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How much RAM does your PC really need in 2025? I did the math for Windows and Mac users

zdnet.com Cesar Cadenas 2025-11-17 06:41:00

Kerry Wan/ZDNET Get more in-depth ZDNET tech coverage: Add us as a preferred Google source on Chrome and Chromium browsers. I used to struggle when shopping for a new computer. Over time, I learned to narrow things down to what I call the "performance trifecta" -- three main components you should be mindful of when buying a laptop or desktop: processor, storage drive, and RAM. The first two are pretty easy to figure out. A good processor ensures that a computer performs well, and a lot of loca

Topics: computer just laptop memory ram

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Unlocking Real-Time Supply Chain Analytics with GPU Technology: Q&A with Meher Siddhartha Errabolu

computer.org Laurel Tweed 2025-11-17 10:00:44

As supply chains generate ever-larger datasets and demand faster decisions, traditional central processing unit (CPU)-based systems are approaching their limits. To meet real-time requirements at scale, developers turn to accelerated computing powered by graphics processing units (GPUs). These massive parallel processors reshape how data is accessed, analyzed, and operationalized across the enterprise supply chain. One expert at the forefront of this transformation is Meher Siddhartha Errabolu.

Topics: data gpu memory supply time

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Nvidia Tilus: A Tile-Level GPU Kernel Programming Language

news.ycombinator.com Unknown 2025-11-14 09:36:46

Tilus: A Tile-Level GPU Kernel Programming Language Documentation | Paper Tilus is a powerful domain-specific language (DSL) for GPU programming that offers: Thread-block-level granularity with tensors as the primary data type. with as the primary data type. Explicit control over shared memory and register tensors (unlike Triton). over shared memory and register tensors (unlike Triton). Low-precision types with arbitrary bit-widths (1 to 8 bits). It also includes automatic tuning, caching,

Topics: arbitrary memory programming tensors tilus

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The 7 Best Mattress Toppers (2025) Out of Dozens We've Tested: Supportive, Plush, Memory Foam

wired.com Nena Farrell 2025-11-17 20:31:00

Honorable Mentions Not everything we test makes the cut as a pick, but that doesn't mean it's a bad mattress topper. Here are a few that our testers slept on and still got a good night's sleep with, but didn't love as much as the picks above. Avocado Alpaca Topper for $809: If you're looking for a mattress topper that's extra soft, WIRED reviewer Scott Gilbertson recommends the Avocado Alpaca Mattress Topper. He says it's one of the softest things he's ever slept on, and that it's like sleepin

Topics: foam mattress memory soft topper

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9 Best Pillows (2025) Tested For Side, Back, and Stomach Sleepers

wired.com Nena Farrell 2025-11-18 00:36:00

Compare the Top 5 Pillows Pillow Fill Material Shell Material Adjustable? Cooling? Sizes Available Purple Freeform Adjustable Pillow High-density memory foam and polyester fill blend, plus hyper elastic polymer gel layer Polyester stretch knit with proprietary cooling fibers Yes Yes Standard and king Coop Cool+ Adjustable Pillow Gel-infused memory foam and microfiber Nylon and polyester shell with a memory foam pad and gel, plus a pillowcase made of polyethylene, polyester, and spandex Yes Yes

Topics: foam inches memory pillow pillows

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The electric fence stopped working years ago

news.ycombinator.com Unknown 2025-11-18 10:34:43

We were walking to watch the sunset when a dog started barking at us from a porch. From inside, a voice called out: "Don't worry, he won't leave the porch. The electric fence hasn't worked in years, but he still won't go past it." I stopped mid-step. A dog, imprisoned by a fence that only exists in his memory. The next question changed how I see everything: What electric fences do we have in our lives? The Invisible Barrier Electric fences train dogs through graduated discomfort, first a wa

