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Ryzen 7 9800X3D Teardown Reveals Mostly Dummy Silicon

2024-12-18
Ryzen 7 9800X3D Teardown Reveals Mostly Dummy Silicon

A teardown of AMD's Ryzen 7 9800X3D processor reveals a surprising finding: the majority of its volume is comprised of dummy silicon for structural integrity. While the SRAM cache die is significantly smaller than the compute die, AMD has added a substantial layer of dummy silicon above and below to protect the thin, fragile components. This results in a total package thickness of roughly 800µm, with dummy silicon accounting for a staggering 93%. Despite the seemingly wasteful design, it ensures stability and thermal performance. AMD is expected to announce 12-core and 16-core Ryzen 9 X3D processors soon.

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(www.tomshardware.com)
Hardware

Hadrius Hiring Founding UI/UX Designer, Up to $150K

2024-12-18
Hadrius Hiring Founding UI/UX Designer, Up to $150K

Hadrius, a Y Combinator-backed fintech startup, is hiring a Founding UI/UX Designer. They're using AI to automate the back office for financial firms, preventing future financial crises. The role is full-time in New York City, offering $80K-$150K salary and 0.01%-0.15% equity. The ideal candidate is a highly skilled designer with experience at a design-focused tech company, proficient in Figma, and passionate about Hadrius's mission. The team boasts engineers from Google, Chime, and other top companies, and the company is experiencing hyper-growth, doubling revenue every three months.

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(www.ycombinator.com)
Development UI/UX Design

Leadership Power Tools: SQL, Statistics, and Data-Driven Decisions

2024-12-18
Leadership Power Tools: SQL, Statistics, and Data-Driven Decisions

This article explores how engineering leaders can leverage SQL and statistical methods for data-driven decision-making. The author points out that many engineering leaders are uncomfortable extracting and interpreting data, recommending learning SQL (e.g., using DuckDB) and statistical tools. The article covers summary statistics, distributions, confidence intervals, and Bayesian reasoning, demonstrating how to calculate confidence intervals by analyzing Firefox bug tracking data, using Monte Carlo simulations for project time estimation, and applying Bayesian inference to update project completion probabilities. The article emphasizes the importance of data analysis skills for engineering leaders, enabling more precise predictions and decisions.

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(matt.blwt.io)
Development engineering leadership

Bank of North Dakota: A Century of Success, Boosting State's Economy

2024-12-18
Bank of North Dakota: A Century of Success, Boosting State's Economy

The Bank of North Dakota (BND) is the only state-owned and -operated general-service bank in the United States, established in 1919 to foster agriculture, commerce, and industry. It leverages state funds to provide loans and financial services for infrastructure projects, agriculture, and small businesses, and acts as a wholesale bank for local institutions. BND played a crucial role during the 2008 financial crisis and the 2020 COVID-19 pandemic, demonstrating its profitability and positive impact on the state's economy. Its unique model has made it a standout success story in the American financial system.

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(en.wikipedia.org)
Startup state-owned bank economic development financial services

Canva Engineering Cuts CI Build Times from Hours to Under 30 Minutes

2024-12-18
Canva Engineering Cuts CI Build Times from Hours to Under 30 Minutes

Canva's engineering team dramatically reduced their continuous integration (CI) build times, from an average of 80 minutes to under 30 minutes, sometimes as low as 15. This was achieved through a multifaceted approach. They identified and resolved Bazel caching issues, optimized pipeline structures, improved Git repository checkouts and caching, and leveraged Bazel Remote Build Execution (RBE). Extensive experimentation, including testing different instance types and adjusting Bazel configurations, played a crucial role. A series of incremental improvements significantly increased CI efficiency, reduced costs, and enhanced the developer experience.

