31 files changed, 1197 insertions, 702 deletions

diff --git a/.eslintignore b/.eslintignore
index a1d26dbe9..a07adeb94 100644
--- a/.eslintignore
+++ b/.eslintignore
@@ -5,3 +5,4 @@ std/**/testdata/
 std/**/node_modules/
 cli/tsc/*typescript.js
 cli/dts/*
+cli/bench/node*.js
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 09a0b443d..27005a094 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -154,7 +154,7 @@ jobs:
 
       - name: Run Benchmarks
         if: matrix.config.kind == 'bench'
-        run: python ./tools/benchmark.py --release
+        run: cargo bench
 
       - name: Post Benchmarks
         if: |
diff --git a/Cargo.lock b/Cargo.lock
index 3e5e957ee..085a2a95c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -231,6 +231,17 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
 
 [[package]]
+name = "chrono"
+version = "0.4.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c74d84029116787153e02106bf53e66828452a4b325cc8652b788b5967c0a0b6"
+dependencies = [
+ "num-integer",
+ "num-traits",
+ "time",
+]
+
+[[package]]
 name = "clap"
 version = "2.33.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -327,6 +338,7 @@ dependencies = [
  "base64 0.12.3",
  "byteorder",
  "bytes",
+ "chrono",
  "clap",
  "deno_core",
  "deno_doc",
diff --git a/Cargo.toml b/Cargo.toml
index 80e6ce4e6..91e591b73 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -15,3 +15,8 @@ exclude = [
 codegen-units = 1
 lto = true
 opt-level = 'z' # Optimize for size
+
+[profile.bench]
+codegen-units = 1
+lto = true
+opt-level = 'z' # Optimize for size
diff --git a/cli/Cargo.toml b/cli/Cargo.toml
index d7149b79c..751a7c461 100644
--- a/cli/Cargo.toml
+++ b/cli/Cargo.toml
@@ -14,6 +14,11 @@ default-run = "deno"
 name = "deno"
 path = "main.rs"
 
+[[bench]]
+name = "deno_bench"
+harness = false
+path = "./bench/main.rs"
+
 [build-dependencies]
 deno_core = { path = "../core", version = "0.54.0" }
 deno_web = { path = "../op_crates/web", version = "0.4.0" }
@@ -78,6 +83,8 @@ fwdansi = "1.1.0"
 nix = "0.17.0"
 
 [dev-dependencies]
+# Used in benchmark
+chrono = "0.4"
 os_pipe = "0.9.2"
 # Used for testing inspector. Keep in-sync with warp.
 tokio-tungstenite = { version = "0.10.1", features = ["connect"] }
diff --git a/tools/deno_http_proxy.ts b/cli/bench/deno_http_proxy.ts
index 6e5141377..6e5141377 100644
--- a/tools/deno_http_proxy.ts
+++ b/cli/bench/deno_http_proxy.ts
diff --git a/tools/deno_tcp.ts b/cli/bench/deno_tcp.ts
index 898869768..a204e7bfb 100644
--- a/tools/deno_tcp.ts
+++ b/cli/bench/deno_tcp.ts
@@ -1,4 +1,4 @@
-// Used for benchmarking Deno's networking. See tools/http_benchmark.py
+// Used for benchmarking Deno's networking.
 // TODO Replace this with a real HTTP server once
 // https://github.com/denoland/deno/issues/726 is completed.
 // Note: this is a keep-alive server.
diff --git a/tools/deno_tcp_proxy.ts b/cli/bench/deno_tcp_proxy.ts
index a9832e363..db693b690 100644
--- a/tools/deno_tcp_proxy.ts
+++ b/cli/bench/deno_tcp_proxy.ts
@@ -1,4 +1,4 @@
-// Used for benchmarking Deno's tcp proxy performance. See tools/http_benchmark.py
+// Used for benchmarking Deno's tcp proxy performance.
 const addr = Deno.args[0] || "127.0.0.1:4500";
 const originAddr = Deno.args[1] || "127.0.0.1:4501";
 
