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IBM's Power11 Processor Architecture

news.ycombinator.com Ryan Smith 2025-11-03 00:43:13

Third up on today’s CPU track is IBM. Big Blue is at the conference to talk about its latest generation Power architecture chip, the Power11. IBM starts off by recapping Power. Why it exists, and what IBM’s goals are for the processor and architecture. IBM is very system-focused, rather than focusing on selling just CPUs. 1P and 2P systems, all the way up to 16P “glueless” systems. Recapping the Power release history, Power10 has proven to be very successful for IBM, “beyond our wildest dreams

Topics: ibm memory power power10 power11

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The best Amazon deals right now: Save on Apple, Eufy and more

zdnet.com Kayla Solino 2025-11-03 14:38:38

How did we choose these Amazon deals? ZDNET only writes about deals we want to buy -- devices and products we desire, need, or would recommend. Our experts looked for deals that were at least 20% off (or are hardly ever on sale), using established price comparison tools and trackers to determine whether the deal is actually on sale and how frequently it drops. We also looked over customer reviews to find out what matters to real people who already own and use the deals we're recommending. Our

Topics: amazon deals membership prime sale

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IBM's Power11 Processor Architecture at Hot Chips 2025

news.ycombinator.com Ryan Smith 2025-11-03 12:43:13

Third up on today’s CPU track is IBM. Big Blue is at the conference to talk about its latest generation Power architecture chip, the Power11. IBM starts off by recapping Power. Why it exists, and what IBM’s goals are for the processor and architecture. IBM is very system-focused, rather than focusing on selling just CPUs. 1P and 2P systems, all the way up to 16P “glueless” systems. Recapping the Power release history, Power10 has proven to be very successful for IBM, “beyond our wildest dreams

Topics: ibm memory power power10 power11

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The SD Association has an official SD card format utility [Win/OS X/Linux]

news.ycombinator.com Unknown 2025-11-03 21:55:56

SD Memory Card Formatter for Linux ver.1.0.3 for SD/SDHC/SDXC/SDUC The SD Memory Card Formatter formats SD Memory Card, SDHC Memory Card, SDXC Memory Card and SDUC Memory Card (respectively SD/SDHC/SDXC/SDUC Cards) complying with the SD File System Specification created by the SD Association (SDA). It is strongly recommended to use the SD Memory Card Formatter to format SD/SDHC/SDXC/SDUC Cards rather than using formatting tools provided with individual operating systems. In general, formatting

Topics: card memory sd sdhc sdxc

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In-Memory Filesystems in Rust

news.ycombinator.com André Arko 2025-11-04 00:33:35

In-memory Filesystems in Rust I’ve been working on a CLI tool recently, and one of the things it does is manage files on disk. I have written a lot of file management tests for Bundler, and the two biggest reasons that the Bundler test suite is slow are exec and fstat . Knowing that, I thought I would try to get out ahead of the slow file stat problem by using an in-memory filesystem for testing. A collaborator mentioned being happy with the Go package named Afero for this purpose, and so I se

Topics: filesystem fs memory std vfs

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AGI is an engineering problem, not a model training problem

news.ycombinator.com Vinci Rufus 2025-11-04 17:18:52

Published: Aug 13, 2025 | at 11:00 AM We’ve reached an inflection point in AI development. The scaling laws that once promised ever-more-capable models are showing diminishing returns. GPT-5, Claude, and Gemini represent remarkable achievements, but they’re hitting asymptotes that brute-force scaling can’t solve. The path to artificial general intelligence isn’t through training ever-larger language models—it’s through building engineered systems that combine models, memory, context, and determ

Topics: memory model models probabilistic systems

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Writing Speed-of-Light Flash Attention for 5090 in CUDA C++

news.ycombinator.com Thien Tran 2025-11-04 15:29:02

In this post, I will walkthrough how I learned to implement Flash Attention for 5090 in CUDA C++. The main objective is to learn writing attention in CUDA C++, since many features are not available in Triton, such as MXFP8 / NVFP4 MMA for sm120. I also feel this is a natural next step after learning about matmul kernels. Lastly, there are many excellent blogposts on writing fast matmul kernels, but there is none for attention. So I want to take this chance to write up something nicely. Readers