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(www.canva.dev)
Development Continuous Integration CI Optimization

US Weighs Ban on TP-Link Routers Over Hacking Fears

2024-12-18
US Weighs Ban on TP-Link Routers Over Hacking Fears

The US government is considering a ban on TP-Link routers, a popular Chinese brand, due to national security concerns linked to cyberattacks. Investigations are underway by the Departments of Commerce, Defense, and Justice. TP-Link holds a 65% US market share, largely due to its low prices. A Microsoft report implicated TP-Link routers in ransomware and other cyberattacks launched by Chinese hackers. Investigators allege TP-Link fails to address vulnerabilities, and refuses to cooperate with cybersecurity experts. TP-Link claims its security practices meet industry standards and is committed to addressing US national security concerns. This action reflects broader US concerns about Chinese technology and efforts to restrict imports from China.

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(nypost.com)
Tech national security

Heat Accelerates Auto Chip Aging, Raising Safety Concerns

2024-12-18
Heat Accelerates Auto Chip Aging, Raising Safety Concerns

New research shows that automotive chips are aging significantly faster than expected in hot climates, shortening the lifespan of electric vehicles and potentially creating new safety issues. In areas like Phoenix, Arizona, where high temperatures can persist for weeks, cabin temperatures can reach 93°C, severely impacting chip longevity. Studies reveal that for a chip designed for a 30-year lifespan, high temperatures reduce life expectancy by an additional 10% annually. Chipmakers are working to address this, requiring new materials, design redundancy, and active cooling solutions. Increased chip utilization due to autonomous driving exacerbates the problem. Proactive monitoring and predictive failure analysis will become crucial, impacting both vehicle reliability and safety.

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(semiengineering.com)
Hardware automotive chips aging high temperatures

Cultural Evolution of Cooperation Among LLM Agents

2024-12-18
Cultural Evolution of Cooperation Among LLM Agents

Researchers investigated whether a 'society' of Large Language Model (LLM) agents can learn mutually beneficial social norms despite incentives to defect. Experiments revealed significant differences in the evolution of cooperation across base models, with Claude 3.5 Sonnet significantly outperforming Gemini 1.5 Flash and GPT-4o. Furthermore, Claude 3.5 Sonnet leveraged a costly punishment mechanism to achieve even higher scores, a feat not replicated by the other models. This study proposes a new benchmark for LLMs focused on the societal implications of LLM agent deployment, offering insights into building more robust and cooperative AI agents.

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(arxiv.org)
AI Cooperation Social Norms

Whittaker's Keynote at NDSS 2024: AI, Encryption, and a New Era of Threats

2024-12-18
Whittaker's Keynote at NDSS 2024: AI, Encryption, and a New Era of Threats

At the 2024 NDSS Symposium, Meredith Whittaker, president of the Signal Foundation, delivered a keynote address reflecting on the 'Crypto Wars' of the 90s. She highlighted how political, technical, and commercial pressures have shaped today's encryption landscape. Whittaker warned against viewing the current situation as simply 'Crypto Wars 2.0,' arguing that an economic engine driven by personal data, surveillance technology, and AI/ML poses a fundamentally different threat than the government-dominated encryption landscape of the 90s. She stressed the need for a new approach, with NDSS research at the forefront of this response.

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(www.ndss-symposium.org)
AI Encryption

Interpol Drops 'Pig Butchering' Term

2024-12-18
Interpol Drops 'Pig Butchering' Term

Interpol announced it will no longer use the term "pig butchering" to describe online scams, citing its potential to shame and discourage victims from reporting. The organization believes the term dehumanizes victims and prefers "romance baiting," a term it believes is more sensitive and respectful. This change highlights a shift towards prioritizing victim support and emphasizes the need for more considerate language when discussing sensitive crimes. However, many US law enforcement agencies continue to use the original term.

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(www.theregister.com)
Tech online scams Interpol victim support

Mystery Drone Sightings Continue to Plague US East Coast

2024-12-18
Mystery Drone Sightings Continue to Plague US East Coast

A wave of mysterious drone sightings is causing widespread concern and airspace closures along the US East Coast. These SUV-sized drones have been reported near military bases and airports in New Jersey and New York, disrupting air travel. While federal agencies are investigating, explanations remain elusive, with speculation ranging from political conspiracies to other unknown causes. The ongoing mystery fuels public anxiety and calls for swift resolution to prevent further disruptions and potential threats.

