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Matmul on Blackwell: Part 2 – Using Hardware Features to Optimize Matmul

news.ycombinator.com Unknown 2025-10-11 19:16:18

In the first blog post in this series we explained Nvidia's Blackwell GPU architecture and concluded with a 4 line kernel that was a bit worse than cuBLAS. In fact, the performance was a lot worse coming in at 0.3% of cuBLAS and leaving 1758 TFLops on the table. In this post we are going to continue our journey and improve our performance by more than 50x our initial kernel benchmark. Along the way we are going to explain more GPU programming concepts and leverage novel Blackwell features. Note

Topics: memory shared thread tile tma

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What to Do with an Old iPad

news.ycombinator.com Unknown 2025-10-11 18:14:16

I recently inherited my parents’ old iPad 2. It had iOS 9 on it and was barely usable, in part due to how slow it was but mostly because of old SSL certificates and apps stopping support. But I wanted to give it some life because I hate to see a working machine go to waste. So I asked around and got a great answer: The iPad 2 can be downgraded to iOS 6.1.3 or 8.4.1. Both offer better performance than iOS 9 and have untethered jailbreaks. Once downgraded and jailbroken you can sideload hours and

Topics: ios ipad server ssh vps

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New Apple Card offer allows users to earn boosted cash back with Uber and Uber Eats

9to5mac.com Michael Burkhardt 2025-10-12 20:39:52

For a limited time, Apple is offering a boosted 5% cash back on Uber and Uber Eats, allowing users to earn some extra cash back on their rides, food delivery, and more. This offer runs through September 30th, and you’ll need to use your Apple Card with Apple Pay to earn this special cash back rate. Using the card number for your Apple Card won’t allow you to earn this cash back bonus. There’s a $500 spend cap for this cash back offer, allowing you to earn up to $25. Plus, all Apple Card users

Topics: apple card cash earn uber

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Google’s AI Ambitions An ‘Existential Crisis’ For News Online

gizmodo.com Riley Gutiérrez Mcdermid 2025-10-12 21:30:27

Amid mounting concerns over its monopoly in online search, Google’s intensified integration of artificial intelligence into how it presents the world’s news outlets is prompting a seismic shift in the digital journalism landscape. Major publishers worldwide report plunging traffic and revenue, fueling fears that their traditional business models are under existential threat, The Guardian reports in a deep dive into how the industry is reacting. It posits that Google’s rapid rollout of AI-drive

Topics: ai google industry publishers search

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I compared my Sonos Arc Ultra with an unlikely soundbar rival, and it went down to the wire

zdnet.com Christian De Looper 2025-10-12 20:00:18

Jada Jones/ZDNET Follow ZDNET: Add us as a preferred source on Google. If you have $1,000 to spend on a soundbar, there are compelling options to choose from. Since its late 2024 release, the Sonos Arc Ultra has been at the top of the heap in this price range, but there are new competitors that give Sonos a run for its money. The Marshall Heston 120, for example, offers a unique design, cool features, and comes at the exact same price as the Sonos Arc Ultra. Also: 5 ways to instantly boost yo

Topics: arc marshall sonos speakers ultra

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What happened when I brought a Coros smartwatch on a fly-fishing trip

zdnet.com Matthew Miller 2025-10-12 21:00:20

Coros Nomad smartwatch ZDNET's key takeaways The Coros Nomad is available now in Green, Brown, and Dark Grey for $349. It's built to withstand the elements with detailed metrics and focused journal utilities for fishing. There is no speaker to playback voice notes, no solar charging, and no LED flashlight to see in the dark. View now at Coros Follow ZDNET: Add us as a preferred source on Google. I've had the opportunity to test a lot of smartwatches, but it's still tough to find one watch th

Topics: coros fish fishing nomad watch

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Quantum Mechanics, Concise Book

news.ycombinator.com Unknown 2025-10-13 05:09:10

To see all available qualifiers, see our documentation . Saved searches Use saved searches to filter your results more quickly We read every piece of feedback, and take your input very seriously. You signed in with another tab or window. Reload to refresh your session. You signed out in another tab or window. Reload to refresh your session. You switched accounts on another tab or window. Reload to refresh your session. Dismiss alert

