Submission timeline
2007–2026One slot for every year since HN launched. Height is that year's peak points; orange marks a 100+ point or 50+ comment breakout. Select a bar to open its strongest thread.
First comments on top threads
HN comment orderVery nice. Regarding the comments about complexity of existing formats - I agree, with the exception of PNG. In terms of complexity, QOI is very similar to PNG filtering phases, i.e. when you strip primary compression phase (Huffman coding) from PNG. Also, I admire how the author combined a lot of common and cool tricks into QOI: - Block tags form a sort of a prefix code, making it easy to differentiate block types with differing sizes - Look-back array…
The first top-level comment from each of the four biggest threads, in HN’s own order. Excerpts are shortened; open a comment for full context.
- Breakout years
- 2
- Total points
- 1167
- Total comments
- 324
100+ points or 50+ comments
reference only — not used in Hall rules or ranking
reference only — not used in Hall rules or ranking
Every submission
| Date | Title as submitted | By | Points | Comments |
|---|---|---|---|---|
| 2021-11-24 | QOI: Lossless Image Compression in O(n) TimeFirst breakout · Best thread | Ragnarork | 1057 | 293 |
| 2023-04-05 | Lossless Image Compression in O(n) Time (2021)Latest 20+ point return | marcodiego | 107 | 31 |
| 2024-10-21 | Lossless Image Compression in O(n) Time (2021) | akkartik | 3 | 0 |