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WebAssembly: Yes, but for What?

news.ycombinator.com Unknown 2025-08-27 13:34:43

June 30, 2025 Volume 23, issue 3 PDF WebAssembly: Yes, but for What? The keys to a successful Wasm deployment Andy Wingo WebAssembly (Wasm) turns 10 this year, which, in software terms, just about brings it to the age of majority. It has been polished, prepared, explored, and deployed, but in the language of American speculative fiction author William Gibson, we are now as ever in the unevenly distributed future: WebAssembly has found a niche but not yet filled its habitable space. This ar

Topics: memory use wasm web webassembly

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Public exploits released for Citrix Bleed 2 NetScaler flaw, patch now

bleepingcomputer.com Unknown 2025-08-27 23:57:37

Researchers have released proof-of-concept (PoC) exploits for a critical Citrix NetScaler vulnerability, tracked as CVE-2025-5777 and dubbed CitrixBleed2, warning that the flaw is easily exploitable and can successfully steal user session tokens. The CitrixBleed 2 vulnerability, which affects Citrix NetScaler ADC and Gateway devices, allows attackers to retrieve memory contents simply by sending malformed POST requests during login attempts. This critical flaw is named CitrixBleed2 as it close

Topics: citrix exploited flaw memory netscaler

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Public exploits released for CitrixBleed 2 NetScaler flaw, patch now

bleepingcomputer.com Unknown 2025-08-28 14:57:37

Researchers have released proof-of-concept (PoC) exploits for a critical Citrix NetScaler vulnerability, tracked as CVE-2025-5777 and dubbed CitrixBleed2, warning that the flaw is easily exploitable and can successfully steal user session tokens. The CitrixBleed 2 vulnerability, which affects Citrix NetScaler ADC and Gateway devices, allows attackers to retrieve memory contents simply by sending malformed POST requests during login attempts. This flaw is named CitrixBleed2 as it closely resemb

Topics: citrix exploited flaw memory netscaler

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These are the best new MacBook deals this July: options starting at $649

9to5mac.com Michael Burkhardt 2025-08-30 12:33:35

In the Apple Silicon era, MacBooks have become more affordable than ever – with brand new models starting as low as $649. With looming tariffs on China, these great deals could potentially be coming to an end soon – so if you’re in the market for a new MacBook for any reason, now may be one of the best ever times to purchase. Apple’s upcoming macOS 26 update is also rumored to drop support for some additional Intel Macs, so if you’d like to stay on the latest and greatest Apple software, nows a

Topics: air m4 macbook memory storage

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How the Binding of Two Brain Molecules Creates Memories That Last a Lifetime

wired.com Ajdina Halilovic 2025-08-30 06:00:00

The original version of this story appeared in Quanta Magazine. When Todd Sacktor was about to turn 3, his 4-year-old sister died of leukemia. “An empty bedroom next to mine. A swing set with two seats instead of one,” he said, recalling the lingering traces of her presence in the house. “There was this missing person—never spoken of—for which I had only one memory.” That memory, faint but enduring, was set in the downstairs den of their home. A young Sacktor asked his sister to read him a book

Topics: memories memory molecular molecules sacktor

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VLLM: Easy, Fast, and Cheap LLM Serving with PagedAttention

news.ycombinator.com Woosuk Kwon 2025-08-28 14:16:20

GitHub | Documentation | Paper LLMs promise to fundamentally change how we use AI across all industries. However, actually serving these models is challenging and can be surprisingly slow even on expensive hardware. Today we are excited to introduce vLLM, an open-source library for fast LLM inference and serving. vLLM utilizes PagedAttention, our new attention algorithm that effectively manages attention keys and values. vLLM equipped with PagedAttention redefines the new state of the art in LL

