Desyra
Practice System Design with AI Feedback
What it does
Desyra is an AI-powered platform to practice system design visually. Create UML diagrams, get instant feedback, and learn from detailed AI assessments—just like LeetCode, but for design skills. Perfect for engineers preparing for interviews or improving architecture thinking.
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I trained a 125M-parameter transformer to autocomplete piano performances in real time (~108 notes/sec on an iPhone 15). The idea is basically GitHub Copilot or Tabnine, except instead of prompting it with code, you prompt it by playing a few notes on a MIDI piano. The model then continues what you played, entirely on-device. The app is free if anyone wants to try it. Happy to answer questions about the model, training, Core ML, or the many things that didn't work.
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