Topics: refresh reload session tab window

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The Biden-Era Plan to Pay Travelers for Airline-Caused Delays Is Dead

cnet.com See Full Bio 2025-10-13 04:39:00

For a brief moment, it looked like US travelers might finally get automatic cash when an airline's own problems wrecked their plans. The Department of Transportation, under former President Joe Biden, drafted a rule requiring carriers to pay passengers at least $200 and up to $775 for the longest holdups. The compensation would cover meals, hotels, ground transport and rebooking when disruptions were within the airline's control. But no longer. On Sept. 5, the Trump administration's DOT offici

Topics: airline airlines cash compensation delay

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AppLovin and Robinhood added to S&P 500

cnbc.com Jordan Novet 2025-10-13 09:57:30

Shares of advertising technology company AppLovin and stock trading app Robinhood Markets each jumped about 7% in extended trading on Friday after S&P Global said the two will join the S&P 500 index. The changes will go into effect before the beginning of trading on Sept. 22, S&P Global announced in a statement. AppLovin will replace MarketAxess Holdings , while Robinhood will take the place of Caesars Entertainment . In March, short-seller Fuzzy Panda Research advised the committee for the la

Topics: 500 applovin index robinhood shares

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YouTube Cracks Down on Premium Family Plans Used at Different Addresses

cnet.com See Full Bio 2025-10-13 16:30:04

Sharing a YouTube Premium or YouTube Music family plan with people who don't live at your address could soon cost you the perks you're used to. Several users have reported receiving warnings that their accounts will be paused within 15 days if they don't comply with YouTube's rules on family plans. The policy isn't new. YouTube required family plan members to share the same household in 2023 but it looks like enforcement is stepping up. If you lose Premium, you can still stream videos and liste

Topics: family plan premium sharing youtube

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Showrunner wants to use generative AI to recreate lost footage from an Orson Welles classic

theverge.com Charles Pulliam-Moore 2025-10-13 17:00:28

is a reporter focusing on film, TV, and pop culture. Before The Verge, he wrote about comic books, labor, race, and more at io9 and Gizmodo for almost five years. Showrunner — the startup that wants to “revolutionize” the entertainment industry by charging people to prompt up AI-generated videos featuring copyrighted IP — is working on a new project to restore an Orson Welles classic. On Friday, Showrunner announced that it has designed a new generative AI model that is meant to help recreate

Topics: ai film project showrunner welles

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Morse Code Translator

news.ycombinator.com Unknown 2025-10-13 18:23:29

Translate Morse to English & English to Morse code Instantly Perfect for amateur radio and emergency communications Practice with repeat mode for skill development Toggle slash separators for different formatting styles Use the copy button for quick text sharing Morse Code Creator: use the green morse code generator button to create random phrases Access advanced audio settings to customize frequency (200-1000 Hz), playback speed, and WPM for professional training standards. Download your

Topics: audio code english morse text

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Best of IFA 2025: All of the wild concepts, gadgets, and new releases in tech from this year’s show

9to5mac.com Justin Kahn 2025-10-14 01:13:19

IFA 2025 is now in full swing with all the latest in consumer tech, wild concepts, and more. Robots for your robots that climb stairs, lawn mowers that play fetch with your dog, the latest Qi2.2 25W MagSafe tech, modular charging stations, flagship headphones, the latest in gaming handhelds, Gemini smart TVs, and new tablets have all surfaced over the last couple days, and you’ll find the most interesting new gear on display from IFA 2025 collected for you down below. Some of my favorite gear B

Topics: 2025 flagship gear headphones latest

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Does anyone still use Morse code?

news.ycombinator.com Unknown 2025-10-14 04:23:29

Translate Morse to English & English to Morse code Instantly Perfect for amateur radio and emergency communications Practice with repeat mode for skill development Toggle slash separators for different formatting styles Use the copy button for quick text sharing Morse Code Creator: use the green morse code generator button to create random phrases Access advanced audio settings to customize frequency (200-1000 Hz), playback speed, and WPM for professional training standards. Download your

