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The Pseudo Random Bit Bucket
Personal blog · moinakg.wordpress.comprogrammingsystems
The Pseudo Random Bit Bucket is a personal blog at moinakg.wordpress.com about programming and systems. Since 2019, 5 different Hacker News readers have linked it 5 times, most often “Vectorizing XxHash for Fun and Profit”. The last post was in 2024, but the archive is still widely read.
Too few sampled comments (2) to say how often HN recommends it.?
Why HN links it
HN readers link this blog for technical writeups on content-defined chunking with rolling hashes and on vectorizing xxHash for high-performance hashing.
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.
Moinakg's Ramblings
Most-linked posts?
- Vectorizing XxHash for Fun and Profit3 people · 3 mentions · first linked 2019-03-15
- High Performance Content Defined Chunking (2013)2 people · 2 mentions · first linked 2022-01-10
What Hacker News says?
Right, exactly. Chunk boundaries are not determined by fixed size chunks, but rather when the rolling hash matches some prefix, which means chunk sizes will vary but by controlling the prefix can set the average size of the prefix. Besides the lbfs paper, another nice writeup here: https://moinakg.wordpress.com/2013/06/22/high-performance-co...
Comment linking /2013/06/22/high-performance-content-defined-chunking/
on “BitTorrent v2 (2020)”Submitted Vectorizing XxHash for Fun and Profit as a story · 3 points
HN discussionhttps://moinakg.wordpress.com/2013/01/19/vectorizing-xxhash-...
Comment linking /2013/01/19/vectorizing-xxhash-for-fun-and-profit/
on “XXH3 – a new speed-optimized hash algorithm”Submitted Vectorizing XxHash for Fun and Profit as a story · 2 points
HN discussionSubmitted High Performance Content Defined Chunking (2013) as a story · 2 points
HN discussion