Lightning Talk: WebAssembly from the Inside Out
summary
Explains how the wazero runtime implements WebAssembly calls end-to-end: modules decode and validate at load time, compile to an internal IR that an interpreter runs or an amd64 backend emits as native code, and a trampoline switches between compiled Wasm and Go host functions by passing identifiers and marshaling parameters. Claims no cgo dependency because it is pure Go, supports context cancellation, can run wasm inside wasm, and notes a multi-pass optimizing compiler is in progress.
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chapters (7)
- 0:00Introduction
- 0:43What is Wero
- 2:07WebAssembly compilation
- 3:08Runtime invocation
- 4:59Pure Go runtime
- 6:25Wero’s portability
- 7:30Q&A
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