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Wasmi v0.32: WebAssembly interpreter is now faster than ever


After many months of research, development and QA, Wasmi’s most significant update ever is finally ready for production use. Wasmi is an efficient and versatile WebAssembly (Wasm) interpreter with a focus on embedded environments. It is an excellent choice for plugin systems, cloud hosts and as smart contract execution engine. Wasmi intentionally mirrors the Wasmtime API on a best-effort basis, making it an ideal drop-in replacement or prototyping runtime. Install Wasmi’s CLI tool via cargo install wasmi_cli or use it as library via the wasmi crate.

Wasmi intentionally mirrors the Wasmtime API on a best-effort basis, making it an ideal drop-in replacement or prototyping runtime. This article displayed the highlights of the new Wasmi version 0.32 and demonstrated the significant improvements in both startup and execution performance through various test cases. Wasmi will continue to solidify its position as an efficient and versatile Wasm interpreter with a fantastic startup performance and low memory consumption especially suited for embedded environments.

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Wasmi v0.32