// TODO: I’m martinuke0

Welcome to my corner of the internet. This website is a personal blog which I use as a platform to document my learning journey and showcase it for the world to see.

A layered graph representing hierarchical navigable small world structure

Build a Mini HNSW Vector Index from Scratch in Python

Implement a compact HNSW index from scratch, demonstrating real systems skills for portfolio projects.

Hands-On Build Guide: Batched LLM Token Sampler in Pure NumPy

Build a pure‑NumPy batched token sampler with temperature, top‑k, nucleus, and repetition penalty; ready to run and extend for CV demonstrations.

Illustration of a tiled self-attention block with KV cache

Building a FlashAttention-Style Tiled Self-Attention Block in NumPy

This post walks through building a FlashAttention-style tiled self-attention block in NumPy, covering online softmax, KV caching, and performance benchmarks.

Diagram of a byte-level BPE tokenizer pipeline

Building a Production-Grade Byte-Level BPE Tokenizer in Pure Python

A step-by-step guide to building a byte-level BPE tokenizer with regex pre-tokenization, trie encoding, and JSON serialization in pure Python.

User Safety: Safe-by-Design Patterns for Modern Applications

A practical guide to safe-by-design user-facing systems, covering authentication patterns, fault tolerance, and real-world failure modes at scale.

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