Topics: electric fence fences memory seconds

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The Electric Fence Stopped Working Years Ago

news.ycombinator.com Unknown 2025-11-19 10:34:43

We were walking to watch the sunset when a dog started barking at us from a porch. From inside, a voice called out: "Don't worry, he won't leave the porch. The electric fence hasn't worked in years, but he still won't go past it." I stopped mid-step. A dog, imprisoned by a fence that only exists in his memory. The next question changed how I see everything: What electric fences do we have in our lives? The Invisible Barrier Electric fences train dogs through graduated discomfort, first a wa

Topics: electric fence fences memory seconds

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How much RAM do you really need in 2025?

zdnet.com Cesar Cadenas 2025-11-19 20:23:00

Kyle Kucharski/ZDNET Get more in-depth ZDNET tech coverage: Add us as a preferred Google source on Chrome and Chromium browsers. I used to struggle when shopping for a new computer. Over time, I learned to narrow things down to what I call the "performance trifecta" -- three main components you should be mindful of when buying a laptop or desktop: processor, storage drive, and RAM. The first two are pretty easy to figure out. A good processor ensures that a computer performs well, and a lots o

Topics: computer laptop macbook memory ram

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We rewrote the Ghostty GTK application

news.ycombinator.com Unknown 2025-11-20 18:19:00

August 14, 2025 We just completed rewriting the Ghostty GTK application fully embracing the GObject type system from Zig and also verifying with Valgrind every step of the way. The result is a more feature rich, stable, and maintainable Ghostty on Linux and BSD. There are multiple interesting, technical topics from this process, but I want to focus in on two (1) interfacing with the GObject type system from Zig and (2) verifying a GTK application with Valgrind and reflecting on the memory issu

Topics: ghostty gtk memory valgrind zig

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We Rewrote the Ghostty GTK Application

news.ycombinator.com Unknown 2025-11-21 00:19:00

August 14, 2025 We just completed rewriting the Ghostty GTK application fully embracing the GObject type system from Zig and also verifying with Valgrind every step of the way. The result is a more feature rich, stable, and maintainable Ghostty on Linux and BSD. There are multiple interesting, technical topics from this process, but I want to focus in on two (1) interfacing with the GObject type system from Zig and (2) verifying a GTK application with Valgrind and reflecting on the memory issu

Topics: ghostty gtk memory valgrind zig

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Why top and free in containers don't show the correct container memory (2018)

news.ycombinator.com Ciro S. Costa 2025-11-20 20:42:04

Hey, Something that is very common to get wrong when starting with Linux containers is to think that free and other tools like top should report the memory limits. Here you’ll not only go through why that happens and how to get it right, but also take a look at where is the Kernel looking for information when you ask it for memory statistics. Also, if you’re curious about how the code for keeping track of per-cgroup page counter looks, stick to the end! This is the third article in a series

Topics: 181346 2560 limit memory struct

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A spellchecker used to be a major feat of software engineering (2008)

news.ycombinator.com Unknown 2025-11-21 06:07:48

A Spellchecker Used to Be a Major Feat of Software Engineering Here's the situation: it's 1984, and you're assigned to write the spellchecker for a new MS-DOS word processor. Some users, but not many, will have 640K of memory in their PCs. You need to support systems with as little as 256K. That's a quarter megabyte to contain the word processor, the document being edited, and the memory needed by the operating system. Oh, and the spellchecker. For reference, on my MacBook, the standard dictio

Topics: dictionary disk memory spellchecker words

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Claude can now save you more time by automatically referencing past chats

zdnet.com Webb Wright 2025-11-27 00:01:25

J Studios/Getty Images ZDNET's key takeaways Claude can now be prompted to reference past user interactions. The feature rolls out today to Max, Team, and Enterprise users. It'll be turned on by default, but you can also switch it off. Claude just got a major memory upgrade: Anthropic's flagship generative AI chatbot can now retrieve information from past conversations, the company announced Monday. The new feature is designed to enable a more streamlined, convenient, and personalized user

