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repl_test: skip wasm validation for the compiler

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This commit is contained in:
Brian Carroll 2022-02-27 17:39:29 +00:00
parent 86aec0dbe2
commit 1c25ab515d
1 changed files with 6 additions and 3 deletions
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9
repl_test/src/wasm.rs
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@ -25,7 +25,7 @@ lazy_static! {
}
/// Load the compiler .wasm file and get it ready to execute
/// THIS FUNCTION TAKES FIVE SECONDS TO RUN
/// THIS FUNCTION TAKES 4 SECONDS TO RUN
fn init_compiler() -> Instance {
let path = Path::new(WASM_REPL_COMPILER_PATH);
let wasm_module_bytes = match fs::read(&path) {
@ -34,7 +34,11 @@ fn init_compiler() -> Instance {
};
let store = Store::default();
let wasmer_module = Module::new(&store, &wasm_module_bytes).unwrap();
// This is the slow line. Skipping validation checks reduces module compilation time from 5s to 4s.
// Safety: We trust rustc to produce a valid module.
let wasmer_module =
unsafe { Module::from_binary_unchecked(&store, &wasm_module_bytes).unwrap() };
let import_object = imports! {
"env" => {
@ -47,7 +51,6 @@ fn init_compiler() -> Instance {
}
};
// This is the slow line
Instance::new(&wasmer_module, &import_object).unwrap()
}