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(www.theregister.com)
Misc drones US East Coast airspace closures

Befriending Ancient Philosophers: A Path to Self-Improvement

2024-12-18
Befriending Ancient Philosophers: A Path to Self-Improvement

This article explores the unique practice of 'befriending' ancient philosophers. Author Helen De Cruz recounts her personal journey of deeply engaging with Mencius and his historical context, engaging in a mental dialogue that provided guidance and self-improvement. This 'timeless friendship' not only enhanced her understanding of philosophical texts but also equipped her to navigate professional challenges and life decisions by drawing on ancient wisdom, cultivating virtue, and ultimately living a more fulfilling life.

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(nautil.us)
Misc philosophy ancient wisdom self-improvement

Beyond NISQ: The Dawn of the Megaquop Machine

2024-12-18
Beyond NISQ: The Dawn of the Megaquop Machine

Caltech's John Preskill delivered a keynote address at the Q2B 2024 conference, discussing the potential transition from the NISQ (Noisy Intermediate-Scale Quantum) era to the Megaquop (million quantum operations) era. Megaquop machines are envisioned to execute millions of quantum operations, albeit with a still-high error rate. Through error mitigation techniques and potentially higher-quality physical qubits, they could achieve tasks beyond the reach of classical computers and NISQ machines. Significant progress from teams at Google, AWS, and others in quantum error correction and hardware improvements lays the groundwork for Megaquop machines. However, Preskill highlighted challenges including decoding speed for quantum error correction, mitigating cosmic ray interference, and identifying commercially viable applications. Future applications of Megaquop machines might include simulations of complex quantum systems and materials science research.

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(quantumfrontiers.com)
AI Quantum Computing Quantum Error Correction

GitHub Project ted: A Turing Machine-based File Editor

2024-12-18
GitHub Project ted: A Turing Machine-based File Editor

ted is a command-line tool written in Go that allows users to edit files according to the rules of a provided Turing machine. Inspired by the author's need to process log files, ted uses state machines to precisely extract the desired information. It supports various operations, including regular expression matching, sed command execution, variable assignment, capture and output control, and offers features such as multi-line capture, regex capture groups, and file head/tail movement.

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(github.com)
Development Turing Machine File Editing State Machine

Homescreen App: Redefining Your Home Screen Experience

2024-12-18

Homescreen is an app designed to revolutionize the home screen experience on your phone. Breaking free from the limitations of traditional phone desktops, it offers users a more personalized, efficient, and convenient way to interact with their devices. Users can customize widgets, themes, and layouts to create a unique home screen, boosting productivity and enjoyment. Homescreen isn't just a simple desktop replacement; it's a refreshing approach to how we use our phones.

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(homescreen.app)
Development phone home screen customization productivity

From Pickle Maker to King: The Untold Story of Khalid Sheldrake

2024-12-18
From Pickle Maker to King: The Untold Story of Khalid Sheldrake

Bertie Sheldrake, grandson of a London pickle manufacturer, converted to Islam, changing his name to Khalid. He became a prominent figure in the British Muslim community, founding journals and ultimately accepting the kingship of the short-lived Islamic Republic of East Turkestan in Xinjiang. This incredible journey, from ordinary London life to a faraway kingdom and back to obscurity, adds a fascinating chapter to the history of 20th-century British Islam.

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(www.nationalarchives.gov.uk)
Misc British History Islam

Reclaiming Sensor Data: Breaking Free from the Cloud

2024-12-18
Reclaiming Sensor Data: Breaking Free from the Cloud

This article details how an embedded software engineer regained control of data from a cloud-connected radon sensor by bypassing the manufacturer's servers. By analyzing network traffic, the engineer discovered a vulnerability where the sensor didn't properly validate server certificates. Leveraging a local DNS server and a custom Python web server, the engineer successfully intercepted and read the raw sensor data. This grants programmatic access and ensures continued functionality even if the manufacturer's servers go down. The article highlights the importance of network security and the privacy risks associated with DNS traffic.

