wasmi
An efficient and lightweight WebAssembly interpreter designed for embedded and constrained systems.
What is wasmi?
Wasmi is a WebAssembly interpreter written in Rust, designed to be efficient and lightweight for embedded and constrained systems. It provides deterministic execution, full WebAssembly spec compliance, and supports features like fuel metering and official C-API integration. The project solves the need for a reliable, resource-conscious WebAssembly runtime in environments where traditional JIT-based runtimes are impractical.
Developers and engineers working on embedded systems, IoT devices, safety-critical applications, or any resource-constrained environment requiring a WebAssembly runtime. It is also suitable for projects needing a deterministic, interpreter-based alternative to JIT compilers.
Developers choose Wasmi for its focus on embedded systems, deterministic execution, and lightweight design. Its compatibility with the Wasmtime API allows for easy integration, while features like fuel metering and official C-API support provide added flexibility and control. The project's security audits and spec compliance make it a trusted choice for safety-critical use cases.
Overview
Efficient and versatile WebAssembly interpreter for embedded systems.
Use Cases
Best For
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