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Cache-Conscious Data Layout in Rust: Field Zoning, False Sharing, 128-Byte Rule

https://debasishg.github.io/blog/part1-cache-conscious-data-layout-in-rust/
12•eigenBasis•3d ago

Comments

kouteiheika•36m ago
> the mechanics that make zoning real: why #[repr(C)] is load-bearing, why the magic number is often 128 and not 64, and why adding prefetch hints can make things worse.

> The honest rule

Sigh... yet another Claude written article, and (unless I'm blind) it doesn't seem to be disclosed anywhere.

Normally I'm not the one to complain, but it's really tedious to see this writing style pretty much everywhere nowadays, and the more you see it the more you start to find it unbearable to read.

Show HN: Getting GLM 5.2 running on my slow computer

https://github.com/JustVugg/colibri
427•vforno•19h ago•109 comments

Focus

https://boz.com/articles/focus
49•iacguy•2h ago•26 comments

EU Parliament greenlights Chat Control 1.0

https://www.patrick-breyer.de/en/eu-parliament-greenlights-chat-control-1-0-breyer-our-children-l...
1036•rapnie•16h ago•503 comments

GPT-5.6

https://openai.com/index/gpt-5-6/
1096•logickkk1•10h ago•797 comments

Show HN: 18 Words

https://18words.com/
851•pompomsheep•14h ago•288 comments

Train sim created by just one person is being called the best ever made

https://kotaku.com/a-train-sim-created-by-just-one-person-is-being-called-the-best-ever-made-2000...
324•oumua_don17•4d ago•122 comments

Star Just Ate a Planet, and It's Not Done Yet

https://www.nytimes.com/2026/07/09/science/space/planetary-engulfment-hungry-star.html
18•wglb•1h ago•20 comments

Interview with Mitchell Hashimoto about Ghostty and Zig

https://alexalejandre.com/programming/interview-with-mitchell-hashimoto/
141•veqq•9h ago•54 comments

My Story of 3D Realms / Apogee Part I (2020)

https://joesiegler.blog/2020/11/my-story-of-apogee-3dr/
41•Michelangelo11•1w ago•1 comments

Hy3

https://hy.tencent.com/research/hy3
402•andai•11h ago•87 comments

Postgres rewritten in Rust, now passing 100% of the Postgres regression tests

https://github.com/malisper/pgrust
418•SweetSoftPillow•20h ago•425 comments

Triple Dragon Fractal (2020)

https://paulbourke.net/fractals/tripledragon/
23•nhatcher•3d ago•4 comments

No leap second will be introduced at the end of December 2026

https://datacenter.iers.org/data/latestVersion/bulletinC.txt
250•ChrisArchitect•12h ago•189 comments

The glass backbone: Why the Army's logistics will break in the next war

https://mwi.westpoint.edu/the-glass-backbone-why-the-armys-logistics-will-break-in-the-next-war/
308•baud147258•13h ago•393 comments

Build your own vulnerability harness

https://blog.cloudflare.com/build-your-own-vulnerability-harness/
13•ianrahman•1h ago•6 comments

A road to Lisp: Why Lisp

https://scotto.me/blog/2026-07-09-why-lisp/
123•silcoon•14h ago•123 comments

Building a real-time AI tutor for 5-year-olds

https://www.ello.com/blog/teaching-a-child-in-1000-ms
54•catalinvoss•6h ago•69 comments

Girls just wanna have fast MPMC queues with bounded waiting

https://nahla.dev/blog/waitfree_queue/
141•EvgeniyZh•3d ago•31 comments

Launch HN: Context.dev (YC S26) – API to get structured data from any website

https://www.context.dev
76•TheYahiaBakour•11h ago•56 comments

Why American ambulance rides are so expensive

https://davidoks.blog/p/why-american-ambulance-rides-are
109•jyunwai•4h ago•149 comments

A possible future for Damn Interesting

https://www.damninteresting.com/a-possible-future/
244•mzur•11h ago•33 comments

Cache-Conscious Data Layout in Rust: Field Zoning, False Sharing, 128-Byte Rule

https://debasishg.github.io/blog/part1-cache-conscious-data-layout-in-rust/
12•eigenBasis•3d ago•1 comments

Muse Spark 1.1

https://ai.meta.com/blog/introducing-muse-spark-meta-model-api/
333•ot•12h ago•174 comments

Life with Hazard Ratios

https://dynomight.net/hazard-ratios/
7•surprisetalk•3d ago•0 comments

Patterncollider: Generate and explore quasiperiodic tiling patterns

https://github.com/aatishb/patterncollider
27•tobr•3d ago•1 comments

Wildcard (YC W25) Is Hiring a Founding Engineer

https://www.ycombinator.com/companies/wildcard/jobs/ZSLVaaU-founding-engineer
1•kaushikmahorker•10h ago

Buried Apple feature turns an iPhone into the perfect kids' dumb phone

https://www.wired.com/story/this-buried-apple-feature-turns-an-iphone-into-the-perfect-kids-dumb-...
288•PotatoNinja•3d ago•169 comments

Opinionated and easy Pi.dev configuration

https://lazypi.org/
118•lwhsiao•11h ago•62 comments

GLM 5.2 is nearly as accurate as a human book keeper

https://toot-books.pages.dev/blog/glm-5-2-vat-benchmark
192•adamkurkiewicz•8h ago•113 comments

SimPolitics: America’s quest to solve politics with computers

https://mitpress.mit.edu/9780262053198/simpolitics/
86•mckelveyf•12h ago•16 comments