Topics: chatbot claude memory user users

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A Spellchecker Used to Be a Major Feat of Software Engineering

news.ycombinator.com Unknown 2025-11-23 12:07:48

A Spellchecker Used to Be a Major Feat of Software Engineering Here's the situation: it's 1984, and you're assigned to write the spellchecker for a new MS-DOS word processor. Some users, but not many, will have 640K of memory in their PCs. You need to support systems with as little as 256K. That's a quarter megabyte to contain the word processor, the document being edited, and the memory needed by the operating system. Oh, and the spellchecker. For reference, on my MacBook, the standard dictio

Topics: dictionary disk memory spellchecker words

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Anthropic’s Claude chatbot can now remember your past conversations

theverge.com Hayden Field 2025-11-29 10:56:15

is The Verge’s senior AI reporter. An AI beat reporter for more than five years, her work has also appeared in CNBC, MIT Technology Review, Wired UK, and other outlets. Posts from this author will be added to your daily email digest and your homepage feed. On Monday, Anthropic released a hotly anticipated memory function for its Claude chatbot. In a YouTube video, the company demonstrated a user asking what they had been chatting about with Claude before their vacation. Claude searches past c

Topics: ai anthropic claude memory past

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Sequoia's Moritz backs Intel CEO Lip-Bu Tan after Trump's 'artless bullying'

cnbc.com Samantha Subin 2025-11-30 20:18:39

Renowned venture capitalist Mike Moritz called on Intel to stand by CEO Lip-Bu Tan after President Donald Trump demanded his resignation last week. "Trump's assault has no modern precedent," Moritz wrote, calling the attack a "vindictive political sideshow." Moritz, who spent decades at Sequoia Capital and has known Tan for nearly four decades, highlighted the CEO's previous turnaround of Cadence Design Systems . Moritz said there is "no one better equipped to transform Intel's fortunes." "No

Topics: decades intel moritz president tan

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Operation Costs in CPU Clock Cycles (2016)

news.ycombinator.com No Bugs 2025-11-30 23:55:30

Author: “No Bugs” Hare Follow: Job Title: Sarcastic Architect Hobbies: Thinking Aloud, Arguing with Managers, Annoying HRs, Calling a Spade a Spade, Keeping Tongue in Cheek UPDATED: TLB and CAS/atomics (including different NUMA node) added Click to enlarge NB: scale is logarithmic! Premature Pessimization Easy on yourself, easy on the code: All other things being equal, notably code complexity and readability, certain efficient design patterns and coding idioms should just flow naturally

Topics: cost costs cpu cycles memory

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Inside OS/2 (1987)

news.ycombinator.com Unknown 2025-12-01 08:15:33

by Vaughn Vernon from the December 1987 issue of Computer Language OS/2, Microsoft’s latest addition to its operating system line, could well become the operating system of the next decade for Intel 80286/80386 microcomputers. Its multitasking capabilities, full-featured application programming interface (API), and extendability to future hardware almost guarantee its success. Microsoft sees microcomputing as a platform for office automation hardware and software: The office of the future (re

Topics: memory os process thread time

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Booting 5000 Erlangs on Ampere One 192-core

news.ycombinator.com Unknown 2025-12-01 05:41:34

Booting 5000 Erlangs on Ampere One 192-core Underjord is an artisanal consultancy doing consulting in Elixir, Nerves with an accidental speciality in marketing and outreach. If you like the writing you should really try the pro version. In the previous post on 500 virtual linux devices on ARM64 I hinted that I expected serious improvements if we got KVM working. Well. We’re there. Let’s see what we got going on. Disclosure: I am running a conference called Goatmire Elixir which Ampere is a sp

Topics: linux memory nerves qemu run

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9 Best WIRED-Tested Cooling Mattresses (2025)

wired.com Molly Higgins 2025-12-01 10:32:00

BedJet BedJet Other Cooling Options There are a ton of mattresses and related on the market that claim to have cooling benefits. Here are a few others we tested and liked, but not as much as the options above. BedJet 3 for $387: WIRED reviewer Christopher Null liked this climate-control device a lot because it allowed him to sleep cool without having to buy a whole new mattress. This device uses a large blower under your bed to blast hot or cool air beneath your covers. If you like your exist