Topics: dim int memory row shared

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Io_uring, kTLS and Rust for zero syscall HTTPS server

news.ycombinator.com Unknown 2025-11-07 11:51:44

This is my personal blog. The views expressed on these pages are mine alone and not those of my employer. Around the turn of the century we started to get a bigger need for high capacity web servers. For example there was the C10k problem paper. At the time, the kinds of things done to reduce work done per request was pre-forking the web server. This means a request could be handled without an expensive process creation. Because yes, creating a new process for every request used to be somethi

Topics: kernel memory queue server web

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On the ground in Ukraine’s largest Starlink repair shop

technologyreview.com Charlie Metcalfe 2025-11-10 08:00:00

Supported by Kutkov’s technical expertise and Stepanets’s organizational prowess, Kovalskyy’s warehouse became the major repair hub (though other volunteers also make repairs elsewhere). Over time, Kovalskyy—who co-owned a regional internet service provider before the war—and his crew have learned to perform adjustments to Starlink terminals, especially to adapt them for battlefield conditions. For example, they modified them to receive charge at the right voltage directly from vehicles, years b

Topics: kovalskyy members narodnyi starlink stepanets

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Show HN: I replaced vector databases with Git for AI memory (PoC)

news.ycombinator.com Unknown 2025-11-10 10:20:11

DiffMem: Git-Based Differential Memory for AI Agents DiffMem is a lightweight, git-based memory backend designed for AI agents and conversational systems. It uses Markdown files for human-readable storage, Git for tracking temporal evolution through differentials, and an in-memory BM25 index for fast, explainable retrieval. This project is a proof-of-concept (PoC) exploring how version control systems can serve as a foundation for efficient, scalable memory in AI applications. At its core, Dif

Topics: agents ai diffmem git memory

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Parallel Reduce and Scan on the GPU

news.ycombinator.com Maximilian Maldacker 2025-11-06 06:21:37

Parallel reduce and scan on the GPU Introduction GPUs are formidable parallel machines, capable of running thousands of threads simultaniously. They are excellent for embarassily parallel algorithms, but are quite different than the ones on the CPU due to the way GPUs work. You can’t just build and run an application. You need to interact with the GPU driver via one of several APIs available (CUDA, OpenCL, Vulkan, DirectX, OpenGL, etc), manage the device memory, organize the transfers between

Topics: memory reduce scan subgroup sum

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Learning about GPUs through measuring memory bandwidth

news.ycombinator.com Unknown 2025-11-11 03:35:18

Learning About GPUs Through Measuring Memory Bandwidth At Traverse Research, we need to have a deep understanding of GPU performance to develop our benchmark, Evolve. Additionally, we sometimes do projects for very specific hardware where we need to know all the ins and outs of this hardware. One way we do this is by using microbenchmarks to measure specific parts of the GPU to get new insights. In this article, we will share what we learned from measuring the memory bandwidth of various GPUs.

Topics: byte cache data hardware memory

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Do Large Language Models Dream of AI Agents?

wired.com Will Knight 2025-11-11 14:00:00

During sleep, the human brain sorts through different memories, consolidating important ones while discarding those that don’t matter. What if AI could do the same? Bilt, a company that offers local shopping and restaurant deals to renters, recently deployed several million agents with the hopes of doing just that. Bilt uses technology from a startup called Letta that allows agents to learn from previous conversations and share memories with one another. Using a process called “sleeptime compu

