Manuel Martín Morante — Writing https://manumartinm.tech Technical deep dives and personal essays on computing, mathematics, and life. About achieving dreams https://manumartinm.tech/blog/about-achieving-dreams essay Hace una semana firmé mi sueño de mudarme a USA a montar una empresa. Reflexiones sobre el sacrificio, el coste personal y la realidad tras alcanzar una meta. Sun, 06 Sep 2026 00:00:00 GMT Rotary Positional Embeddings in CUDA: From Math to High-Performance Kernels https://manumartinm.tech/blog/rotary-positional-embeddings-cuda technical A practical deep dive into Rotary Positional Embeddings (RoPE) in CUDA: mathematical derivation, tensor layouts, coalesced and vectorized memory access, and effective bandwidth optimization on modern GPUs. Sun, 06 Sep 2026 00:00:00 GMT A la vida hay que echarle pelotas https://manumartinm.tech/blog/a-la-vida-hay-que-echarle-pelotas essay Agency, ownership y todo eso: en el idioma de mi abuela era echarle pelotas. Nadie te regala nada; hay que tocar todas las puertas. Tue, 21 Jul 2026 00:00:00 GMT ClickHouse Physical Merge Strategies: Horizontal, Vertical, and a Hybrid in C++ https://manumartinm.tech/blog/clickhouse-physical-merge-strategies technical A practical deep dive into physical merge algorithms in MergeTree: why ClickHouse uses horizontal and vertical merges, what trade-offs they optimize, and what we learn from building a hybrid adaptive chunked merge in C++. Mon, 15 Jun 2026 00:00:00 GMT Reflexiones sobre el mundo Startup y VC https://manumartinm.tech/blog/reflexiones-startup-vc essay Reflexiones personales sobre el futuro del mundo SaaS, la inversión de capital riesgo y la oportunidad en deep tech y ciencias básicas. Mon, 15 Jun 2026 00:00:00 GMT Boltzmann Generators: Sampling Equilibrium States with Deep Learning https://manumartinm.tech/blog/boltzmann-generators technical A technical deep dive into Boltzmann Generators, exploring how Normalizing Flows can directly sample equilibrium states of many-body systems, complete with a from-scratch PyTorch implementation of RealNVP and Flow Matching on 2D potentials. Sun, 14 Jun 2026 00:00:00 GMT TileKernels in the DeepSeek-V4 Era https://manumartinm.tech/blog/tile-kernels-deepseek-v4 technical How TileKernels maps low-level GPU kernels to DeepSeek-V4 ideas like compressed long-context attention and manifold-constrained residual routing, with a small worked example and a practical test-reading workflow. Sun, 31 May 2026 00:00:00 GMT Building a Go CLI to Compare Diff Algorithms https://manumartinm.tech/blog/building-a-go-cli-to-compare-diff-algorithms technical A practical case study in building a Go CLI that compares LCS, Myers, Patience, and Histogram diff algorithms, with unified output, benchmarks, and the trade-offs that actually matter. Sun, 19 Apr 2026 00:00:00 GMT Making Matrix Multiplication Fast: From Naive Loops to AVX2, and Why Neural Networks Care https://manumartinm.tech/blog/matrix-multiplication-neural-networks technical A hands-on journey through optimizing GEMM in C++17 — cache blocking, AVX2 intrinsics, OpenMP parallelism — and how every dense layer in a neural network is just a matrix multiply in disguise. Mon, 06 Apr 2026 00:00:00 GMT Sobre los últimos 10 años https://manumartinm.tech/blog/last-ten-years essay Reflections on the last 10 years of my life. Mon, 23 Mar 2026 00:00:00 GMT Building a Kafka-Style Distributed Queue in Rust from Scratch https://manumartinm.tech/blog/distributed-queue-rust technical A practical deep dive into implementing a distributed message queue in Rust: WAL segments, partition replication, ZooKeeper coordination, consumer groups, and real failure handling trade-offs. Mon, 09 Mar 2026 00:00:00 GMT Minimal Implementation of ClickHouse MergeTree from Scratch https://manumartinm.tech/blog/clickhouse-mergetree technical Reflections from working at Tinybird processing millions of events per second. A deep dive into building a minimal but functional MergeTree engine in C++, connecting academic theory with production reality. Sun, 11 Jan 2026 00:00:00 GMT