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DeepSeek-R1 Implementation Details and Architectural Analysis

DeepSeek-R1 achieves human-level reasoning on complex math and coding tasks through pure reinforcement learning without traditional supervised training.

A Unified Transformer-Based Approach to Multi-View, Spatiotemporal, and Linguistic Representations for Autonomous Driving

Modern autonomous driving perception faces extreme data volume and semantic depth complexity. Such systems must integrate multi-camera image streams into a stable three-dimensional world model, align observations over time to handle dynamic scenarios.

Building ScribeAI: Real-Time On-Device Medical Transcription for Healthcare Professionals

Table of Contents 1. Introduction * Overview of ScribeAI * Motivation Behind the Project 2. Understanding the Challenges * Real-Time On-Device Transcription * Privacy Considerations in Medical Data * Performance Constraints on Mobile Devices 3. Technology Stack * Leveraging OpenAI's Whisper Model * Integration with Core ML * Utilizing iOS 17 Features 4. Model Conversion and

Analysis of Chromium issue 1196683, 1195777

On April 12, a code commit[1] in Chromium get people’s attention. This is a bugfix for some vulnerability in Chromium Javascript engine v8. At the same time, the regression test case regress-1196683.js for this bugfix was also submitted. Based on this regression test case, some security researcher

AWS Startup Security Baseline (AWS SSB)

AWS Startup Security Baseline (AWS SSB) The Amazon Web Services (AWS) Startup Security Baseline (SSB) is a set of controls that create a minimum foundation for businesses to build securely on AWS without decreasing their agility. The controls in this guide are designed with early startups in mind, mitigating the

Ctrl-C: Why Programmers Can’t "Reset" Programs With Ctrl-C, but Used to Be Able To, and Why They Should Be Able to Again

When a programmer presses ctrl-c inside of a command-line program, that program should stop what it’s doing, return to the nearest sensible restart position, and allow you to continue where you left off. This isn’t much different from insisting on “one-button builds,” except it’s an older phenomenon.

AES-1024 military grade encryption broken

This post is an analysis of a file encryption solution that claimed to implement “AES-1024 military grade encryption“. Spoiler alert: I did not break AES, and this work does not concern the security of AES. You may find advanced research regarding this topic. This project started during a forensic analysis.

lockdown browser reverse engineered

This analysis was the culmination of a ~6 month journey. It is unfortunate, that the software considered the “gold standard” for remote proctored exams is in the current state it is. This post was motivated purely for informational purposes and I do not condone any of the following contents. This

A plain english introduction to CAP Theorem

CAP Theorem explained You’ll often hear about the CAP theorem which specifies some kind of an upper limit when designing distributed systems. As with most of my other introduction tutorials, lets try understanding CAP by comparing it with a real world situation. Chapter 1: “Remembrance Inc” Your new venture

Fault tolerant distributed system failure; real world example and mitigation

Starting October 28th and fully resolving on October 31st, Roblox experienced a 73-hour outage.¹ Fifty million players regularly use Roblox every day and, to create the experience our players expect, our scale involves hundreds of internal online services. As with any large-scale service, we have service interruptions from time to

systemd, 10 years later: a historical and technical retrospective

10 years ago, systemd was announced and swiftly rose to become one of the most persistently controversial and polarizing pieces of software in recent history, and especially in the GNU/Linux world. The quality and nature of debate has not improved in the least from the major flame wars around

Visualizing Bayes Theorem

I recently came up with what I think is an intuitive way to explain Bayes’ Theorem. I searched in google for a while and could not find any article that explains it in this particular way. Of course there’s the wikipedia page, that long article by Yudkowsky, and a

james webb

JWST sequential ranging

I decoded a recording I made with the Allen Telescope Array. I used an IQ sample rate of 3.84 Msps when doing this recording because I wanted to see if there were any ranging signals. Usually, ranging signals have a bandwidth of 1.5 MHz or less in baseband,

amazon servers slow

How a Single Line of Code Made a 24-core Server Slower Than a Laptop

Imagine that you wrote a program for a problem that is very easy to solve. Each thread does its own piece of work, and the threads don’t have to work together except to combine their results at the end. The more cores it runs on, the faster it is.

pytorch conv2d

From TensorFlow and PyTorch to Jax and Julia: Engineering Trade-Offs in Automatic Differentiation

In order to understand the differences between automatic differentiation libraries, let’s talk about the trade-offs that were made by the people who made them. I would say that none of these libraries are better than the other. They all make engineering decisions based on the domains and use cases

Cloud Security

An introduction to Ghidra's primary components

When you start using a new reverse engineering platform for the first time, it can be hard to get used to it. It’s too much information. I don’t know what I should be looking at. A window is a place where you can look out and see what

neural networks and baseball

Fully Convolutional One-Stage Object Detection (FCOS)

Hello there. I took a break from my Internet activity but here I am again. In this piece, I am writing about Fully Convolutional One-Stage Object Detection (FCOS), which was published after YOLOv3 but before YOLOv4. Therefore, I feel like it is important to look at it first. Also, I

eth mev support

MEV on Eth 2.0: Flashbots, Snipers, and Stolen NFTs

Let us first define the acronyms states above: * MEV stands for “Miner Extractable Value” or “Maximal Extractable Value.” It refers to the extraction of value from Ethereum users by reordering, inserting, and censoring transactions within blocks. * Flashbots is an enhancement to the Ethereum protocol that adds a network layer for

apple ios security

Apple's Secure Enclave Processor (SEP): an indepth overview and mechanism

Introduction Apple designed the iOS platform with security at its core. When we set out to create the best possible mobile OS, we drew from decades of experience to build an entirely new architecture. We thought about the security hazards of the desktop environment, and established a new approach to

backdoor

THE INVISIBLE JAVASCRIPT BACKDOOR

A few months ago we saw a post on the r/programminghorror subreddit: A developer describes the struggle of identifying a syntax error resulting from an invisible Unicode character hidden in JavaScript source code. This post inspired an idea: What if a backdoor literally cannot be seen and thus evades

fizzbuzz 2

Fastest FizzBuzz Program Implementation

Fizz Buzz is a common challenge given during interviews. The challenge goes something like this: Write a program that prints the numbers from 1 to n. If a number is divisible by 3, write Fizz instead. If a number is divisible by 5, write Buzz instead. However, if the number

software architecture

Software Architecture Patterns

Why should you learn at least the basic Architecture Patterns as Software Engineer? I believe there are many articles answering to this question, but I will give you a few reasons to consider. First of all, if you know the basics of architecture patterns, then it is easier for you

bayesian analysis

Bayesian histograms for rare event classification

Bayesian histograms are a stupidly fast, simple, and nonparametric way to find how rare event probabilities depend on a variable (with uncertainties!). My implementation of Bayesian histograms is available as the Python package bayeshist. So if you think this could be useful, just install the package and try it out:

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