Topics: cooling foam mattress mattresses memory

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New adhesive surface modeled on a remora works underwater

arstechnica.com Unknown 2025-12-01 00:08:48

Most adhesives can’t stick to wet surfaces because water and other fluids disrupt the adhesive’s bonding mechanisms. This problem, though, has been beautifully solved by evolution in remora suckerfish, which use an adhesive disk on top of their heads to attach to animals like dolphins, sharks, and even manta rays. A team of MIT scientists has now taken a close look at these remora disks and reverse-engineered them. “Basically, we looked at nature for inspiration,” says Giovanni Traverso, a prof

Topics: adhesive compartments disk host remora

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Review: The Sandman S2 is a classic tragedy, beautifully told

arstechnica.com Unknown 2025-12-02 00:54:39

I unequivocally loved the first season of The Sandman, the Netflix adaptation of Neil Gaiman's influential graphic novel series (of which I am longtime fan). I thought it captured the surreal, dream-like feel and tone of its source material, striking a perfect balance between the anthology approach of the graphic novels and grounding the narrative by focusing on the arc of its central figure: Morpheus, lord of the Dreaming. It's been a long wait for the second and final season, but S2 retains al

Topics: dream material morpheus netflix s2

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9 Things We Loved, and 4 Things We Didn’t, About ‘Wednesday’ Season Two, Part One

gizmodo.com Sabina Graves 2025-12-04 05:00:20

Netflix hit Wednesday is back with part one of the long-anticipated second season of Tim Burton’s Addams Family spin-off. Jenna Ortega steps back into those black-soled shoes with new mysteries afoot, as new threats rise against the outcasts of Nevermore Academy—but while we largely enjoyed what the first four episodes brought to the table, there are a few things we really hope get cleared up when part two drops. We Loved: More Addams Family antics With Pugsley (Isaac Ordonez) attending Neverm

Topics: love loved nevermore season wednesday

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Mysterious Crime Spree Targeted National Guard Equipment Stashes

wired.com Dell Cameron 2025-12-05 05:21:54

A string of previously undisclosed break-ins at Tennessee National Guard armories last fall marks the latest in a growing series of security breaches at military facilities across the United States, raising fresh concerns about the vulnerability of US armories to theft and intrusion. A confidential memo from the Tennessee Fusion Center reviewed by WIRED details four break-ins at Tennessee National Guard armories over a seven-week span. In one incident, thieves made off with night vision goggles

Topics: armories fbi guard memo military

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Everything to Remember Before Watching ‘Alien: Earth’

gizmodo.com Germain Lussier 2025-12-05 15:00:56

One of the best things about the new show, Alien: Earth, is that you do not need to be an Alien superfan to enjoy it. It’s not dependent on the plots of the seven-plus films in the franchise and is only connected to them in a few tangential ways. For now, at least. Nevertheless, there are a few things worth keeping in mind as we get closer to the August 12 debut. Here they are. The overview The Alien franchise began in 1979 with Ridley Scott’s film, Alien. It continued in 1986 with James Camer

Topics: alien company earth weyland xenomorph

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Baltimore Assessments Accidentally Subsidize Blight–and How We Can Fix It

news.ycombinator.com Greg Miller 2025-12-06 04:35:34

One of the biggest challenges facing Baltimore is blight. For decades, the city has grappled with population loss, leaving behind thousands of vacant homes and empty lots that scar neighborhoods. These empty spaces not only serve as a constant reminder of visible decline, but also drain city coffers and undermine community safety. Both the city and the state have launched ambitious initiatives to tackle this very problem. But what if the government’s own policies were quietly making the problem

Topics: assessed baltimore land vacant value

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‘Wednesday’ Season 2 Is a Delightful Mix of Gothic Whimsy and Brutal Horror

gizmodo.com Sabina Graves 2025-12-08 05:30:36

Wednesday Addams (Jenna Ortega) is back at Nevermore Academy with a new deadly mystery in Tim Burton’s Wednesday. Season two of the hit Netflix series raises the stakes with bolder teen angst, as well as a surprising body count. Showrunners Alfred Gough and Miles Millar return with exactly what fans loved from season one, amplified by the addition of new creative voices that truly capture the essence of Wednesday Addams. That includes Ortega’s influence as executive producer, and her collaborati

