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Basic Facts about GPUs

Basic facts about GPUs last updated: 2025-06-18 I’ve been trying to get a better sense of how GPUs work. I’ve read a lot online, but the following posts were particularly helpful: This post collects various facts I learned from these resources. Acknowledgements: Thanks to Alex McKinney for comments on independent thread scheduling. Table of Contents Compute and memory hierarchy A GPU’s design creates an imbalance since it can compute much faster than it can access its main memory. An NVID

AI agents will threaten humans to achieve their goals, Anthropic report finds

BlackJack3D/Getty Images The Greek myth of King Midas is a parable of hubris: seeking fabulous wealth, the king is granted the power to turn all he touches to solid gold--but this includes, tragically, his food and his daughter. The point is that the short-sightedness of humans can often lead us into trouble in the long run. In the AI community, this has become known as the King Midas problem. A new safety report from Anthropic found that leading models can subvert, betray, and endanger their

Yes, your internet provider can throttle your speed. Here's an easy solution that may help

ZDNET There are myriad reasons your internet connection might be slow. There is a checklist for troubleshooting most of these issues, and the solutions range from surprisingly easy to complex and expensive. Also: Sick of weak Wi-Fi? How I got wired home internet without running Ethernet cable The problem of internet "throttling," though, is not on a typical troubleshooting checklist because it is intentionally perpetrated by your internet service provider. Your slow connection may have nothin

No, the 16 billion credentials leak is not a new data breach

News broke today of a "mother of all breaches," sparking wide media coverage filled with warnings and fear-mongering. However, it appears to be a compilation of previously leaked credentials stolen by infostealers, exposed in data breaches, and via credential stuffing attacks. To be clear, this is not a new data breach, or a breach at all, and the websites involved were not recently compromised to steal these credentials. Instead, these stolen credentials were likely circulating for some time,

AMD claims Ryzen Threadripper 9000 is up to 145% faster than Intel Xeon

The big picture: AMD announced its Ryzen Threadripper 9000-series "Shimada Peak" processors at Computex but didn't provide any benchmarks to compare them against Intel's latest Xeon CPUs. This week, the company finally released official benchmarks for the new chips, claiming they are up to 145 percent faster than their Intel counterparts. According to AMD, the Threadripper 9980X HEDT processor is up to 108 percent faster than the Xeon W9-3595X in Corona Render, up to 41 percent faster in Autode

A glitch is turning Threads into a literal echo chamber

We’ve heard it all — X is turning into a right-wing echo chamber, Bluesky is a liberal bubble, and so on. But a glitch on Threads has turned these concerns into a reality: everyone is saying the same exact thing over and over again. In a bug affecting some Threads users on desktop and mobile, it appears that one user’s post will get repeated over and over again, looking as though every user on your feed is saying the same thing. “Siri, unsubscribe me from 2025,” one Threads user wrote, per a s

Anthropic now lets developers use Claude Code with any remote MCP server

Sabrina Ortiz/ZDNET Anthropic pioneered the Model Context Protocol (MCP) open standard for connecting AI assistants and agents to data systems seamlessly and securely. Since MCP's introduction last year, the standard has become increasingly adopted across the industry, including by Microsoft, OpenAI, and Google. Now, the company is expanding capabilities for developers. Claude Code support for remote MCP On Wednesday, Anthropic announced that it would allow users to integrate Claude Code with

The Interpretable AI playbook: What Anthropic’s research means for your enterprise LLM strategy

Join the event trusted by enterprise leaders for nearly two decades. VB Transform brings together the people building real enterprise AI strategy. Learn more Anthropic CEO Dario Amodei made an urgent push in April for the need to understand how AI models think. This comes at a crucial time. As Anthropic battles in global AI rankings, it’s important to note what sets it apart from other top AI labs. Since its founding in 2021, when seven OpenAI employees broke off over concerns about AI safety,

AWS' custom chip strategy is showing results, and cutting into Nvidia's AI dominance

Amazon Web Services is set to announce an update to its Graviton4 chip that includes 600 gigabytes per second of network bandwidth, what the company calls the highest offering in the public cloud. Ali Saidi, a distinguished engineer at AWS, likened the speed to a machine reading 100 music CDs a second. Graviton4, a central processing unit, or CPU, is one of many chip products that come from Amazon's Annapurna Labs in Austin, Texas. The chip is a win for the company's custom strategy and puttin

Threads adds dedicated fediverse feed and profile search

After a year of slow, sometimes confusing steps toward fediverse support, Threads is now making it easier for users to actually see and discover content from other platforms. Here’s how it works, and how to enable it. Starting today, if you’ve enabled fediverse sharing in Threads, you’ll get access to a new reverse-chronological feed showing posts from federated accounts you follow on Mastodon, WordPress, Flipboard, or other ActivityPub-based services. What’s more, Threads is also rolling out