diff --git a/cli/bench/http.rs b/cli/bench/http.rs
new file mode 100644
index 000000000..f9acf20da
--- /dev/null
+++ b/cli/bench/http.rs
@@ -0,0 +1,303 @@
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
+
+use super::Result;
+use std::{
+  collections::HashMap, path::PathBuf, process::Command, time::Duration,
+};
+pub use test_util::{parse_wrk_output, WrkOutput as HttpBenchmarkResult};
+
+// Some of the benchmarks in this file have been renamed. In case the history
+// somehow gets messed up:
+//   "node_http" was once called "node"
+//   "deno_tcp" was once called "deno"
+//   "deno_http" was once called "deno_net_http"
+
+const DURATION: &str = "20s";
+
+pub(crate) fn benchmark(
+  target_path: &PathBuf,
+) -> Result<HashMap<String, HttpBenchmarkResult>> {
+  let deno_exe = test_util::deno_exe_path();
+  let deno_exe = deno_exe.to_str().unwrap();
+
+  let hyper_hello_exe = target_path.join("test_server");
+  let hyper_hello_exe = hyper_hello_exe.to_str().unwrap();
+
+  let core_http_bin_ops_exe = target_path.join("examples/http_bench_bin_ops");
+  let core_http_bin_ops_exe = core_http_bin_ops_exe.to_str().unwrap();
+
+  let core_http_json_ops_exe = target_path.join("examples/http_bench_json_ops");
+  let core_http_json_ops_exe = core_http_json_ops_exe.to_str().unwrap();
+
+  let mut res = HashMap::new();
+
+  // "deno_tcp" was once called "deno"
+  res.insert("deno_tcp".to_string(), deno_tcp(deno_exe)?);
+  // res.insert("deno_udp".to_string(), deno_udp(deno_exe)?);
+  res.insert("deno_http".to_string(), deno_http(deno_exe)?);
+  // TODO(ry) deno_proxy disabled to make fetch() standards compliant.
+  // res.insert("deno_proxy".to_string(), deno_http_proxy(deno_exe) hyper_hello_exe))
+  res.insert(
+    "deno_proxy_tcp".to_string(),
+    deno_tcp_proxy(deno_exe, hyper_hello_exe)?,
+  );
+  // "core_http_bin_ops" was once called "deno_core_single"
+  // "core_http_bin_ops" was once called "deno_core_http_bench"
+  res.insert(
+    "core_http_bin_ops".to_string(),
+    core_http_bin_ops(core_http_bin_ops_exe)?,
+  );
+  res.insert(
+    "core_http_json_ops".to_string(),
+    core_http_json_ops(core_http_json_ops_exe)?,
+  );
+  // "node_http" was once called "node"
+  res.insert("node_http".to_string(), node_http()?);
+  res.insert("node_proxy".to_string(), node_http_proxy(hyper_hello_exe)?);
+  res.insert(
+    "node_proxy_tcp".to_string(),
+    node_tcp_proxy(hyper_hello_exe)?,
+  );
+  res.insert("node_tcp".to_string(), node_tcp()?);
+  res.insert("hyper".to_string(), hyper_http(hyper_hello_exe)?);
+
+  Ok(res)
+}
+
+fn run(
+  server_cmd: &[&str],
+  port: u16,
+  env: Option<Vec<(String, String)>>,
+  origin_cmd: Option<&[&str]>,
+) -> Result<HttpBenchmarkResult> {
+  // Wait for port 4544 to become available.
+  // TODO Need to use SO_REUSEPORT with tokio::net::TcpListener.
+  std::thread::sleep(Duration::from_secs(5));
+
+  let mut origin = None;
+  if let Some(cmd) = origin_cmd {
+    let mut com = Command::new(cmd[0]);
+    com.args(&cmd[1..]);
+    if let Some(env) = env.clone() {
+      com.envs(env);
+    }
+    origin = Some(com.spawn()?);
+  };
+
+  println!("{}", server_cmd.join(" "));
+  let mut server = {
+    let mut com = Command::new(server_cmd[0]);