Topics: llm memory pagedattention throughput vllm

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Show HN: Core – open source memory graph for LLMs – shareable, user owned

news.ycombinator.com Unknown 2025-09-06 23:24:24

Contextual Observation & Recall Engine C.O.R.E is a shareable memory for LLMs which is private, portable and 100% owned by the user. You can either run it locally or use our hosted version and then connect with other tools like Cursor, Claude to share your context at multiple places. C.O.R.E is built for two reasons: To give you complete ownership of your memory, stored locally and accessible across any app needing LLM context. To help SOL (your AI assistant) access your context, facts, and p

Topics: api ingest key memory search

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This Survey Asked Neuroscientists If Memories Can Be Extracted From the Dead. Here’s What They Said

gizmodo.com Natalia Mesa 2025-09-09 02:20:54

The allure and terror of transferring your consciousness to a computer has long been fodder for cyberpunk novels and billionaire-backed immortality startups. But a substantial chunk of neuroscientists think it might be possible to extract memories from a preserved brain and store those memories inside a computer, according to a new study. The study, published in the journal PLOS One, suggests that most neuroscientists believe that memory has a physical basis and, on average, give a 40% probabil

Topics: brain memories memory neuroscientists study

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Helix: A Modern, High-Performance Language

news.ycombinator.com Unknown 2025-09-09 14:08:24

Helix: A Modern, High-Performance Language. Key Goals of Helix: High-performance: The language is designed to be as fast as C, with modern features and a more expressive syntax. Safety: Focused on safe memory management without sacrificing developer productivity and freedom. Borrow Checker: Implements a Advanced Memory Tracking system for memory safety, while being far less strict than other languages. Robustness: Provides tools and features that ensure code stability and reduce runtime err

Topics: code error helix memory safety

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Blackwell: Nvidia's GPU

news.ycombinator.com Chester Lam 2025-09-10 13:40:13

Nvidia has a long tradition of building giant GPUs. Blackwell, their latest graphics architecture, continues that tradition. GB202 is the largest Blackwell die. It occupies a massive 750mm2 of area, and has 92.2 billion transistors. GB202 has 192 Streaming Multiprocessors (SMs), the closest equivalent to a CPU core on a GPU, and feeds them with a massive memory subsystem. Nvidia’s RTX PRO 6000 Blackwell features the largest GB202 configuration to date. It sits alongside the RTX 5090 in Nvidia’s

Topics: amd blackwell l2 memory nvidia

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What really happens when your phone runs out of RAM?

androidauthority.com Unknown 2025-09-10 11:00:00

Robert Triggs / Android Authority These days, high-end smartphones and even more affordable models ship with about as much RAM as a modern mid-range PC. And why shouldn’t they? We use our phones for various tasks, from flicking through countless apps to playing the latest high-end games. They all need RAM, and increasingly more of it, especially when it comes to chatting with a large language model or using AI to spruce up our media. Can your phone even run out of RAM these days? It sounds unl

Topics: memory ram swap use zram

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I deleted my second brain

news.ycombinator.com Joan Westenberg 2025-09-10 09:27:29

Two nights ago, I deleted everything. Every note in Obsidian. Every half-baked atomic thought, every Zettelkasten slip, every carefully linked concept map. I deleted every Apple Note I’d synced since 2015. Every quote I’d ever highlighted. Every to-do list from every productivity system I’d ever borrowed, broken, or bastardized. Gone. Erased in seconds. What followed: Relief. And a comforting silence where the noise used to be. For years, I had been building what technologists and lifehacker

Topics: brain like memory old want

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Memory safety is table stakes

news.ycombinator.com Unknown 2025-09-13 08:36:11

The past few years has seen a massive success story for systems programming. Entire categories of bugs that used to plague systems programmers—like use-after-free, data races, and segmentation faults—have begun to completely disappear. The secret to this new reality is a set of systems programming languages chief among them Rust—whose powerful type systems are able to constructively eliminate these kind of bugs; if it compiles, then it’s correct … or at least, will not contain use-after-free or

