Top all-time · #11238
BitFlux
Company blog · bitflux.ai/blogsystemsaiprogramming
BitFlux is the company blog at bitflux.ai, writing about systems, ai and programming. Since 2025, 6 different Hacker News readers have linked it 7 times, most often “io_uring is faster than mmap”. 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 posts examine memory versus disk speed and file I/O, including mmap, page faults and io_uring. Comments cite or link them as sources for points about performance.
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.
Most-linked posts?
- io_uring is faster than mmap4 people · 4 mentions · first linked 2025-09-04
What Hacker News says?
In part 2 https://www.bitflux.ai/blog/memory-is-slow-part2/ the last diagram still shows that memory is faster than disk.
Comment linking /blog/memory-is-slow-part2/
on “Memory is slow, Disk is fast – Part 1”Submitted io_uring is faster than mmap as a story · 284 points
HN discussionhttps://www.bitflux.ai/blog/memory-is-slow-part2/
Comment linking /blog/memory-is-slow-part2/
on “Memory is slow, Disk is fast – Part 1”Submitted Memory is slow, Disk is fast – Part 1 as a story · 54 points
HN discussionmmap is slow because stalling on page faults is slow. Your process stalls and sits around doing nothing instead of processing data you've read already. You can google the benchmarks if you like. io_uring wasn't built just for kicks. https://www.bitflux.ai/blog/memory-is-slow-part2/
Comment linking /blog/memory-is-slow-part2/
on “Why does C have the best file API”Submitted Memory is slow, Disk is fast – Part 3 as a story · 5 points
HN discussionSubmitted Show HN: Agents for DevOps? Demo as a story · 2 points
HN discussion