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(embeddedartistry.com)
Development IoT security data autonomy embedded systems

Egyptian Fractions: A Journey Through Ancient Mathematics

2024-12-18

This article explores the fascinating world of Egyptian fractions, a unique mathematical system used by ancient Egyptians. Unlike modern fractions, Egyptian fractions only use unit fractions (fractions with a numerator of 1) and all denominators must be distinct. The article traces the history of Egyptian fractions, focusing on the Rhind Mathematical Papyrus, and examines their practical applications, such as fairly dividing resources. It introduces the greedy algorithm for finding Egyptian fractions and methods for finding the shortest ones, also exploring related unsolved mathematical problems, including the Erdős–Straus conjecture.

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(r-knott.surrey.ac.uk)
Misc Egyptian fractions Rhind Mathematical Papyrus Number theory Mathematics history Algorithms

Browser Extension 'refoorest' Accused of Fraudulent Tree-Planting Scheme

2024-12-18
Browser Extension 'refoorest' Accused of Fraudulent Tree-Planting Scheme

An investigation into Colibri Hero's browser extension, refoorest, and its Impact Hero SDK reveals a deceptive affiliate marketing scheme disguised as a tree-planting initiative. The extension misrepresents the number of trees planted, exploits user data through incentivized reviews and sharing, and the SDK gains excessive user permissions without proper disclosure, violating Chrome Web Store policies. The article exposes a pattern of opaque practices, including fake testimonials, financial secrecy, and data security vulnerabilities, casting serious doubt on the company's claims of environmental responsibility.

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(palant.info)
Development affiliate marketing data fraud

2024 World Chess Championship: A Data-Driven Deep Dive

2024-12-18
2024 World Chess Championship: A Data-Driven Deep Dive

The 2024 World Chess Championship saw Gukesh Dommaraju triumph over Ding Liren, becoming the youngest World Champion ever. This analysis uses data-driven insights, including accuracy, error types, average centipawn loss, move times, conversion rate, and comeback rate, to dissect the match. Data suggests Ding Liren exhibited slightly higher precision and consistency, but a crucial blunder in the final game proved decisive. The author concludes that while data analysis offers an objective perspective, it needs to be combined with other factors for a holistic understanding of the match's complexities.

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(medium.com)
Game data analysis

Frankfurt Silver Amulet Rewrites Early Christian History

2024-12-18
Frankfurt Silver Amulet Rewrites Early Christian History

Archaeologists unearthed a groundbreaking artifact in a 3rd-century Roman grave near Frankfurt, Germany: a silver amulet, the "Frankfurt Silver Inscription." Dating back to 230-270 CE, this amulet predates previously known Christian artifacts in the region by almost 50 years. Its inscription, deciphered using advanced technology, contains exclusively Christian content, including invocations to Jesus Christ and biblical quotations. This discovery significantly pushes back the timeline of Christianity's presence north of the Alps, shedding light on its early spread and influence in Roman Germania. The find has major implications for archaeology, theology, and Roman history.

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(archaeologymag.com)
Misc Christianity Archaeological Discovery Roman Empire

GPS Technology Explained: From Simple Positioning to Global Navigation

2024-12-18
GPS Technology Explained: From Simple Positioning to Global Navigation

This article provides a comprehensive explanation of GPS technology. Starting with a simple 2D positioning system, the author gradually introduces key concepts such as 3D positioning, time measurement, satellite orbits, relativistic effects, and signal processing. Through clever analogies and vivid illustrations, the author explains how GPS uses signals emitted by satellites, combined with time and distance measurements, to accurately calculate the receiver's position and time offset. The article also explores the technical details of GPS signal encoding, decoding, and anti-interference capabilities, showcasing the profound scientific and engineering foundation behind GPS technology.