Topics: addams nevermore new season wednesday

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New Paper Finds Something Very Weird About the Shroud of Turin

futurism.com Unknown 2025-12-08 10:05:46

The mysterious Shroud of Turin, which is believed by many Christians to have laid atop Jesus Christ's body after his crucifixion, may be even stranger than we previously thought. In a new study published in the journal Archaeometry, Brazilian 3D designer Cicero Moraes lends credence to the theory that the shroud was a work of art rather than a genuine death shroud — and per the new paper, it may not have laid atop a human at all. Using three types of 3D modeling tools — MakeHuman, Blender, and

Topics: 3d christ moraes researchers shroud

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Kyoto University team develops pain reliever comparable to morphine

news.ycombinator.com No Author 2025-12-12 08:47:18

A Kyoto University research team has developed a pain-reliever that is comparable to morphine but does not have serious side effects. Morphine, often administered to cancer patients, has serious adverse effects such as breathing issues and addiction. According to the team, the newly developed drug, Adriana, is a groundbreaking painkiller, which works on a completely different mechanism to morphine and other existing synthetic opioids. The drug has the potential to revolutionize pain control in

Topics: drug morphine pain patients team

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Best Cheap Laptop: Budget Computers for Every Use

cnet.com See Full Bio 2025-12-12 18:18:00

There are a ton of models for less than $1,000 on the market at any given moment, and a large fraction of those are less than $500. As long as you manage your expectations regarding options and specs, you can still get quite a bit from a budget laptop model, including good battery life and a reasonably lightweight laptop body. (If you're replacing an old Windows laptop that's not up to running Windows anymore, consider turning it into a Chromebook.) Price If the statistics Intel and PC manufac

Topics: laptop laptops memory screen windows

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Latest Tech News

How much RAM does your PC really need in 2025? I did the math for Windows and Mac users

Unlocking Real-Time Supply Chain Analytics with GPU Technology: Q&A with Meher Siddhartha Errabolu

Nvidia Tilus: A Tile-Level GPU Kernel Programming Language

The 7 Best Mattress Toppers (2025) Out of Dozens We've Tested: Supportive, Plush, Memory Foam

9 Best Pillows (2025) Tested For Side, Back, and Stomach Sleepers

The electric fence stopped working years ago

The Electric Fence Stopped Working Years Ago

How much RAM do you really need in 2025?

We rewrote the Ghostty GTK application

We Rewrote the Ghostty GTK Application

Why top and free in containers don't show the correct container memory (2018)

A spellchecker used to be a major feat of software engineering (2008)

Claude can now save you more time by automatically referencing past chats

A Spellchecker Used to Be a Major Feat of Software Engineering

Anthropic’s Claude chatbot can now remember your past conversations

Sequoia's Moritz backs Intel CEO Lip-Bu Tan after Trump's 'artless bullying'

Operation Costs in CPU Clock Cycles (2016)

Inside OS/2 (1987)

Booting 5000 Erlangs on Ampere One 192-core

9 Best WIRED-Tested Cooling Mattresses (2025)

New adhesive surface modeled on a remora works underwater

Review: The Sandman S2 is a classic tragedy, beautifully told

9 Things We Loved, and 4 Things We Didn’t, About ‘Wednesday’ Season Two, Part One

Mysterious Crime Spree Targeted National Guard Equipment Stashes

Everything to Remember Before Watching ‘Alien: Earth’

Baltimore Assessments Accidentally Subsidize Blight–and How We Can Fix It

‘Wednesday’ Season 2 Is a Delightful Mix of Gothic Whimsy and Brutal Horror

New Paper Finds Something Very Weird About the Shroud of Turin

Kyoto University team develops pain reliever comparable to morphine

Best Cheap Laptop: Budget Computers for Every Use

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