78 releases (46 stable)
6.0.0 | Apr 24, 2025 |
---|---|
6.0.0-beta.1 | Mar 7, 2025 |
6.0.0-alpha.2 | Feb 26, 2025 |
5.0.6 | May 2, 2025 |
1.0.0-alpha5 | Nov 6, 2020 |
#1248 in WebAssembly
78,379 downloads per month
Used in 23 crates
(6 directly)
1MB
26K
SLoC
wasmer-cache

The wasmer-cache
crate allows to cache WebAssembly modules (of kind
wasmer::Module
) in your system, so that next uses of the module does
imply a compilation time.
Usage
The Cache
trait represents a generic cache for storing and loading
compiled WebAssembly modules. The FileSystemCache
type implements
Cache
to store cache on the file system.
use wasmer::{DeserializeError, Module, SerializeError};
use wasmer_cache::{Cache, FileSystemCache, Hash};
fn store_module(module: &Module, bytes: &[u8]) -> Result<(), SerializeError> {
// Create a new file system cache.
let mut fs_cache = FileSystemCache::new("some/directory/goes/here")?;
// Compute a key for a given WebAssembly binary
let hash = Hash::generate(bytes);
// Store a module into the cache given a key
fs_cache.store(hash, module.clone())?;
Ok(())
}
Dependencies
~3–14MB
~183K SLoC