Topics: audio code english morse text

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Nothing teases its fourth-gen earbuds called the Ear (3) because numbers are hard

androidauthority.com Unknown 2025-10-14 09:37:41

TL;DR Nothing has confirmed it will launch its next-generation flagship TWS earbuds soon. After previously adopting a new naming scheme that removed numbers from the name, Nothing is going back to “straightforward numerical order.” The next earbuds will be called the Ear (3). There’s nothing that London-based electronics maker Nothing loves more than teasers. In typical fashion, the company released a teaser for a new product this morning. The teaser in question is for Nothing’s next-generati

Topics: company ear earbuds flagship going

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Tesla offers $1 trillion to Elon Musk to unleash his army of robots

theverge.com Andrew J. Hawkins 2025-10-14 13:29:59

is transportation editor with 10+ years of experience who covers EVs, public transportation, and aviation. His work has appeared in The New York Daily News and City & State. Elon Musk could become the world’s first trillionaire if Tesla shareholders approve a new pay package that was just put forward by the company’s board. Musk would need to meet certain milestones in order to receive that eye-popping compensation, such as producing 1 million robotaxis and 1 million humanoid robots, as well a

Topics: company musk order shareholders tesla

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Love the Pixel 10? You can now wear it on your sleeve, almost literally

androidauthority.com Unknown 2025-10-14 17:16:10

Google TL;DR Google has launched new Pixel 10-themed merchandise. The T-Shirt, ceramic mug, and a roll of washi tape, all come with a coded message. Besides online, Google will also sell these items in its physical stores across the US. Google has just dropped a new set of merchandise in succession of the Pixel 10 series phones announced last month. The newly added products include a coffee mug, a full-sleeve T-shirt, and a roll of washi tape. All of these products are available in black an

Topics: 10 google numbers pixel shirt

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I compared two of the best soundbars on the market, and Sonos has some serious competition

zdnet.com Christian De Looper 2025-10-14 17:45:00

Jada Jones/ZDNET Follow ZDNET: Add us as a preferred source on Google. If you have $1,000 to spend on a soundbar, there are compelling options to choose from. Since its late 2024 release, the Sonos Arc Ultra has been at the top of the heap in this price range, but there are new competitors that give Sonos a run for its money. The Marshall Heston 120, for example, offers a unique design, cool features, and comes at the exact same price as the Sonos Arc Ultra. Also: 5 ways to instantly boost yo

Topics: arc marshall sonos speakers ultra

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OnePlus ends Hasselblad camera partnership, reveals what’s next for OnePlus 15 and beyond

androidauthority.com Unknown 2025-10-15 03:44:25

TL;DR OnePlus has announced the end of its partnership with camera maker Hasselblad. Instead, the mobile brand is working on its own OnePlus DetailMax Engine for photography. The Hasselblad partnership kicked off with 2021’s OnePlus 9 Pro. OnePlus first teamed up with Hasselblad for 2021’s OnePlus 9 series. This partnership spawned Hasselblad-branded OnePlus flagship phones all the way until the OnePlus 13. Now, the smartphone maker has confirmed that this tie-up is over. OnePlus co-founder

Topics: camera hasselblad lau oneplus partnership

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This Amazfit smartwatch just got one of my most essential Garmin features - and I love it

zdnet.com Matthew Miller 2025-10-15 06:57:00

Amazfit T-Rex 3 Pro ZDNET's key takeaways The Amazfit T-Rex 3 Pro is available for $400 The watch sports a LED flashlight, is available in two sizes, has a speaker and microphone for call and assistant support, and three weeks of battery life There is no support for subscription music services, wearable payment systems, and limited third party apps. View now at Us.amazfit Follow ZDNET: Add us as a preferred source on Google. If you've read any of my Garmin reviews over the past couple of yea