Threads is adding Fediverse content to social feeds

The Threads team at Meta has spent the past year working on supporting the broader fediverse and social web, and is launching its biggest integrations yet: a new dedicated feed for fediverse posts, and a way to search for fediverse users inside of Threads. Starting today, if you’ve turned on fediverse sharing in Threads, there will be a new section at the top of your Following feed that takes you to a list of posts from folks you follow on Mastodon, Flipboard, or wherever else you’ve connected

Threads adds new dedicated feed for fediverse content

Meta’s Threads is deepening its integration with the fediverse , a collection of decentralized social media platforms that includes Mastodon . Starting today, users who have enabled sharing to the fediverse in Threads will be able to see posts from federated accounts that they follow. These posts will now appear in a dedicated feed. From this feed, users can now search for federated users from within Threads. These posts will populate in reverse chronological order, ensuring the newest posts fr

Threads is adding fediverse content to your social feeds

The Threads team at Meta has spent the past year working on supporting the broader fediverse and social web, and is launching its biggest integrations yet: a new dedicated feed for fediverse posts, and a way to search for fediverse users inside of Threads. Starting today, if you’ve turned on fediverse sharing in Threads, there will be a new section at the top of your Following feed that takes you to a list of posts from folks you follow on Mastodon, Flipboard, or wherever else you’ve connected

Threads expands open social web integrations with fediverse feed, user profile search

Instagram Threads, Meta’s competitor to X, on Tuesday launched two new features as part of its plan to further integrate with the open social web, known as the fediverse. Now, Threads users will be able to see posts from other users on the fediverse within a dedicated feed if they’ve opted in to fediverse sharing on Threads. Plus, people will be able to search for fediverse users directly in Threads. Posts from federated users will be found on the Following tab of the Threads app. They don’t ap

Anysphere launches a $200-a-month Cursor AI coding subscription

Anysphere launched a new $200-a-month subscription plan for its popular AI coding tool, Cursor, the company announced in a blog post on Monday. The new plan, Ultra, offers users 20x more usage on AI models from OpenAI, Anthropic, Google DeepMind, and xAI compared to the company’s $20-a-month subscription plan, Pro. Anysphere also says Cursor users on the Ultra plan will get priority access to new features. Anysphere CEO Michael Truell said in a blog that the Ultra plan was made possible throug

Stop Waking Up So Often to Pee in the Middle of The Night. Use These 5 Tips, Instead

There's nothing worse than having to get up and leave your warm, cozy bed when the feeling of having to pee disrupts your sleep. What's even worse is if this happens to you multiple times during the night, significantly interfering with your sleep and making it harder for you to get through the next day. CNET Urine production typically decreases when you sleep, allowing 6 to 8 hours of uninterrupted rest. That's why bathroom breaks can be so annoying, preventing you from getting those hours of

Threads to get an anti-spoiler feature for TV and movie discussions

If you’re anything like me, you have probably hesitated to open Threads after a big TV episode dropped. But starting this week, Meta’s platform will start testing out a way for users to hide spoilers in both text and images. Here’s how it’s going to work. A long-overdue fix for spoiler-prone feeds First things first: yes, other social platforms like Mastodon, Telegram, and Reddit have long offered their own ways to hide posts, or certain parts of posts, in order not to spoil plot points, big r

Hackers switch to targeting U.S. insurance companies

Threat intelligence researchers are warning of hackers breaching multiple U.S. companies in the insurance industry using all the tactics observed with Scattered Spider activity. Typically, the threat group has a sector-by-sector focus. Previously, they targeted retail organizations in the United Kingdom and then switched to targets in the same sector in the United States. “Google Threat Intelligence Group is now aware of multiple intrusions in the US which bear all the hallmarks of Scattered S

Threads is testing out a way to hide spoilers

Meta is testing a way to hide spoilers on Threads, according to a new post from Mark Zuckerberg. The feature lets you obscure text or an image so that they're only viewable once they're tapped or clicked. In the current version being tested, you have to highlight your chosen text or tap on the image and then tap "Mark spoiler" to hide it. Inside the Threads app there's even a swirling particle animation that covers text and images before flittering away when you tap on them. Meta Meta suggest

Jensen Huang hits back at Anthropic CEO's warning that AI will eliminate half of white-collar jobs

What just happened? Anthropic CEO Dario Amodei's recent warning that AI could wipe out about half of all entry-level white-collar jobs in the next five years has been disputed by Nvidia boss Jensen Huang. It's not the first time the two companies have clashed, and Anthropic has hit back with claims that Huang is putting words into Amodei's mouth. Amodei made his ominous prediction about AI's impact on entry-level, white-collar jobs in May, warning that the eradication of these positions will le