+    com.args(&server_cmd[1..]);
+    if let Some(env) = env {
+      com.envs(env);
+    }
+    com.spawn()?
+  };
+
+  std::thread::sleep(Duration::from_secs(5)); // wait for server to wake up. TODO racy.
+
+  let wrk = test_util::prebuilt_tool_path("wrk");
+  assert!(wrk.is_file());
+
+  let wrk_cmd = &[
+    wrk.to_str().unwrap(),
+    "-d",
+    DURATION,
+    "--latency",
+    &format!("http://127.0.0.1:{}/", port),
+  ];
+  println!("{}", wrk_cmd.join(" "));
+  let output = test_util::run_collect(wrk_cmd, None, None, None, true).0;
+
+  println!("{}", output);
+  assert!(
+    server.try_wait()?.map_or(true, |s| s.success()),
+    "server ended with error"
+  );
+
+  server.kill()?;
+  if let Some(mut origin) = origin {
+    origin.kill()?;
+  }
+
+  Ok(parse_wrk_output(&output))
+}
+
+fn get_port() -> u16 {
+  static mut NEXT_PORT: u16 = 4544;
+
+  let port = unsafe { NEXT_PORT };
+
+  unsafe {
+    NEXT_PORT += 1;
+  }
+
+  port
+}
+
+fn server_addr(port: u16) -> String {
+  format!("0.0.0.0:{}", port)
+}
+
+fn deno_tcp(deno_exe: &str) -> Result<HttpBenchmarkResult> {
+  let port = get_port();
+  println!("http_benchmark testing DENO tcp.");
+  run(
+    &[
+      deno_exe,
+      "run",
+      "--allow-net",
+      "cli/bench/deno_tcp.ts",
+      &server_addr(port),
+    ],
+    port,
+    None,
+    None,
+  )
+}
+
+fn deno_tcp_proxy(
+  deno_exe: &str,
+  hyper_exe: &str,
+) -> Result<HttpBenchmarkResult> {
+  let port = get_port();
+  let origin_port = get_port();
+
+  println!("http_proxy_benchmark testing DENO using net/tcp.");
+  run(
+    &[
+      deno_exe,
+      "run",
+      "--allow-net",
+      "--reload",
+      "--unstable",
+      "cli/bench/deno_tcp_proxy.ts",
+      &server_addr(port),
+      &server_addr(origin_port),
+    ],
+    port,
+    None,
+    Some(&[hyper_exe, &origin_port.to_string()]),
+  )
+}
+
+fn deno_http(deno_exe: &str) -> Result<HttpBenchmarkResult> {
+  let port = get_port();
+  println!("http_benchmark testing DENO using net/http.");
+  run(
+    &[
+      deno_exe,
+      "run",
+      "--allow-net",
+      "--reload",
+      "--unstable",
+      "std/http/http_bench.ts",
+      &server_addr(port),
+    ],
+    port,
+    None,
+    None,
+  )
+}
+
+#[allow(dead_code)]
+fn deno_http_proxy(
+  deno_exe: &str,
+  hyper_exe: &str,
+) -> Result<HttpBenchmarkResult> {
+  let port = get_port();
+  let origin_port = get_port();
+
+  println!("http_proxy_benchmark testing DENO using net/http.");
+  run(
+    &[
+      deno_exe,
+      "run",
+      "--allow-net",
+      "--reload",
+      "--unstable",
+      "cli/bench/deno_http_proxy.ts",
+      &server_addr(port),
+      &server_addr(origin_port),
+    ],
+    port,
+    None,
+    Some(&[hyper_exe, &origin_port.to_string()]),
+  )
+}
+
+fn core_http_bin_ops(exe: &str) -> Result<HttpBenchmarkResult> {
+  println!("http_benchmark testing CORE http_bench_bin_ops");
+  run(&[exe], 4544, None, None)
+}
+
+fn core_http_json_ops(exe: &str) -> Result<HttpBenchmarkResult> {
+  println!("http_benchmark testing CORE http_bench_json_ops");
+  run(&[exe], 4544, None, None)
+}
+
+fn node_http() -> Result<HttpBenchmarkResult> {
+  let port = get_port();
+  println!("http_benchmark testing NODE.");