Topics: amazfit flashlight led pro rex

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IRHash: Efficient Multi-Language Compiler Caching by IR-Level Hashing

news.ycombinator.com Tobias Landsberg 2025-10-15 03:43:01

Compilation caches (CCs) save time, energy, and money by avoiding redundant compilations. They are provided by means of compiler wrappers (Ccache, sccache, cHash) or native build system features (Bazel, Buck2). Conceptually, a CC pays off if the achieved savings by cache hits outweigh the extra costs for cache lookups. Thus, most techniques try to detect a cache hit early in the compilation process by hashing the (preprocessed/tokenized) source code, but hashing the AST has also been suggested t

Topics: cache ccache chash end irhash

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Honda’s Prelude returns as a 200-horsepower fake-shifting hybrid

theverge.com Thomas Ricker 2025-10-15 04:02:04

is a deputy editor and Verge co-founder with a passion for human-centric cities, e-bikes, and life as a digital nomad. He’s been a tech journalist for 20 years. Posts from this author will be added to your daily email digest and your homepage feed. Honda is bringing back the sporty Prelude as a technology-packed 200-horsepower hybrid to tug at nostalgia strings. It’s the first new Prelude in 25 years and the front-wheel-drive-coup antidote to crossover SUVs. Pricing hasn’t been announced but i

Topics: drive experience honda prelude shift

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Using AI to perceive the universe in greater depth

news.ycombinator.com Unknown 2025-10-15 02:35:31

Our novel Deep Loop Shaping method improves control of gravitational wave observatories, helping astronomers better understand the dynamics and formation of the universe. To help astronomers study the universe’s most powerful processes, our teams have been using AI to stabilize one of the most sensitive observation instruments ever built. In a paper published today in Science, we introduce Deep Loop Shaping, a novel AI method that will unlock next-generation gravitational-wave science. Deep Lo

Topics: deep gravitational ligo loop shaping

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Rocketships and Slingshots

news.ycombinator.com Aaron Harris 2025-10-15 12:06:10

The dominant metaphor for a successful startup these days is the rocketship. The not so humble brags are all over x and the press, founders and VCs saying - “0-100m in ARR faster than any company in history” and “idea to $1m in revenue in a month.” I get why these are exciting. The stories are simple, the progress is amazing, the pull of the market is irresistible. Sometimes these will be the biggest and most interesting companies of the future. Then again, as with most stories, the realities o

Topics: companies company information interesting slingshots

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Non-Obviously Great Startups

news.ycombinator.com Aaron Harris 2025-10-15 17:06:10

The dominant metaphor for a successful startup these days is the rocketship. The not so humble brags are all over x and the press, founders and VCs saying - “0-100m in ARR faster than any company in history” and “idea to $1m in revenue in a month.” I get why these are exciting. The stories are simple, the progress is amazing, the pull of the market is irresistible. Sometimes these will be the biggest and most interesting companies of the future. Then again, as with most stories, the realities o

Topics: companies company information interesting slingshots

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This Electric Shaver Is Made From Aircraft-Grade Aluminium, Because Why Not?

gizmodo.com James Pero 2025-10-16 00:04:35

Nothing says “premium” like aerospace-grade aluminum alloy, am I right? I guess. I don’t know, it sounds fancy and it looks fancy, too, which makes Laifen’s new electric shaver, the T1 Pro, the swankiest electric shaver I’ve seen all day. The T1 Pro, which was announced at IFA 2025, is apparently crafted with “a single block of aerospace-grade aluminum alloy,” which makes this over-engineered shaver both light and very durable, according to Laifen. Powering this thing is what Laifen describes a

Topics: electric laifen pro shaver t1

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Fashion retailers partner to offer personalized AI styling tool ‘Ella’

techcrunch.com Dominic-Madori Davis 2025-10-16 01:45:00

The luxury membership platform Vivrelle, which allows customers to rent high-end goods, announced Thursday the launch of an AI personal styling tool called Ella as part of its partnership with fashion retailers Revolve and FWRD. The launch is an example of how the fashion industry is leveraging AI technology to enhance customer experiences and is one of the first partnerships to see three retailers come together to offer a personalized AI experience. Revolve and FWRD let users shop designer clo