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(ciechanow.ski)
Tech Global Positioning System Satellite Navigation

Railway: Automating Revenue, Not Sales

2024-12-18
Railway: Automating Revenue, Not Sales

Railway shares its journey of shifting from traditional sales to automated revenue growth. Initial attempts at traditional sales proved ineffective. They pivoted to a product-led growth (PLG) model and developed a regression model to predict customer upgrades or churn. This model uses factors like successful/failed builds, configured regions, support requests, and feature adoption to score customers, identifying those needing assistance. Proactive support and this targeted approach boosted revenue and customer satisfaction, leading to sustainable business growth.

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(blog.railway.com)
Startup automated revenue product-led growth regression model

Japan's $33 Billion Gamble on Chip Manufacturing

2024-12-18
Japan's $33 Billion Gamble on Chip Manufacturing

Japan is investing $33 billion in building semiconductor factories in remote areas like Hokkaido, aiming to reclaim its dominance in the chip industry. This has created a construction boom and attracted a large workforce, a stark contrast to the region's relatively sluggish job market. The ambitious project is a high-stakes gamble, but reflects Japan's determination to return to the forefront of technological innovation.

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(www.bloomberg.com)
Tech chip manufacturing Japanese investment

Optimizing Ruby's JSON: Part 1

2024-12-18

This blog post details how the author optimized Ruby's `json` gem to become one of the fastest JSON parsers and generators. Instead of complex techniques, simple optimizations were applied based on profiling, such as avoiding redundant checks, prioritizing cheaper conditions, reducing setup costs, and using lookup tables. These improvements apply to both C and Ruby code. The optimizations significantly boosted the `json` gem's performance, making it competitive with alternatives like `oj`, reducing the need for monkey patching, and addressing stability and compatibility issues associated with `oj`.

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(byroot.github.io)
Development Performance Optimization

No More Adam: Learning Rate Scaling at Initialization is All You Need

2024-12-18
No More Adam: Learning Rate Scaling at Initialization is All You Need

Researchers introduce SGD-SaI, a novel optimizer improving stochastic gradient descent. SGD-SaI addresses training imbalances by scaling learning rates at initialization for different parameter groups based on their gradient signal-to-noise ratios. Significantly more memory-efficient than AdamW, SGD-SaI matches or surpasses AdamW's performance across various Transformer-based tasks, including ImageNet classification and LLM pretraining. Its robustness and practicality are demonstrated across diverse applications, making it a compelling alternative.

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(arxiv.org)
AI

ImPlot3D: A High-Performance Immediate Mode 3D Plotting Library Based on Dear ImGui

2024-12-18
ImPlot3D: A High-Performance Immediate Mode 3D Plotting Library Based on Dear ImGui

ImPlot3D is an open-source library built on top of Dear ImGui, offering developers an easy-to-use, high-performance way to create 3D plots. Independent of ImPlot, ImPlot3D supports various 3D plot types, including line plots, scatter plots, surface plots, and mesh plots, with interactive rotation, panning, and zooming. Its intuitive API, similar to Dear ImGui and ImPlot, allows for quick integration and customization of markers, lines, surfaces, and mesh styles, with options for built-in or custom colormaps. A comprehensive demo application aids users in learning and utilizing its features.

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(github.com)
Development 3D plotting

Python Meta-Circular Interpreter: Implementing a Python Interpreter in Python

2024-12-18

This article demonstrates how to create a Python meta-circular interpreter (MCI) using Python itself. An MCI is an interpreter written in the language it interprets, allowing implementation of a subset or superset of the host language. The author details the MCI's implementation, covering parsing Python source code, building an Abstract Syntax Tree (AST), traversing the AST and executing statements, and crucial concepts like scoping, symbol tables, and handling control flow statements (e.g., while loops and if statements). This example provides a deep understanding of interpreter mechanics and showcases how to leverage Python's AST module and built-in functions to build more complex interpreters.

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(rahul.gopinath.org)
Development Meta-circular Interpreter
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