Lib.rs

Cargo Features

[dependencies]
substrate-wasmtime = { version = "0.19.0", default-features = false, features = ["lightbeam", "jitdump", "vtune", "parallel-compilation", "wat"] }

default = jitdump, parallel-compilation, wat

These default features are set whenever substrate-wasmtime is added without default-features = false somewhere in the dependency tree.

lightbeam

Enables experimental support for the lightbeam codegen backend, an alternative to cranelift. Requires Nightly Rust currently, and this is not enabled by default.

Enables lightbeam of wasmtime-jit ^0.19.0

jitdump default

Enables support for the perf jitdump profiler

Enables jitdump of wasmtime-jit ^0.19.0

vtune

Enables support for the VTune profiler

Enables vtune of wasmtime-jit ^0.19.0

parallel-compilation default

Enables parallel compilation of WebAssembly code

Enables parallel-compilation of wasmtime-environ ^0.19.0

Features from optional dependencies

In crates that don't use the dep: syntax, optional dependencies automatically become Cargo features. These features may have been created by mistake, and this functionality may be removed in the future.

wat default