Topics: ai disrupt ella fashion techcrunch

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Finally, a smartwatch for fishing enthusiasts - my verdict after taking it on the river

zdnet.com Matthew Miller 2025-10-16 05:46:00

Coros Nomad smartwatch ZDNET's key takeaways The Coros Nomad is available now in Green, Brown, and Dark Grey for $349. It's built to withstand the elements with detailed metrics and focused journal utilities for fishing. There is no speaker to playback voice notes, no solar charging, and no LED flashlight to see in the dark. View now at Coros Follow ZDNET: Add us as a preferred source on Google. I've had the opportunity to test a lot of smartwatches, but it's still tough to find one watch th

Topics: coros fish fishing nomad watch

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Launch HN: Slashy (YC S25) – AI that connects to apps and does tasks

news.ycombinator.com Unknown 2025-10-16 13:27:41

Hi HN! – We’re Pranjali, Dhruv and Harsha, building Slashy ( https://www.slashy.ai ). We’re building a general agent that connects to apps and can read data across them and perform actions via custom tools, semantic search, and personalized memory. Here’s a demo: https://www.youtube.com/watch?v=OeApHMHhccA While working on a previous startup, we realized we were spending more time doing busywork in apps than actually building product. We lost hundreds of hours scraping LinkedIn profiles, updati

Topics: actions agent custom slashy tools

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Senator Says Radioactive Shrimp Will Turn You Into the Alien From ‘Alien’

gizmodo.com Matt Novak 2025-10-16 13:00:59

U.S. health officials have issued several recalls of shrimp in recent weeks over concerns about radioactive material. And now a sitting U.S. Senator has taken the opportunity to warn people in the most dire terms possible. With help from a visual aide, of course. Sen. John Kennedy, a Republican from Louisiana, took to the Senate floor with a giant poster board featuring a screenshot from the classic 1979 film Alien on Wednesday. And he wants you to know that Americans are going to look like the

Topics: alien kennedy like radioactive shrimp

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Latest Tech News

Matmul on Blackwell: Part 2 – Using Hardware Features to Optimize Matmul

What to Do with an Old iPad

New Apple Card offer allows users to earn boosted cash back with Uber and Uber Eats

Google’s AI Ambitions An ‘Existential Crisis’ For News Online

I compared my Sonos Arc Ultra with an unlikely soundbar rival, and it went down to the wire

What happened when I brought a Coros smartwatch on a fly-fishing trip

Quantum Mechanics, Concise Book

The Biden-Era Plan to Pay Travelers for Airline-Caused Delays Is Dead

AppLovin and Robinhood added to S&P 500

YouTube Cracks Down on Premium Family Plans Used at Different Addresses

Showrunner wants to use generative AI to recreate lost footage from an Orson Welles classic

Morse Code Translator

Best of IFA 2025: All of the wild concepts, gadgets, and new releases in tech from this year’s show

Does anyone still use Morse code?

Nothing teases its fourth-gen earbuds called the Ear (3) because numbers are hard

Tesla offers $1 trillion to Elon Musk to unleash his army of robots

Love the Pixel 10? You can now wear it on your sleeve, almost literally

I compared two of the best soundbars on the market, and Sonos has some serious competition

OnePlus ends Hasselblad camera partnership, reveals what’s next for OnePlus 15 and beyond

This Amazfit smartwatch just got one of my most essential Garmin features - and I love it

IRHash: Efficient Multi-Language Compiler Caching by IR-Level Hashing

Honda’s Prelude returns as a 200-horsepower fake-shifting hybrid

Using AI to perceive the universe in greater depth

Rocketships and Slingshots

Non-Obviously Great Startups

This Electric Shaver Is Made From Aircraft-Grade Aluminium, Because Why Not?

Fashion retailers partner to offer personalized AI styling tool ‘Ella’

Finally, a smartwatch for fishing enthusiasts - my verdict after taking it on the river

Launch HN: Slashy (YC S25) – AI that connects to apps and does tasks

Senator Says Radioactive Shrimp Will Turn You Into the Alien From ‘Alien’

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