Topics: agents ai context information memory

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EloqKV, a distributed database with Redis compatible API (GPLv2 and AGPLv3)

news.ycombinator.com Unknown 2025-11-13 20:35:02

EloqKV EloqKV is a high-performance distributed database with a Redis/ValKey compatible API. It offers features like ACID transactions, full elasticity and scalability, tiered storage, and session-style transaction syntax — all while preserving Redis' simplicity and usability. EloqKV is engineered for developers who need a modern no-compromise database solution to power the next generation of demanding applications in the AI era. Why Choose EloqKV Over Redis? Feature Redis EloqKV High Perform

Topics: data eloqkv memory redis transactions

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Intel 80286 emulator for Raspberry Pico

news.ycombinator.com Unknown 2025-11-15 09:53:23

🕹️ Pico-286 Project The Pico-286 project is an endeavor to emulate a classic PC system, reminiscent of late 80s and early 90s computers, on the Raspberry Pi Pico (RP2040/RP2350 microcontroller). It aims to provide a lightweight and educational platform for experiencing retro computing and understanding low-level system emulation. 🖥️✨ ⭐ Key Features 🧠 8086/8088/80186/286 CPU Emulation: At its core, the project emulates an Intel cpu up to 286 family. At its core, the project emulates an Intel

Topics: audio drive memory mode pico

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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 18:41:00

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 22:00:44

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 21:36:46

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 2025-11-18 08:31:00

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 12:36:00

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 22:34:43

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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Compiler Bug Causes Compiler Bug: How a 12-Year-Old G++ Bug Took Down Solidity

news.ycombinator.com Unknown 2025-11-15 20:04:21

Compilers aren't supposed to crash — especially not when compiling perfectly valid code like this: // SPDX-License-Identifier: UNLICENSED pragma solidity ^0.8.25; contract A { function a () public pure returns ( uint256 ) { return 1 ** 2 ; } } Yet running Solidity's compiler (solc) on this file on a standard Ubuntu 22.04 system (G++ 11.4, Boost 1.74) causes an immediate segmentation fault. At first, this seemed absurd. The code just returns 1 to the power of 2 — no memory tricks, unsafe casti

Topics: boost function member operator rational

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The Electric Fence Stopped Working Years Ago

news.ycombinator.com Unknown 2025-11-19 22:34:43

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 2025-11-20 08:23:00

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 2025-11-21 06:19:00

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 12:19:00

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 2025-11-21 08:42:04

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 18:07:48

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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Visible users won’t have to wait much longer to jump on the new Inner Circle plan

androidauthority.com Unknown 2025-11-27 12:38:28

Joe Maring / Android Authority TL;DR Visible will roll out its new Inner Circle feature on August 21. Plus and Plus Pro members can save $5 per month when part of a Circle with two or more members. Accounts can be connected without connecting payments. A few days ago, Visible rolled out a new feature called Inner Circle in early access. Inner Circle addresses one of the service’s biggest weaknesses, the inability to manage more than one line per account. At the time, only select members coul

Topics: circle feature inner members plus

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

zdnet.com Webb Wright 2025-11-27 12:01:25

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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Latest Tech News

IBM's Power11 Processor Architecture

The best Amazon deals right now: Save on Apple, Eufy and more

IBM's Power11 Processor Architecture at Hot Chips 2025

The SD Association has an official SD card format utility [Win/OS X/Linux]

In-Memory Filesystems in Rust

AGI is an engineering problem, not a model training problem

Writing Speed-of-Light Flash Attention for 5090 in CUDA C++

Io_uring, kTLS and Rust for zero syscall HTTPS server

On the ground in Ukraine’s largest Starlink repair shop

Show HN: I replaced vector databases with Git for AI memory (PoC)

Parallel Reduce and Scan on the GPU

Learning about GPUs through measuring memory bandwidth

Do Large Language Models Dream of AI Agents?

EloqKV, a distributed database with Redis compatible API (GPLv2 and AGPLv3)

Intel 80286 emulator for Raspberry Pico

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

Compiler Bug Causes Compiler Bug: How a 12-Year-Old G++ Bug Took Down Solidity

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)

Visible users won’t have to wait much longer to jump on the new Inner Circle plan

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

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