1 files changed, 112 insertions, 0 deletions
diff --git a/bench_util/benches/utf8.rs b/bench_util/benches/utf8.rs
new file mode 100644
index 000000000..021c409b8
--- /dev/null
+++ b/bench_util/benches/utf8.rs
@@ -0,0 +1,112 @@
+use deno_bench_util::bench_js_sync_with;
+use deno_bench_util::bench_or_profile;
+use deno_bench_util::bencher::benchmark_group;
+use deno_bench_util::bencher::Bencher;
+use deno_bench_util::BenchOptions;
+use deno_core::Extension;
+
+fn setup() -> Vec<Extension> {
+  vec![Extension::builder()
+    .js(vec![(
+      "setup.js",
+      Box::new(|| {
+        Ok(
+          r#"
+      const hello = "hello world\n";
+      const hello1k = hello.repeat(1e3);
+      const hello1m = hello.repeat(1e6);
+      const helloEncoded = Deno.core.encode(hello);
+      const hello1kEncoded = Deno.core.encode(hello1k);
+      const hello1mEncoded = Deno.core.encode(hello1m);
+      "#
+          .into(),
+        )
+      }),
+    )])
+    .build()]
+}
+
+fn bench_utf8_encode_12_b(b: &mut Bencher) {
+  bench_js_sync_with(
+    b,
+    r#"Deno.core.encode(hello);"#,
+    setup,
+    BenchOptions {
+      benching_inner: 1,
+      ..Default::default()
+    },
+  );
+}
+
+fn bench_utf8_encode_12_kb(b: &mut Bencher) {
+  bench_js_sync_with(
+    b,
+    r#"Deno.core.encode(hello1k);"#,
+    setup,
+    BenchOptions {
+      benching_inner: 1,
+      ..Default::default()
+    },
+  );
+}
+
+fn bench_utf8_encode_12_mb(b: &mut Bencher) {
+  bench_js_sync_with(
+    b,
+    r#"Deno.core.encode(hello1m);"#,
+    setup,
+    BenchOptions {
+      benching_inner: 1,
+      profiling_inner: 10,
+      profiling_outer: 10,
+    },
+  );
+}
+
+fn bench_utf8_decode_12_b(b: &mut Bencher) {
+  bench_js_sync_with(
+    b,
+    r#"Deno.core.decode(helloEncoded);"#,
+    setup,
+    BenchOptions {
+      benching_inner: 1,
+      ..Default::default()
+    },
+  );
+}
+
+fn bench_utf8_decode_12_kb(b: &mut Bencher) {
+  bench_js_sync_with(
+    b,
+    r#"Deno.core.decode(hello1kEncoded);"#,
+    setup,
+    BenchOptions {
+      benching_inner: 1,
+      ..Default::default()
+    },
+  );
+}
+
+fn bench_utf8_decode_12_mb(b: &mut Bencher) {
+  bench_js_sync_with(
+    b,
+    r#"Deno.core.decode(hello1mEncoded);"#,
+    setup,
+    BenchOptions {
+      benching_inner: 1,
+      profiling_inner: 10,
+      profiling_outer: 10,
+    },
+  );
+}
+
+benchmark_group!(
+  benches,
+  bench_utf8_encode_12_b,
+  bench_utf8_encode_12_kb,
+  bench_utf8_encode_12_mb,
+  bench_utf8_decode_12_b,
+  bench_utf8_decode_12_kb,
+  bench_utf8_decode_12_mb,
+);
+bench_or_profile!(benches);