feat: 添加基准测试基础设施

crates/oxide_vm/benches/gc_mark_sweep.rs

@@ -0,0 +1,29 @@
+use criterion::{black_box, criterion_group, criterion_main, Criterion};
+use oxide_compiler::compiler::Compiler;
+use oxide_kernel::kernel::{KernelConfig, KernelCore};
+use oxide_vm::vm::Vm;
+use std::sync::Arc;
+
+fn bench_gc(c: &mut Criterion) {
+    let mut config = KernelConfig::minimal();
+    config.session_gc_threshold = 1024 * 1024;
+    let kernel = KernelCore::new(config);
+    let js = "var g = {}; for (var i = 0; i < 500; i++) { var obj = { x: i, y: i * 2 }; g[i] = obj; } g[\"x\"]";
+    let alloc = oxide_parser::Allocator::default();
+    let program = oxide_parser::parse(&alloc, js).expect("parse");
+    let module = Compiler.compile(&program).expect("compile");
+
+    c.bench_function("gc_mark_sweep", |b| {
+        b.iter_batched(
+            || Vm::with_kernel_core(Arc::clone(&kernel)),
+            |mut vm| {
+                vm.run(&module).ok();
+                black_box(vm)
+            },
+            criterion::BatchSize::SmallInput,
+        );
+    });
+}
+
+criterion_group!(benches, bench_gc);
+criterion_main!(benches);