment
on “Memory layout in Zig with formulas”Submitted Every Millisecond Counts as a story · 24 points
HN discussionSubmitted Am I Becoming Irrelevant? as a story · 8 points
HN discussionSubmitted Show HN: The Financial Status Template as a story · 8 points
HN discussionSubmitted How I Made $350k in Machine Learning Tournaments as a story · 5 points
HN discussionSubmitted 64-Bit Misalignment as a story · 4 points
HN discussionSubmitted Am I Becoming Irrelevant? as a story · 4 points
HN discussionSubmitted Nobody Talks About the Hardware as a story · 3 points
HN discussionSubmitted Trust AI, but Verify as a story · 3 points
HN discussionSubmitted Online gradient descent with SQL as a story · 3 points
HN discussionSubmitted SQL is all you need as a story · 2 points
HN discussionSubmitted SQL Is All You Need as a story · 1 points
HN discussion