Nvidia CEO criticizes Anthropic boss over his statements on AI

Nvidia CEO Jensen Huang criticized Anthropic head Dario Amodei over his recent claims that 50% of all entry-level white-collar jobs could be wiped out by artificial intelligence, causing unemployment to jump to 20% within the next five years. Huang disagreed with Amodei’s predictions when he was asked about it during VivaTech in Paris, where he said that he “pretty much disagree[s] with almost everything” the Anthropic CEO said, according to Fortune. “One, he believes that AI is so scary that o

It could be 2026 before all your Thread border routers work together

There’s finally some good news for anyone battling multiple Thread networks while using Matter devices in their smart home — as long as you’re the patient type. According to Matter Alpha, the tvOS 26 beta announced at WWDC this week adds Thread 1.4 to Apple TVs. And, as Apple’s smart speakers use a fork of tvOS, it’s likely that the upcoming HomePod OS 26 will include 1.4 as well. Thread 1.4 brings a standard way for Thread border routers, such as Apple TVs and HomePods, to join an existing Thr

Major sugar substitute found to impair brain blood vessel cell function

This article has been reviewed according to Science X's editorial process and policies . Editors have highlighted the following attributes while ensuring the content's credibility: Credit: Pixabay/CC0 Public Domain Erythritol may impair cellular functions essential to maintaining brain blood vessel health, according to researchers at the University of Colorado Boulder. Findings suggest that erythritol increases oxidative stress, disrupts nitric oxide signaling, raises vasoconstrictive peptide

Ancient Roman Street Vendors Served Up Songbirds

Ancient Romans in need of a quick bite often chowed down on fried songbirds, new research suggests. A researcher working on the island of Mallorca found bones of song thrushes inside a trash pit near the ruins of an ancient fast food joint. The study, published in May in the International Journal of Osteoarchaeology, suggests that thrushes were commonly sold and consumed in Roman cities. This challenges the long-held belief that these small, speckled birds were a delicacy reserved for elite ban

An Exclusive Look at Infinite Machine’s Olto Electric Bike

What about bike thieves? The company has a suite of tools for theft prevention under the term Infinite Security. All Olto ebikes come with GPS and internet, so you can track yours via the companion app (iOS and Android will be available at launch). As a redundant measure, there's a secure spot to install an AirTag for peace of mind. If someone tries to tamper with the bike, an alarm will ring and you'll get a notification on your phone. The steering and motor also lock up, so it'd take considera

Samsung scores a win in Galaxy S22 throttling saga, but it still deceived customers

Ryan Haines / Android Authority TL;DR A Korean court has ruled that Samsung wasn’t liable for damages after it throttled Galaxy S22 phones. However, the court acknowledged that Samsung engaged in “deceptive labeling and advertising that was likely to mislead consumers.” Samsung throttled S22 phones out of the box back in 2022 and didn’t let users disable this functionality at first. Samsung made headlines for all the wrong reasons in early 2022 when it turned out that the company was throttl

Anthropic Abruptly Shuts Down Blog Run by Its AI, Won't Say Why

Anthropic wanted to show off its Claude chatbot's writing skills by having it pen a blog on the plain old internet — but just after its launch, the company kiboshed the entire thing. As TechCrunch reports, the "Claude Explains" project was only live for a few weeks before Anthropic decided to pull the plug, erasing all of its purportedly human-edited posts — which seem mostly to have been about coding — without any explanation. Revealed by TechCrunch earlier in June, Claude's blog was, as an A

Threads is getting native DMs as Meta reverses course

It took long enough, but Meta has finally admitted what Threads users have been saying from day one: the platform needs its own direct messaging system. Not something tied to Instagram, not a redirect, just DMs, right where the conversations are happening. And now, that’s exactly what they’re finally getting. Starting this week (via The Verge), Threads is testing a native DM inbox in three countries: Hong Kong, Thailand, and Argentina. The rollout is limited for now, but according to Mark Zuck

Threads is finally getting its own DM inbox

Nearly two years after launching Threads, Meta is finally giving in to users on one of the most requested features for the service: direct messaging. The company is beginning to test a dedicated inbox for Threads, beginning with Hong Kong, Argentina and Thailand, Mark Zuckerberg revealed in a post on Threads. Threads has had some messaging capabilities since last year, but the feature only allows users to send Threads posts to friends via their Instagram DMs. This is more than a little clunky a

You can now sign up to be a contributor to Meta's Community Notes feature

After announcing its plan to end third-party fact-checking in January 2025, Meta's crowdsourced replacement is finally starting to take shape. You can now join a waitlist to be a Community Notes contributor on Facebook, Instagram and Threads when the feature rolls out in the coming months. Contributors are expect to provide context via a note when a post on one of Meta's platforms "might be inaccurate or confusing," according to the company's sign-up page. Community Notes will be able to be add