bench(timers_ops): op_now() & setTimeout() (#10744)

Cargo.lock

@@ -738,6 +738,7 @@ dependencies = [
 name = "deno_timers"
 version = "0.5.0"
 dependencies = [
+ "deno_bench_util",
  "deno_core",
  "tokio",
 ]

extensions/timers/Cargo.toml

@@ -16,3 +16,10 @@ path = "lib.rs"
 [dependencies]
 deno_core = { version = "0.88.0", path = "../../core" }
 tokio = { version = "1.6.0", features = ["full"] }
+
+[dev-dependencies]
+deno_bench_util = { version = "0.1.0", path = "../../bench_util" }
+
+[[bench]]
+name = "timers_ops"
+harness = false

extensions/timers/benches/timers_ops.rs

@@ -0,0 +1,34 @@
+use deno_core::Extension;
+
+use deno_bench_util::bench_or_profile;
+use deno_bench_util::bencher::{benchmark_group, Bencher};
+use deno_bench_util::{bench_js_async, bench_js_sync};
+
+fn setup() -> Vec<Extension> {
+  vec![
+    deno_timers::init::<deno_timers::NoTimersPermission>(),
+    Extension::builder()
+    .js(vec![
+      ("setup", r#"
+      const { opNow, setTimeout, handleTimerMacrotask } = globalThis.__bootstrap.timers;
+      Deno.core.setMacrotaskCallback(handleTimerMacrotask);
+      "#),
+    ])
+    .state(|state| {
+      state.put(deno_timers::NoTimersPermission{});
+      Ok(())
+    })
+    .build()
+  ]
+}
+
+fn bench_op_now(b: &mut Bencher) {
+  bench_js_sync(b, r#"opNow();"#, setup);
+}
+
+fn bench_set_timeout(b: &mut Bencher) {
+  bench_js_async(b, r#"setTimeout(() => {}, 0);"#, setup);
+}
+
+benchmark_group!(benches, bench_op_now, bench_set_timeout,);
+bench_or_profile!(benches);