Internet of Programmable Things
summary
Fletch ships a tiny Dart runtime for microcontrollers with a compiler/runtime split over a simple wire protocol, live code and schema patching, and a selector-based row displacement dispatch to keep dynamic calls fast. The SDK runs now on Raspberry Pi and targets Cortex‑M7; processes are ~4KB each and a demo spawns 100,000 processes and exchanges messages in ~750ms. GPIO packages blink LEDs and debugging works over TCP. Fletch enables selector-based row displacement for compact fast dispatch.
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chapters (19)
- 0:00Introduction
- 0:20Background
- 0:51An explosion of devices
- 3:37Devices for sense and control
- 4:50Prototypical microcontroller
- 6:44Best case scenario
- 8:37You need a productive environment
- 12:49What takes space in a virtual machine?
- 14:19Interface between compiler and runtime
- 15:56Reflection over wire protocol
- 19:24Dynamic dispatching
- 25:18Programs and processes
- 27:32Handle connections in new processes
- 28:50Blocking messaging
- 30:17Shareu state concurrency
- 31:19Shared immutable state concurrency
- 34:19Fletch SDK for Raspberry Pi 2
- 35:22Running code
- 38:56Blinking lights on the Raspberry Pi 2
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