Name: Embedded Limbo Dancing with Wasm - Dominik Tacke, Siemens AG & Keith Winstein, Stanford University
Start: 2024-11-11T15:00:00-0700
End: 2024-11-11T15:35:00-0700

November 11-12, 2024
Salt Lake City, Utah
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Monday November 11, 2024 3:00pm - 3:35pm MST

Ballroom 3

What’s the smallest possible footprint for a WebAssembly application on an embedded device? This talk aims to answer just that. Wasm has some great advantages, including its polyglot nature: the ability to compile multiple languages to the same target, allowing developers unfamiliar with embedded C to program tiny devices, and dynamically load applications on target devices. But this comes at a cost: the footprint of the runtime and the overhead of our chosen languages. What if we could reduce this overhead to the bare minimum? A less-well-known but valuable Wasm feature is that (unlike with Java, JavaScript, Python, etc.) Wasm’s “runtime” can be extraordinarily minimal—almost zero in size. Join as we demonstrate how to make a Wasm runtime“limbo dance”, reducing its overhead to under 5 kilobytes of ROM and a few hundreds of bytes of RAM, and even lower still with some sacrifices.

Speakers

Dominik Tacke

Principal Key Expert, Siemens AG

Shrinking stuff to fit in constrained devicesI have a MSc in mechatronics engineering and after a decade in small medium enterprises, joined Siemens in 2016. Here I work as a principal key expert on the topic of smart field devices.

Keith Winstein

Associate Professor of Computer Science, Stanford University

Keith Winstein is an associate professor of computer science at Stanford University. He is a contributor to wasm2c and the WebAssembly Binary Toolkit (WABT), as well as Mosh (mobile shell), the Lepton image-compression tool, the Mahimahi network emulators, and qrpff (a six-line DVD... Read More →

Monday November 11, 2024 3:00pm - 3:35pm MST
Ballroom 3

Practical Wasm

Audience Level Mid-Level

WasmCon 2024

Dominik Tacke

Keith Winstein

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