Swayam Singal | Field Notes & Essays https://swayamsingal.vercel.app/blog Build logs, mechanics, technical guides, graphics, AI systems, and portfolio engineering. en-us Wed, 29 Jul 2026 18:15:49 GMT How Game Physics Actually Works: Building KairoPhysicsMath in C++23 https://swayamsingal.vercel.app/blog?post=https%3A%2F%2Fmedium.com%2Fp%2F20ad30bc21af https://swayamsingal.vercel.app/blog?post=https%3A%2F%2Fmedium.com%2Fp%2F20ad30bc21af Wed, 29 Jul 2026 00:00:00 GMT Mass, inertia, forces, impulses, numerical integration, and the mathematics beneath a rigid-body physics engine When two objects collide in a game, we see an event. A ball strikes the floor. A crate falls from a platform... A Game World Can Contain Millions of Objects. The Engine Should Not Search All of Them. https://swayamsingal.vercel.app/blog?post=https%3A%2F%2Fmedium.com%2Fp%2F1501858f303e https://swayamsingal.vercel.app/blog?post=https%3A%2F%2Fmedium.com%2Fp%2F1501858f303e Tue, 28 Jul 2026 00:00:00 GMT Building KairoSpatial: BVHs, dynamic trees, spatial hashing, octrees, nearest-neighbour search, A* navigation — and the invisible systems that make large virtual worlds possible Imagine standing in a city and asking: Whi... Geometry Is Where a Game Engine Learns What “Touching” Means https://swayamsingal.vercel.app/blog?post=https%3A%2F%2Fmedium.com%2Fp%2Ff38d5103e953 https://swayamsingal.vercel.app/blog?post=https%3A%2F%2Fmedium.com%2Fp%2Ff38d5103e953 Mon, 27 Jul 2026 00:00:00 GMT Building KairoGeometry with C++23 Modules, allocation-free primitives, ray queries, SAT intersections — and the uncomfortable edge cases hiding between shapes A vector gives an engine coordinates. Geometry gives those co... I Started With Vec3. I Ended Up Building a Numerical Foundation for a Game Engine https://swayamsingal.vercel.app/blog?post=https%3A%2F%2Fmedium.com%2Fp%2F79c718a82c76 https://swayamsingal.vercel.app/blog?post=https%3A%2F%2Fmedium.com%2Fp%2F79c718a82c76 Sun, 26 Jul 2026 00:00:00 GMT Inside KairoMath: C++23 modules, robust linear algebra, tensors, automatic differentiation — and the imperfect process of learning to own the mathematics beneath an engine There is a point in game-engine development when... NanoQuant v3: Building a C++ Foundation for Local LLM Compression https://swayamsingal.vercel.app/blog?post=https%3A%2F%2Fmedium.com%2Fp%2Ffb19cb873f71 https://swayamsingal.vercel.app/blog?post=https%3A%2F%2Fmedium.com%2Fp%2Ffb19cb873f71 Thu, 23 Jul 2026 00:00:00 GMT A systems-focused rebuild of NanoQuant around int4 quantization, one-bit tensor compression, packed memory layouts, GGUF inspection, optional Metal paths, and practical local inference workflows. The problem: model compr... Building ReliQuary: A Context-Bound Cryptographic Memory System https://swayamsingal.vercel.app/blog?post=https%3A%2F%2Fmedium.com%2Fp%2Fb07f6bc1f8e0 https://swayamsingal.vercel.app/blog?post=https%3A%2F%2Fmedium.com%2Fp%2Fb07f6bc1f8e0 Thu, 23 Jul 2026 00:00:00 GMT A research-engineering case study on designing a vault system where sensitive data is not released just because someone knows an ID, but because identity, context, trust, policy, and auditability line up. The problem: se... Building Sentinel: A Local LLM Security Gateway for Safer AI Requests https://swayamsingal.vercel.app/blog?post=https%3A%2F%2Fmedium.com%2Fp%2F9fcf6a30906f https://swayamsingal.vercel.app/blog?post=https%3A%2F%2Fmedium.com%2Fp%2F9fcf6a30906f Sun, 05 Jul 2026 00:00:00 GMT A technical case study on designing an OpenAI-compatible gateway that sits between applications and LLM providers, with request handling, sensitive-data detection, redaction ideas, crypto primitives, auditability, and pr... Building an SME Finance Hub with React, Supabase, GST Logic, and Row Level Security https://swayamsingal.vercel.app/blog?post=https%3A%2F%2Fmedium.com%2Fp%2F0db685d7c5e6 https://swayamsingal.vercel.app/blog?post=https%3A%2F%2Fmedium.com%2Fp%2F0db685d7c5e6 Sun, 05 Jul 2026 00:00:00 GMT A case study on designing a finance dashboard for Indian SMEs, with invoicing, expenses, GST compliance, authentication, data isolation, and a security-first database structure. The problem: SME finance is not just about... The Art of Living the Lie: An Invitation to the Blank Page https://swayamsingal.vercel.app/blog?post=https%3A%2F%2Fmedium.com%2Fp%2F3958b78c93d6 https://swayamsingal.vercel.app/blog?post=https%3A%2F%2Fmedium.com%2Fp%2F3958b78c93d6 Fri, 15 May 2026 00:00:00 GMT This will be worth your time. It’s not a normal linkedIn post or a new blog I’ve written, it’s a whole book. MY FIRST BOOK- https://www.amazon.in/dp/B0H1W7MMXK What you see here is just an amazon link, what is it actua... I Pitted SGLang Against LMDeploy on an NVIDIA A40. Here is Why “Smarter” Algorithms Lost. https://swayamsingal.vercel.app/blog?post=https%3A%2F%2Fmedium.com%2Fp%2Fbe5bf234dc0c https://swayamsingal.vercel.app/blog?post=https%3A%2F%2Fmedium.com%2Fp%2Fbe5bf234dc0c Sun, 14 Dec 2025 00:00:00 GMT Surviving the AI bubble requires more than just calling APIs. It requires understanding the physics of the machine. Here is what happened when I benchmarked Prefix Caching against Kernel Fusion. SGlang The “Wrapper” Tra...