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Recent projects

Research, tools and a few things I built to see whether they would work. Grouped by kind, roughly newest first within each group.

Research

  • Research
  • Systems
The Capacity Wall

The Capacity Wall

Video VLM serving is bound by KV cache capacity, not bandwidth: 113× fewer users

  • Research
  • Continual Learning
WMF Benchmark

WMF Benchmark

Measuring how world models forget: under review at CL4FMAgents @ NeurIPS 2026 (non-archival workshop)

  • Research
  • Deep Learning
HybridMamba-11

HybridMamba-11

31.8M params in 13.6 MB, the first SSM entry in OpenAI Parameter Golf

  • Research
  • LLMs
Multilingual LLM Benchmark

Multilingual Benchmark

Chinese vs. Western frontier models across nine languages

  • Dataset
  • Evaluation
Agentic Reasoning Traces

Agentic Reasoning Traces

15 traces, 142 steps, three of them wrong on purpose

Systems

  • GPU Kernels
  • CUDA
Selective-scan CUDA kernels

Selective-scan CUDA kernels

Five kernels for the Mamba recurrence, up to 91.5% of peak memory bandwidth

  • Applied AI
  • Rust
Perseo

Perseo

My longest-running project: a personal assistant that listens and watches

  • Agents
  • Automation
NightShift

NightShift

A queue that ships code while I sleep: 27 done

  • Applied AI
  • LLMs
MAGI

MAGI

Three personas answer at once and one veto sinks the verdict

  • Applied AI
  • Audio
ClassTranscriber

ClassTranscriber

Lectures into speaker-separated notes, all running locally

  • Applied AI
  • Full-Stack
AutoLinkedIn

AutoLinkedIn

Retrieval-augmented drafting from my own writing (paused)

  • Applied AI
  • Experience
OrgaAI

OrgaAI

Conversational AI under NDA, so most of it I can't tell you

Tools I use daily

  • Personal Tools
  • Full-Stack
Kotoba

Kotoba

The entire JLPT, spaced: 20,785 cards, no dependencies

  • Personal Tools
  • Full-Stack
Armario

Armario

Outfits from the real forecast: rules I can read, no model

Ventures & speaking

  • Product
  • Leadership
Netkey

Netkey

NFC networking startup where I was CTO

  • Speaking
  • Robotics
Telefonica

Telefónica

NB-IoT and swarm robotics talks in Seville

  • Speaking
  • Strategy
Sputnik

Sputnik

The seminar that changed how I pick problems

  • Venture
  • Leadership
ByTheWay

ByTheWay

An early venture I co-founded

Early work

  • Computer Vision
  • Early Work
AI Mouse

AI Mouse

Turning a hand into a pointing device

  • Computer Vision
  • Early Work
Face detection

Face Detection

Where I learned that a working demo is not a system