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perf: add op_baseline bench (denoland#9924)
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AaronO committed Mar 30, 2021
1 parent e85595a commit 7efea6c
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7 changes: 7 additions & 0 deletions Cargo.lock

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5 changes: 5 additions & 0 deletions core/Cargo.toml
Original file line number Diff line number Diff line change
Expand Up @@ -38,3 +38,8 @@ path = "examples/http_bench_json_ops.rs"
# These dependencies are only used for the 'http_bench_*_ops' examples.
[dev-dependencies]
tokio = { version = "1.4.0", features = ["full"] }
bencher = "0.1"

[[bench]]
name = "op_baseline"
harness = false
70 changes: 70 additions & 0 deletions core/benches/op_baseline.rs
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@@ -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);

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