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

news.ycombinator.com Woosuk Kwon 2025-08-09 10:16:20

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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Context Engineering for Agents

news.ycombinator.com Unknown 2025-08-10 15:56:20

Lance Martin TL;DR Agents need context to perform tasks. Context engineering is the art and science of filling the context window with just the right information at each step of an agent’s trajectory. In this post, I group context engineering into a few common strategies seen across many popular agents today. Context Engineering As Andrej Karpathy puts it, LLMs are like a new kind of operating system. The LLM is like the CPU and its context window is like the RAM, serving as the model’s work

Topics: agent agents context memories tool

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

news.ycombinator.com Unknown 2025-08-18 19:24:24

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 2025-08-20 22:20:54

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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Here Is Everyone Mark Zuckerberg Has Hired So Far for Meta’s ‘Superintelligence’ Team

wired.com Kylie Robison 2025-08-21 10:09:25

Mark Zuckerberg notified Meta staff today to introduce them to the new superintelligence team. The memo, which WIRED obtained, lists names and bios for the recently hired employees, many of whom came from rival AI firms like OpenAI, Anthropic, and Google. Over the past few months, Meta CEO Mark Zuckerberg has been on a recruiting frenzy to poach some of the most sought-after talent in AI. The social media giant has invested $14.3 billion in Scale AI and hired Alexandr Wang, its CEO, to run Meta

Topics: ai memo meta new zuckerberg

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Helix: A Modern, High-Performance Language

news.ycombinator.com Unknown 2025-08-21 10:08:24

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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Startling Percentage of Neuroscientists Say We Could Extract Memories From Dead Brains

futurism.com Unknown 2025-08-21 03:45:16

Image by Getty Images Studies When you die, your memories die with you, never to be experienced again. Or at least, that's always been how the case. Now, though, in an exercise to assess shifting scientific consensus, a cohort of 312 neuroscientists were quizzed by researchers on whether memories might live on in the structure of deceased brains. And a surprisingly larger number — 70.7 percent of the group — believe they may, findings which were newly published in the science journal PLOS One.

Topics: brain memories neuroscientists science scientists

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Blackwell: Nvidia's GPU

news.ycombinator.com Chester Lam 2025-08-22 09:40:13

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 2025-08-22 07:00:00

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 2025-08-22 05:27:29

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 2025-08-25 04:36:11

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 2025-08-25 09:36:11

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 2025-08-26 13:51:00

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 2025-08-26 18:51:00

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 2025-08-27 05:31:58

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 2025-08-27 04:42:38

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 2025-08-29 22:52:15

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 2025-08-30 22:10:40

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 2025-08-31 02:33:10

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 2025-08-31 05:15:12

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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US bans WhatsApp from House of Representatives staff devices

techcrunch.com Ram Iyer 2025-08-31 19:30:07

The U.S. government has banned WhatsApp from devices used by U.S. House of Representatives staff, saying the app poses potential security risks, Reuters reported, citing a memo sent to House staff. “The Office of Cybersecurity has deemed WhatsApp a high risk to users due to the lack of transparency in how it protects user data, absence of stored data encryption, and potential security risks involved with its use,” Reuters reported the memo as saying. The memo instead recommends staff use apps

Topics: data memo paragon staff whatsapp

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

news.ycombinator.com Unknown 2025-08-30 09:59:17

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 2025-08-30 08:20:41

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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Verified dynamic programming with Σ-types in Lean

news.ycombinator.com Tanner Duve 2025-08-30 18:28:30

1. Introduction If you’ve taken an algorithms class, you have likely seen dynamic programming, specifically a technique called memoization. Memoization works to optimize recursive algorithms by caching the solutions to subproblems in a table, and when a subproblem is encountered, it queries the table instead of recomputing the solution. This gives us an exponential performance boost. This blog post will show how to solve a dynamic programming problem using memoization in Lean, and verify its c

Topics: let maxdollars_spec memo proof type

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Verified Dynamic Programming with Σ-types in Lean

news.ycombinator.com Tanner Duve 2025-08-31 04:28:30

1. Introduction If you’ve taken an algorithms class, you have likely seen dynamic programming, specifically a technique called memoization. Memoization works to optimize recursive algorithms by caching the solutions to subproblems in a table, and when a subproblem is encountered, it queries the table instead of recomputing the solution. This gives us an exponential performance boost. This blog post will show how to solve a dynamic programming problem using memoization in Lean, and verify its c

Topics: let maxdollars_spec memo proof type

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Asterinas: A new Linux-compatible kernel project

news.ycombinator.com Unknown 2025-09-04 22:56:16

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 2025-09-06 10:40:45

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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Intel to cut as many as 10,000 factory jobs, one of its largest-ever layoffs

techspot.com Skye Jacobs 2025-09-09 10:02:00

What just happened? Intel is preparing to lay off as much as one-fifth of its factory workforce in a move that will reshape one of the company's core business units. The layoffs, set to begin in July, are expected to affect more than 10,000 employees worldwide, marking one of the largest workforce reductions in Intel's history. In a memo to employees, Intel Manufacturing Vice President Naga Chandrasekaran acknowledged the gravity of the decision. "These are difficult actions but essential to me

Topics: 000 company factory intel memo

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

news.ycombinator.com Unknown 2025-09-09 18:56:42

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 2025-09-11 14:40:08

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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Latest Tech News

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

Context Engineering for Agents

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

Here Is Everyone Mark Zuckerberg Has Hired So Far for Meta’s ‘Superintelligence’ Team

Helix: A Modern, High-Performance Language

Startling Percentage of Neuroscientists Say We Could Extract Memories From Dead Brains

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

US bans WhatsApp from House of Representatives staff devices

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

I was surprised by how simple an allocator is

Verified dynamic programming with Σ-types in Lean

Verified Dynamic Programming with Σ-types in Lean

Asterinas: A new Linux-compatible kernel project

In-Memory C++ Leap in Blockchain Analysis

Intel to cut as many as 10,000 factory jobs, one of its largest-ever layoffs

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

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