THE VIDEO SHELF · fast json parsing
Parsing JSON Really Quickly: Lessons Learned
Daniel Lemire's QCon talk on how simdjson parses gigabytes of JSON per second. It covers SIMD vectorization, branch prediction and the lessons learned building a fast parser.
Why HN readers recommended it
HN points to it as the best explanation of simdjson internals and of why fast parsing is rarely disk-bound.
This is a summary from the source dataset, not an endorsement by Hacker News or the video creator.
Video & recommendation details
- Creator / channel
- InfoQ
- Topic
- fast json parsing
- Format
- talk
- Level
- advanced
- HN recommenders in dataset
- 3
- HN mentions in dataset
- 5
- Recommendation years in dataset
- 2020–2026
These counts and years describe the included Hacker News records; they are not YouTube views or the video’s publication date.
From the original HN conversations
Excerpts from the recorded comments. Follow each source for the full comment and surrounding discussion.
I can relate. I have been one of those who started writing a CSV library and went down the rabbit hole of edge cases and configurability. Looking back (and only thinking on productivity) my time would have been better spent doing something else. I did, …
dehesa on Hacker News · 2020-05
In So you want to write your own CSV code (2014)I find these optimizations fascinating. Anyone familiar with Lemire likely knows about this, but I listened to a podcast episode[1] with him a few days ago and learned about `simdjson`, the tool he authored that parses JSON at 25x the speed of the standard C++ …
Rendello on Hacker News · 2021-10
In Word-Aligned Bloom FiltersDaniel Lemire has an interesting talk on this: [VIDEO] . They key takeaway is that the disk is rarely the bottleneck.
D4ckard on Hacker News · 2024-01
In The One Billion Row Challenge
Summaries, classifications and recommendation records are from the HackerTube source dataset. Read about this library and its limitations.