1 files changed, 70 insertions, 0 deletions
diff --git a/core/benches/op_baseline.rs b/core/benches/op_baseline.rs
new file mode 100644
index 000000000..ed10c2d16
--- /dev/null
+++ b/core/benches/op_baseline.rs
@@ -0,0 +1,70 @@
+use bencher::{benchmark_group, benchmark_main, Bencher};
+
+use deno_core::bin_op_sync;
+use deno_core::json_op_sync;
+use deno_core::v8;
+use deno_core::JsRuntime;
+use deno_core::Op;
+
+fn create_js_runtime() -> JsRuntime {
+  let mut runtime = JsRuntime::new(Default::default());
+  runtime.register_op("pi_bin", bin_op_sync(|_, _, _| Ok(314159)));
+  runtime.register_op("pi_json", json_op_sync(|_, _: (), _| Ok(314159)));
+  runtime.register_op("nop", |_, _| Op::Sync(Box::new(9_u64.to_le_bytes())));
+
+  // Init ops
+  runtime
+    .execute(
+      "init",
+      r#"
+      Deno.core.ops();
+      Deno.core.registerErrorClass('Error', Error);
+      const nopBuffer = new ArrayBuffer(10);
+      const nopView = new DataView(nopBuffer);
+    "#,
+    )
+    .unwrap();
+
+  runtime
+}
+
+pub fn bench_runtime_js(b: &mut Bencher, src: &str) {
+  let mut runtime = create_js_runtime();
+  let context = runtime.global_context();
+  let scope = &mut v8::HandleScope::with_context(runtime.v8_isolate(), context);
+  let code = v8::String::new(scope, src).unwrap();
+  let script = v8::Script::compile(scope, code, None).unwrap();
+  b.iter(|| {
+    script.run(scope).unwrap();
+  });
+}
+
+fn bench_op_pi_bin(b: &mut Bencher) {
+  bench_runtime_js(
+    b,
+    r#"for(let i=0; i < 1e3; i++) {
+      Deno.core.binOpSync("pi_bin", 0);
+    }"#,
+  );
+}
+
+fn bench_op_pi_json(b: &mut Bencher) {
+  bench_runtime_js(
+    b,
+    r#"for(let i=0; i < 1e3; i++) {
+      Deno.core.jsonOpSync("pi_json", null);
+    }"#,
+  );
+}
+
+fn bench_op_nop(b: &mut Bencher) {
+  bench_runtime_js(
+    b,
+    r#"for(let i=0; i < 1e3; i++) {
+      Deno.core.dispatchByName("nop", nopView);
+    }"#,
+  );
+}
+
+benchmark_group!(benches, bench_op_pi_bin, bench_op_pi_json, bench_op_nop);
+benchmark_main!(benches);