Top all-time · #11876
Reiner Pope
Personal blog · reiner.orgaisystems
Reiner Pope writes Reiner’s webpage and articles., a personal blog at reiner.org about ai and systems. Since 2025, 6 different Hacker News readers have linked it 7 times, most often “Why are neural networks and cryptographic ciphers so similar?”. No feed was found, so read it on the site itself.
Too few sampled comments (3) to say how often HN recommends it.?
Why HN links it
Linked by HN commenters as related reading: a post on why neural networks and cryptographic ciphers are similar, and a post on cuckoo hashing that inspired a Rust hashmap library.
Summarised by Claude from a sample of 3 HN comments that link here. Each comment is marked recommending, critical or neutral (citing without judging); how this works.
Reiner’s webpage and articles.
Most-linked posts?
- Why are neural networks and cryptographic ciphers so similar?3 people · 4 mentions · first linked 2025-06-12
- Cuckoo hashing improves SIMD hash tables (and other hash table tradeoffs)2 people · 2 mentions · first linked 2025-10-04
What Hacker News says?
Interesting comparison, thanks for sharing! It reminds me of this post about how machine learning and encryption have some fundamental similarities: https://reiner.org/neural-net-ciphers > I can certainly imagine LLMs taking a similar path. Maybe it's useful to think about what fundamental differences could contribute to LLMs taking a very different path. What comes to mind is the scaling hypothesis, implying that t…
Comment linking /neural-net-ciphers
on “Amazon CEO's Talks with U.S. Officials Triggered Crackdown on Anthropic Models”Submitted Hashed sorting is typically faster than hash tables as a story · 220 points
HN discussionRelated articles; re: rounds and layers: - "Why are neural networks and cryptographic ciphers so similar? (2025)" https://reiner.org/neural-net-ciphers .. https://news.ycombinator.com/item?id=47983467 - "Show HN: ResonanceNet – Proof-of-Training Blockchain" https://news.ycombinator.com/item?id=47386901 - "Cryptographic hashing as a transformer attention head" https://github.com/ffr1/unbounded-context-attention - 'Im…
Comment linking /neural-net-ciphers
on “Why are neural networks and cryptographic ciphers so similar?”Submitted Cuckoo hashing improves SIMD hash tables (and other hash table tradeoffs) as a story · 79 points
HN discussionHarrier is a Rust hashmap focused on very fast lookups with modern hash-table techniques. The library was inspired by Reiner Pope's https://reiner.org/cuckoo-hashing . We created a production-ready hashmap library out the SIMD-accelerated cuckoo hashing idea he proposes. Here are some things it uses: - SIMD control-byte probing (16-byte groups) - Two-choice cuckoo placement with BFS displacement on insert pressure -…
Comment linking /cuckoo-hashing
on “Harrier: A high-performance Rust hashmap using SIMD-accelerated cuckoo hashing”Submitted Why are neural networks and cryptographic ciphers so similar? as a story · 3 points
HN discussionSubmitted Why are neural networks and cryptographic ciphers so similar? as a story · 1 points
HN discussion