Topics: foreign memory safety systems type

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Memory Safety Is Merely Table Stakes

news.ycombinator.com Unknown 2025-09-13 13:36:11

The past few years has seen a massive success story for systems programming. Entire categories of bugs that used to plague systems programmers—like use-after-free, data races, and segmentation faults—have begun to completely disappear. The secret to this new reality is a set of systems programming languages chief among them Rust—whose powerful type systems are able to constructively eliminate these kind of bugs; if it compiles, then it’s correct … or at least, will not contain use-after-free or

Topics: foreign memory safety systems type

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AMD demo shows procedural generation slashing VRAM use from 35 GB to just 51 KB

techspot.com Daniel Sims 2025-09-14 17:51:00

Why it matters: Managing graphics memory has become one of the most pressing challenges facing the realm of real-time 3D rendering. As visuals become more detailed, the amount of VRAM required for modern high-end games is pushing against what average customers can afford. AMD and Nvidia are currently developing remedies to the issue, which involve shifting certain rendering tasks from memory to the GPU. A new research paper from AMD explains how procedurally generating certain 3D objects in rea

Topics: generation graphs memory vram work

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AMD demo shows procedural generation cutting VRAM usage from 35GB to 51KB

techspot.com Daniel Sims 2025-09-14 22:51:00

Why it matters: Managing graphics memory has become one of the most pressing challenges facing the realm of real-time 3D rendering. As visuals become more detailed, the amount of VRAM required for modern high-end games is pushing against what average customers can afford. AMD and Nvidia are currently developing remedies to the issue, which involve shifting certain rendering tasks from memory to the GPU. A new research paper from AMD explains how procedurally generating certain 3D objects in rea

Topics: generation graphs memory vram work

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IBM's Dmitry Krotov wants to crack the 'physics' of memory

news.ycombinator.com Unknown 2025-09-15 09:31:58

Dmitry “Dima” Krotov was among the first to congratulate AI pioneer, John Hopfield, on his Nobel Prize in Physics last fall. “John, wow!” he texted Hopfield on the morning the award became public. “Just WOW!!” As Hopfield’s close collaborator, Krotov has helped explain to the world following the announcement how Hopfield’s single-layer digital neural network led to the “deep” networks in use today. At Princeton, the two researchers invented something called dense associative memory, which lifte

Topics: data energy hopfield krotov memory

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CUDA Ray Tracing 2x Faster Than RTX: My CUDA Ray Tracing Journey

news.ycombinator.com Tanguy Fautré 2025-09-15 08:42:38

Welcome! This article is a deep dive into how I made a CUDA-based ray tracer that outperforms a Vulkan/RTX implementation—sometimes by more than 3x—on the same hardware. If you're interested in GPU programming, performance optimization, or just want to see how far you can push a path tracer, you're in the right place. The comparison is with RayTracingInVulkan by GPSnoopy, a well-known Vulkan/RTX renderer. My goal wasn't just to port Ray Tracing in One Weekend to CUDA, but to squeeze every last

Topics: cuda float memory ray std

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Claude catches up to ChatGPT with built-in memory support

bleepingcomputer.com Unknown 2025-09-18 02:52:15

AI startup Anthorpic is planning to add a memory feature to Claude in a bid to take on ChatGPT, which has an advanced memory feature. With memory support, Claude can remember past events and reference them in new chats to improve the results. For example, if you specifically instruct Claude that you prefer Python as your favourite programming language, it'll try to show Python-based code output only. Anthorpic hasn't confirmed memory support for Claude, but as some users spotted on X, referen

Topics: artifacts claude feature memory users

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SanDisk 128GB Extreme PRO MicroSD Card Drops Below Last Prime Day Price, Feels Like an Amazon Giveaway

gizmodo.com Brittany Vincent 2025-09-19 02:10:40

If you’ve ever lost footage or had your camera freeze up in the middle of recording, you know how critical a good memory card really is. If you lose all the work you just did, there’s no way you want to do it all again. And you don’t want to lose important memories you took while on a trip or even video game saves. On the flip side, you might just need to expand the memory for a console or a device you’re using. And you can do all this with a new microSD card. We’ve got one in mind, too. And you

