LECS
Laboratoire pour les systèmes informatiques émergents
Université Concordia · Montréal

Articles & notes de recherche.

Écrits long format des membres du laboratoire — notes accompagnant nos articles récents, retours d'ingénierie, et réflexions occasionnelles sur la conduite d'un groupe d'architecture.

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18 Fév 2026 Engineering

Calibrating a photonic link with no test engineer in the loop

Microring resonators want a clean thermal environment. The real world does not provide one. A closed-loop calibration scheme that fits inside the link, not on the bench.

12 Nov 2025 Research note

How much precision does an edge classifier actually need?

Quality-configurable arithmetic units let an embedded neural network spend bits where they matter and save them where they do not. A short tour of what changes when accuracy is a knob.

3 Sep 2025 Field report

Why event-driven inference is the right answer for keyword spotting

Keyword-spotting accelerators are typically on, always polling. Spiking accelerators only do work when something interesting happens. A look at what that buys.

22 Juil 2025 Lab life

From Lyon to Montréal: notes on running an architecture lab on two continents

Five years after moving the group from École Centrale de Lyon to Concordia, a brief inventory of what travelled, what did not, and what we built locally.