feat: speed

This commit is contained in:
2023-01-22 21:57:42 +08:00
parent 49b6d71886
commit 36465c91bd
2 changed files with 26 additions and 3 deletions

View File

@@ -1,33 +1,49 @@
use std::time::Instant;
use anyhow::Result;
use wasmtime::{Config, Engine, Linker, Module, Store};
fn main() -> Result<()> {
let instant = Instant::now();
let config = Config::default();
let engine = Engine::new(&config).unwrap();
println!("T1: {}ms", instant.elapsed().as_millis());
let wasm_bytes = include_bytes!("/Users/hatterjiang/Code/hattergit/secure-javascript-container/javascript-engine/target/wasm32-unknown-unknown/debug/javascript_engine.wasm");
let module = Module::new(&engine, wasm_bytes)?;
let wasm_bytes_release = include_bytes!("/Users/hatterjiang/Code/hattergit/secure-javascript-container/javascript-engine/target/wasm32-unknown-unknown/release/javascript_engine.wasm");
let wasm_bytes_debug = include_bytes!("/Users/hatterjiang/Code/hattergit/secure-javascript-container/javascript-engine/target/wasm32-unknown-unknown/debug/javascript_engine.wasm");
let is_release = std::env::var("RELEASE").unwrap_or_else(|_| "no".into()) == "yes";
println!("T1.2: {}ms", instant.elapsed().as_millis());
let module = Module::new(&engine, if is_release { &wasm_bytes_release[..] } else { &wasm_bytes_debug[..] })?;
println!("T2: {}ms", instant.elapsed().as_millis());
let linker = Linker::new(&engine);
let mut store = Store::new(&engine, ());
println!("T3: {}ms", instant.elapsed().as_millis());
let instance = linker.instantiate(&mut store, &module)?;
println!("T4: {}ms", instant.elapsed().as_millis());
let memory = instance.get_memory(&mut store, "memory").expect("SHOULD NOT HAPPEN");
let malloc = instance.get_typed_func::<i32, i32>(&mut store, "malloc")?;
let free = instance.get_typed_func::<i32, ()>(&mut store, "free")?;
let eval = instance.get_typed_func::<i32, i32>(&mut store, "eval")?;
println!("T5: {}ms", instant.elapsed().as_millis());
let js = "1+2";
let js = std::env::var("JS").unwrap_or_else(|_| "1+1".into());
println!("JS: {}", js);
let js_bytes = js.as_bytes();
let js_bytes_len = js_bytes.len();
println!("T5.1: {}ms", instant.elapsed().as_millis());
let ptr = malloc.call(&mut store, js.as_bytes().len() as i32)?;
println!("T5.2: {}ms", instant.elapsed().as_millis());
let memory_data_mut = memory.data_mut(&mut store);
for i in 0..js_bytes_len {
memory_data_mut[4 + ptr as usize + i] = js_bytes[i];
}
println!("T5.3: {}ms", instant.elapsed().as_millis());
let eval_result = eval.call(&mut store, ptr)?;
println!("Eval result: {:?}", eval_result);
println!("T6: {}ms", instant.elapsed().as_millis());
let memory = instance.get_memory(&mut store, "memory").expect("SHOULD NOT HAPPEN");
let memory_data_mut = memory.data_mut(&mut store);
@@ -44,6 +60,8 @@ fn main() -> Result<()> {
}
let ss = unsafe { String::from_utf8_unchecked(s) };
println!("Result: {}", ss);
free.call(&mut store, eval_result)?;
println!("T7: {}ms", instant.elapsed().as_millis());
Ok(())
}