Topics: amazon card just like memory

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NVIDIA's RTX 5050 arrives early in laptops from Acer, MSI and more

engadget.com Unknown 2025-09-19 06:33:10

NVIDIA's add-in board partners won't start selling the GeForce RTX 5050 until mid-July, but it looks like the company has given the early go-ahead to OEMs to start announcing laptops with the new entry-level GPU. Wccftech and Videocardz report that 5050-equipped laptops are available to order in China as of this morning from domestic manufacturers like Mechrevo. Over in the US, companies like MSI and Acer have begun announcing their own RTX 5050 laptops. The former, for instance, will sell the

Topics: 5050 gpu memory rtx vram

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Basic Facts about GPUs

news.ycombinator.com Unknown 2025-09-19 09:15:12

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

Topics: 32 block memory thread threads

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Show HN: Turbine – 16-bit CPU Architecture and Emulator built in C

news.ycombinator.com Unknown 2025-09-18 13:59:17

Project Link: github.com/errorcodezero/turbine Please star my project. I’m trying to qualify for shipwrecked and I need a certain amount of github stars to qualify To start this off, I want to say that it’s been a while since I’ve created a new post. I quite frankly had been quite occupied with other activities and didn’t give writing anything the time it needed. However, in those months of absence, I went down all sorts of paths in my programming journey that I never would have believed that

Topics: 0x0 flag memory register vm

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I was surprised by how simple an allocator is

news.ycombinator.com Unknown 2025-09-18 12:20:41

Table of Contents Introduction Recently I was looking at an issue on mimalloc, a "state-of-the-art" memory allocator developed by Microsoft. The issue was quite simple, developers wanted a way to preallocate a piece of memory and use it as mimalloc's heap. Seeing that mimalloc does not offer this feature, I thought: "how hard can it be to write a memory allocator to manage a preallocated region?". The answer to this question is: "given enough time, even a monkey with a typewriter can write

Topics: allocator chunk memory requested size

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Asterinas: A new Linux-compatible kernel project

news.ycombinator.com Unknown 2025-09-24 02:56:16

Asterinas: a new Linux-compatible kernel project [LWN subscriber-only content] Born from research at the Southern University of Science and Technology (SUSTech) in Shenzen, China, Asterinas is a new Linux-ABI-compatible kernel project written in Rust, based on what the authors call a "framekernel architecture". The project overlaps somewhat with the goals of the Rust for Linux project , but approaches the problem space from a different direction by trying to get the best from both monolithic an

Topics: asterinas kernel linux memory rust

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In-Memory C++ Leap in Blockchain Analysis

news.ycombinator.com Nate Tuganov 2025-09-25 14:40:45

Real-Time, Court-Admissible Crypto Intelligence at 1/400th the Cost of Inferior Legacy Systems The explosion of blockchain data isn’t just a challenge; it’s a crisis for conventional analytics. Financial institutions, investigators, and law enforcement agencies are hamstrung by tools that are too slow, expensive, and built on legacy database technologies incapable of keeping pace. Critical insights are missed, opportunities vanish, and illicit activities remain obscured by systems that offer on

Topics: cfd clusters data memory performance

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Show HN: Rulebook AI – rules and memory manager for AI coding IDEs

news.ycombinator.com Unknown 2025-09-28 22:56:42

Universal Rules Template for AI Coding Assistants Bugs or ideas → open an Issue in the repo in the repo Anonymous feedback: Go to the Google Form Supercharge Your AI Coding Workflow Across Cursor, CLINE, RooCode, Windsurf, and Github Copilot Tired of inconsistent AI behavior across different coding assistants? Struggling to maintain context and enforce best practices on complex projects? This template provides a robust, cross-platform framework designed to elevate your AI pair-programming ex

