How OLED & LTPO Enable Always-On Displays
Doogal Simpson
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Archive
133 posts published so far
Why Mobile CPUs Have Performance & Efficiency Cores
Doogal Simpson
Amdahl's Law: Why More CPU Cores Don't Make Code Faster
Doogal Simpson
Why Quantum Computers Won't Replace Classical Computing
Doogal Simpson
Spotify's Approximate Nearest Neighbor Search
Doogal Simpson
How Face ID Works: Infrared Lasers & Neural Networks
Doogal Simpson
Networking Logic: How Your Data Navigates the Internet
Doogal Simpson
What About Second HTTP? Solving the 100-File Connection Bottleneck
Doogal Simpson
The 600ms Tax: Why Every TCP Connection Starts with a State Negotiation
Doogal Simpson
TCP Exponential Backoff: Why Your Retries are Doubling
Doogal Simpson
TCP: Why the Internet Works Even When It's Broken
Doogal Simpson
Fixing Biased Entropy: The Von Neumann Unbiasing Trick
Doogal Simpson
Why Your Computer Can't Just Pick a Number: Navigating the Spectrum of Randomness
Doogal Simpson
The 'Top 1%' Hiring Myth: It’s a Ratio, Not a Talent Rank
Doogal Simpson
Git Internals: Why Your Commits Aren't Actually Diffs
Doogal Simpson
Your JavaScript Array is a Hash Map in Disguise
Doogal Simpson
Scalable Proximity Search: Why Geohashing Beats Radius Queries
Doogal Simpson
Beyond the Haversine Formula: Why I Use Geohashing for Spatial Search
Doogal Simpson
Why Your Database Hates COUNT(DISTINCT) and Why HyperLogLog is the Cure
Doogal Simpson
Stop Joining Millions of Rows for Every Single Swipe
Doogal Simpson
How Big Tech Scales View Counts: The Power of HyperLogLog and Harmonic Means
Doogal Simpson
How to build a profanity filter that actually works
Doogal Simpson
How Docker Actually Works: A Deep Dive into Namespaces and Cgroups
Doogal Simpson
Scaling Profanity Filters: Why I Use Tries for Real-Time Chat
Doogal Simpson
Why Your Linked List Wants to Be a Bloody Tree
Doogal Simpson