Systems & AI engineer · South Brittany

I go one level down when a problem resists.

AI architectures, CPU inference, Rust, assembly when it is needed. I write the articles I wish I had read. Soon, the courses that go with them.

latest article
October 11, 2026One level down, or several... #001
One level down: #001 a compiler for an LLM engine

How Herbert writes its code at startup, what it gives at decode and at prefill against llama.cpp, vLLM and OpenVINO, measured with the published binary, predictions written beforehand. And the question it raises: can a GPU do as much?
article series
ongoing2 / ∞
One level down, or several...
00One level down: #000 an inference engine that writes its own code 01One level down: #001 a compiler for an LLM engine
complete4 / 4
AI agents methodology
01A methodology for building AI agents 02One source of truth per role: the silent trap of agentic systems 03Optimizing an AI agent's context: eco & logical 04Markdown as insurance: why your agentic method must outlive the model
complete2 / 2
CPU Inference
00CPU Inference #0: understand before optimizing 01CPU Inference #1: The three regimes
videos6 / 6
PriorityQueue in Rust
▶PriorityQueue - Rust #001 ▶PriorityQueue - Rust #002 - Fairness ▶PriorityQueue - Rust #003 - Multithreading ▶PriorityQueue - Rust #004 - Blocking Dequeue ▶PriorityQueue - Rust #005 - Graceful Shutdown ▶PriorityQueue - Rust #006 - async/await
archive
2026
10-11One level down: #001 a compiler for an LLM engineOne level down, or several... 10-03One level down: #000 an inference engine that writes its own codeOne level down, or several... 06-02Friction or evaporation: two regimes of AI transformation in SMEs 05-04The model that drops digits: picking an LLM architecture per agentic link 04-10Markdown as insurance: why your agentic method must outlive the modelAI agents methodology 04-09Optimizing an AI agent's context: eco & logicalAI agents methodology 04-08One source of truth per role: the silent trap of agentic systemsAI agents methodology 04-07A methodology for building AI agentsAI agents methodology 04-04Open-source LLMs in April 2026: landscape and observations 03-15CPU Inference #0: understand before optimizingCPU Inference 02-20CPU Inference #1: The three regimesCPU Inference 02-17Qwen3 vs Qwen3.5: What Actually Changes 02-13From gpt2-experiments to qwen3-experiments-rs: The Memory Wall 02-07Tile-major layout and transformer memory allocations
+ 44 older articles
2026
02-05OPNI: when the Vibe Coder forgets the Stop button 01-30Generative AI and Software Liability: What Changes in 2026 01-20Beating PyTorch with Rust and 180 Lines of Assembly 01-15How tech is losing its craft
2025
11-16PriorityQueue - Rust #006 - async/awaitPriorityQueue in Rust 11-09PriorityQueue - Rust #005 - Graceful ShutdownPriorityQueue in Rust 11-02PriorityQueue - Rust #004 - Blocking DequeuePriorityQueue in Rust 11-02Cursor and Windsurf Run on Chinese AI Models 10-26PriorityQueue - Rust #003 - MultithreadingPriorityQueue in Rust 10-17PriorityQueue - Rust #002 - FairnessPriorityQueue in Rust 10-10PriorityQueue - Rust #001PriorityQueue in Rust 08-24Test Your Rust Knowledge 08-23Deep Dive into Safe Concurrency with Rust 08-22Rust and Miri: Beyond the Compiler for Memory Safety 08-17Real Costs of Matrix Multiplication (Unoptimized)video 08-15Virtual Memory, TLBs and NX Bit Simulation: A Journey into x86 32-bit 08-14Tenstorrent and Float Multiplication, and Why SLMs Are the Future 08-13Active Testing: Testing LLMs the Smart Way 08-10Qwen3 vs GPT-OSS: CPU Benchmark Without GPU 08-09MXFP4: Revolution or Evolution? 08-09Plan 9: An Operating System That Shaped My Career 08-08Why AI Slows Down as the Conversation Grows 08-05Business Debt: When Teams Shape Systems That Last 08-04KV Cache Optimization in LLMs 08-02Towards Energy-Efficient Conversational AI 08-01RAG: AI Without Hallucinations 07-31Kafka, Pulsar or Ray? A Comparison for Distributed AI 07-30Three-Body System: Thinking Distributed AI with Rust 07-29Why I Designed My Own LLM Orchestrator in Rust 07-28The Case for Sovereign and Frugal AI 07-25America Accelerates on AI: What About France? 07-25Why LLMs Sometimes Get Stuck in Loops
2019
06-11Go MySQL Tutorial [Part 2: Connection and Configuration]Go MySQL Tutorial 06-11Go MySQL Tutorial [Part 3: Data Transfer]Go MySQL Tutorial 06-11Go MySQL Tutorial [Part 1: Installation]Go MySQL Tutorial 06-11Go MySQL Tutorial [Part 4: Transactions]Go MySQL Tutorial 06-10Dive into Go API 02-28Cloud Act, Patriot Act, GDPR 01-15My readings: Space Opera
2018
10-21Sequence Models course certificate on Coursera 08-25Blogging with Hugo website generator 05-24'Neural Networks and Deep Learning' or why I like KISS
2015
11-25100 Years of General Relativity 04-01Plan9 Operating System