Topics: ai files memory project rules

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Crucial Pro DDR5 RAM 64GB Kit (2x32GB) Hits Lowest Price Ever, Each Stick Is Practically Free

gizmodo.com Joe Tilleli 2025-09-30 18:40:08

If you’re out there building yourself your first gaming PC, let me just say it’s not as hard as it looks. Once you find all the parts you need for the budget you want to spend, it is just a matter of putting them all together. And there and plenty of YouTube videos that will show you exactly what to do if you are nervous on that front. No, the hard part is actually that first part — finding the parts your need for the budget you want to spend. There are a lot of options out there with hard-to-de

Topics: amazon crucial just memory pro

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AMD's Pre-Zen Interconnect: Testing Trinity's Northbridge

news.ycombinator.com Chester Lam 2025-09-28 12:07:23

Today, AMD’s Infinity Fabric interconnect is ubiquitous across the company’s lineup. Infinity Fabric provides well-defined interfaces to a transport layer, and lets different functional blocks treat the interconnect as a black box. The system worked well enough to let AMD create integrated GPU products all the way from the Steam Deck’s tiny van Gogh APU, to giant systems packing four MI300A chips. Across all those offerings, Infinity Fabric enables coherent memory access as CPU and GPU requests

Topics: amd cpu gpu memory trinity

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SK Hynix shares extend gains to over 2-decade highs as parent group reportedly plans AI data center

cnbc.com Dylan Butts 2025-10-01 08:41:03

Illustration of the SK Hynix company logo seen displayed on a smartphone screen. Shares in South Korea's SK Hynix extended gains to hit a more than 2-decade high on Tuesday, following reports over the weekend that SK Group plans to build the country's largest AI data center. SK Hynix shares, which have surged almost 50% so far this year on the back of an AI boom, were up nearly 3%, following gains on Monday. The company's parent, SK Group, plans to build the AI data center in partnership with

Topics: ai company hynix memory sk

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Latest Tech News

WebAssembly: Yes, but for What?

Public exploits released for Citrix Bleed 2 NetScaler flaw, patch now

Public exploits released for CitrixBleed 2 NetScaler flaw, patch now

These are the best new MacBook deals this July: options starting at $649

How the Binding of Two Brain Molecules Creates Memories That Last a Lifetime

VLLM: Easy, Fast, and Cheap LLM Serving with PagedAttention

Show HN: Core – open source memory graph for LLMs – shareable, user owned

This Survey Asked Neuroscientists If Memories Can Be Extracted From the Dead. Here’s What They Said

Helix: A Modern, High-Performance Language

Blackwell: Nvidia's GPU

What really happens when your phone runs out of RAM?

I deleted my second brain

Memory safety is table stakes

Memory Safety Is Merely Table Stakes

AMD demo shows procedural generation slashing VRAM use from 35 GB to just 51 KB

AMD demo shows procedural generation cutting VRAM usage from 35GB to 51KB

IBM's Dmitry Krotov wants to crack the 'physics' of memory

CUDA Ray Tracing 2x Faster Than RTX: My CUDA Ray Tracing Journey

Claude catches up to ChatGPT with built-in memory support

SanDisk 128GB Extreme PRO MicroSD Card Drops Below Last Prime Day Price, Feels Like an Amazon Giveaway

NVIDIA's RTX 5050 arrives early in laptops from Acer, MSI and more

Basic Facts about GPUs

Show HN: Turbine – 16-bit CPU Architecture and Emulator built in C

I was surprised by how simple an allocator is

Asterinas: A new Linux-compatible kernel project

In-Memory C++ Leap in Blockchain Analysis

Show HN: Rulebook AI – rules and memory manager for AI coding IDEs

Crucial Pro DDR5 RAM 64GB Kit (2x32GB) Hits Lowest Price Ever, Each Stick Is Practically Free

AMD's Pre-Zen Interconnect: Testing Trinity's Northbridge

SK Hynix shares extend gains to over 2-decade highs as parent group reportedly plans AI data center

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