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Why do we even need SIMD instructions?

https://lemire.me/blog/2025/08/09/why-do-we-even-need-simd-instructions/
6•ibobev•3h ago

Comments

rbanffy•2h ago
Ideally, a compiler would recognize the code can be turned into SIMD instructions and just issue those, but C doesn't have syntax for making it trivial. If C had a portable syntax for at least some vector operations, compilers could readily generate code with those instructions and we'd all be a lot happier.
zdw•2h ago
That header image is some truly cursed AI abomination.

Hamas Pulls Israel Deeper into Gaza

https://www.wsj.com/opinion/israel-gaza-city-benjamin-netanyahu-hamas-59a2f40d
1•andsoitis•6m ago•0 comments

Turns out GPT-5 can count but GPT-5-chat can't

https://bsky.app/profile/nishtahir.com/post/3lvz5nuxue224
1•CarefreeCrayon•7m ago•0 comments

HHS cites list of studies as scientific justification for mRNA cancellation

https://www.statnews.com/2025/08/08/kennedy-scientific-justification-mrna-vaccines/
1•zzzeek•11m ago•0 comments

Trump administration threatens to strip Harvard University of lucrative patents

https://www.theguardian.com/us-news/2025/aug/09/trump-administration-harvard-patent-review
2•andsoitis•17m ago•0 comments

Subversive of What? (1948)

https://www.theatlantic.com/magazine/archive/1948/08/subversive-of-what/643363/
1•Jtsummers•18m ago•0 comments

Galileo's telescopes: Seeing is believing (2010)

https://www.historytoday.com/archive/history-matters/galileos-telescopes-seeing-believing
1•hhs•20m ago•0 comments

Official Prompt Optimizer for GPT-5

https://platform.openai.com/chat/edit?models=gpt-5&optimize=true
1•ayushnangia16•32m ago•0 comments

Google is killing millions of web links to save a few bucks

https://www.washingtonpost.com/technology/2025/08/01/google-shuts-down-link-shortener/
4•pseudolus•49m ago•3 comments

Democratizing Access to Alternative Assets for 401(K) Investors

https://www.whitehouse.gov/presidential-actions/2025/08/democratizing-access-to-alternative-assets-for-401k-investors/
1•harporoeder•50m ago•0 comments

Exploring AI Memory Architectures (Part 2): MemOS Framework

https://blog.lqhl.me/exploring-ai-memory-architectures-part-2-memoss-system-and-governance-framework
1•lqhl•51m ago•0 comments

The Linguistics of Brain Rot

https://theamericanscholar.org/the-linguistics-of-brain-rot/
2•gmays•52m ago•0 comments

AI Image Watermarking Faces New Threat from "Unmarker"

https://spectrum.ieee.org/ai-watermark-remover
2•pseudolus•52m ago•0 comments

Exploring AI Memory Architectures (Part 3): From Prototype to Blueprint

https://blog.lqhl.me/exploring-ai-memory-architectures-part-3-from-prototype-to-blueprint
1•lqhl•52m ago•0 comments

Avatarl: Training language models from scratch with pure reinforcement learning

https://tokenbender.com/post.html?id=avatarl
1•neehao•56m ago•0 comments

Apple researchers taught an LLM to predict tokens up to 5x faster

https://9to5mac.com/2025/08/08/apple-research-teaches-llms-to-think-faster/
3•guiambros•1h ago•0 comments

Why good houseguests don't 'make themselves at home'

https://text.npr.org/nx-s1-5467347
2•colinprince•1h ago•0 comments

China's Disastrous Demographic Outlook

https://twitter.com/MoreBirths/status/1910780131318374524
4•toomuchtodo•1h ago•6 comments

AI's Overlooked $97B Contribution to the Economy

https://www.wsj.com/opinion/ais-overlooked-97-billion-contribution-to-the-economy-users-service-da6e8f55
2•whatisabcdefgh•1h ago•0 comments

Show HN: Hacker5News is now web available

https://hacker5news.duckdns.org/
1•lafalce•1h ago•0 comments

Where Are They? (2008)

https://nickbostrom.com/papers/where-are-they/
3•doughnutstracks•1h ago•0 comments

Efficient Strategies for Microglia Replacement in the Central Nervous System

https://www.sciencedirect.com/science/article/pii/S2211124720310263
1•bookofjoe•1h ago•0 comments

Show HN: AI Coloring Pages Generator

https://www.colori.io/
1•iliaddh•1h ago•2 comments

EPA Registers Novel(dsRNA) Pesticide Technology for Potato Crops

https://www.epa.gov/pesticides/epa-registers-novel-pesticide-technology-potato-crops
1•bookmtn•1h ago•0 comments

Nanowhisker glue uses ultrasound to form resilient bonds

https://phys.org/news/2025-07-naturally-sourced-nanowhisker-ultrasound-resilient.html
1•PaulHoule•1h ago•0 comments

Just Buy Nothing: A fake online store to combat shopping addiction

https://justbuynothing.com/
57•Improvement•1h ago•12 comments

Tiny Awards 2025 voting is now open

https://tinyawards.net/
1•CharlesW•1h ago•0 comments

Musicians do not demonstrate long-believed advantage in processing sound

https://www.michiganmedicine.org/health-lab/musicians-do-not-demonstrate-long-believed-advantage-processing-sound
3•geox•1h ago•2 comments

GPT-5: Overdue, overhyped and underwhelming. And that's not the worst of it

https://garymarcus.substack.com/p/gpt-5-overdue-overhyped-and-underwhelming
169•kgwgk•1h ago•112 comments

Eighteen Years of Greytrapping – Is the Weirdness Paying Off?

https://nxdomain.no/~peter/eighteen_years_of_greytrapping.html
3•peter_hansteen•1h ago•0 comments

Interactive UI Components for Django using Htmx

https://github.com/edelvalle/djhtmx
1•8organicbits•1h ago•0 comments