Stefan Schöberl
WebAssembly: Disassembled
#1about 2 minutes
What WebAssembly is and its role on the web
WebAssembly is a W3C standard that complements JavaScript for performance-heavy tasks while running in the same security sandbox.
#2about 3 minutes
The architecture of a WebAssembly module
A WebAssembly module interacts with an external environment like JavaScript through imports and exports for functions, memory, and global variables.
#3about 1 minute
Binary (.wasm) versus textual (.wat) representation
WebAssembly modules have an interchangeable binary format (.wasm) for execution and a human-readable textual format (.wat) for debugging.
#4about 4 minutes
How the WebAssembly stack machine execution model works
WebAssembly uses a stack machine for execution, where instructions manipulate values on a stack to perform computations.
#5about 5 minutes
Live coding a recursive Fibonacci function in .wat
A live coding demonstration shows how to implement the recursive Fibonacci algorithm using WebAssembly's textual format (.wat).
#6about 4 minutes
How to implement loops using block and loop statements
WebAssembly constructs loops using structured block and loop statements with indexed labels for branching, which replace traditional goto statements.
#7about 5 minutes
Live coding how to find the maximum value in an array
This live coding example demonstrates how to iterate through an array in memory to find its maximum value using WebAssembly bytecode.
#8about 2 minutes
Q&A on modules, security, and language recommendations
The speaker answers audience questions about connecting multiple modules, using WebAssembly for secure software supply chains, and the best languages to start with.
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Defining WebAssembly and its original design goals
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07:07 MIN
How .NET applications execute on WebAssembly
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08:32 MIN
Taking WebAssembly beyond the browser with WASI
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Answering common questions about WebAssembly
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Key features and concepts of WebAssembly modules
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The core components of the WebAssembly ecosystem
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36:03 MIN
Navigating the WebAssembly ecosystem and foundations
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