+  run(
+    &["node", "cli/bench/node_http.js", &port.to_string()],
+    port,
+    None,
+    None,
+  )
+}
+
+fn node_http_proxy(hyper_exe: &str) -> Result<HttpBenchmarkResult> {
+  let port = get_port();
+  let origin_port = get_port();
+  let origin_port = origin_port.to_string();
+
+  println!("http_proxy_benchmark testing NODE.");
+  run(
+    &[
+      "node",
+      "cli/bench/node_http_proxy.js",
+      &port.to_string(),
+      &origin_port,
+    ],
+    port,
+    None,
+    Some(&[hyper_exe, &origin_port]),
+  )
+}
+
+fn node_tcp_proxy(exe: &str) -> Result<HttpBenchmarkResult> {
+  let port = get_port();
+  let origin_port = get_port();
+  let origin_port = origin_port.to_string();
+
+  println!("http_proxy_benchmark testing NODE tcp.");
+  run(
+    &[
+      "node",
+      "cli/bench/node_tcp_proxy.js",
+      &port.to_string(),
+      &origin_port,
+    ],
+    port,
+    None,
+    Some(&[exe, &origin_port]),
+  )
+}
+
+fn node_tcp() -> Result<HttpBenchmarkResult> {
+  let port = get_port();
+  println!("http_benchmark testing node_tcp.js");
+  run(
+    &["node", "cli/bench/node_tcp.js", &port.to_string()],
+    port,
+    None,
+    None,
+  )
+}
+
+fn hyper_http(exe: &str) -> Result<HttpBenchmarkResult> {
+  let port = get_port();
+  println!("http_benchmark testing RUST hyper");
+  run(&[exe, &format!("{}", port)], port, None, None)
+}
diff --git a/cli/bench/main.rs b/cli/bench/main.rs
new file mode 100644
index 000000000..b2ae59d4f
--- /dev/null
+++ b/cli/bench/main.rs
@@ -0,0 +1,462 @@
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
+
+use serde_json::{self, map::Map, Number, Value};
+use std::{
+  convert::From,
+  env, fs,
+  path::PathBuf,
+  process::{Command, Stdio},
+};
+
+mod http;
+mod throughput;
+
+fn read_json(filename: &str) -> Result<serde_json::Value> {
+  let f = fs::File::open(filename)?;
+  Ok(serde_json::from_reader(f)?)
+}
+
+fn write_json(filename: &str, value: &serde_json::Value) -> Result<()> {
+  let f = fs::File::create(filename)?;
+  serde_json::to_writer(f, value)?;
+  Ok(())
+}
+
+/// The list of the tuples of the benchmark name, arguments and return code
+const EXEC_TIME_BENCHMARKS: &[(&str, &[&str], Option<i32>)] = &[
+  ("hello", &["run", "cli/tests/002_hello.ts"], None),
+  (
+    "relative_import",
+    &["run", "cli/tests/003_relative_import.ts"],
+    None,
+  ),
+  ("error_001", &["run", "cli/tests/error_001.ts"], Some(1)),
+  (
+    "cold_hello",
+    &["run", "--reload", "cli/tests/002_hello.ts"],
+    None,
+  ),
+  (
+    "cold_relative_import",
+    &["run", "--reload", "cli/tests/003_relative_import.ts"],
+    None,
+  ),
+  (
+    "workers_startup",
+    &["run", "--allow-read", "cli/tests/workers_startup_bench.ts"],
+    None,
+  ),
+  (
+    "workers_round_robin",
+    &[
+      "run",
+      "--allow-read",
+      "cli/tests/workers_round_robin_bench.ts",
+    ],
+    None,
+  ),
+  (
+    "text_decoder",
+    &["run", "cli/tests/text_decoder_perf.js"],
+    None,
+  ),
+  (
+    "text_encoder",
+    &["run", "cli/tests/text_encoder_perf.js"],
+    None,
+  ),
+  (
+    "check",
+    &["cache", "--reload", "std/examples/chat/server_test.ts"],
+    None,
+  ),
+  (
+    "no_check",
+    &[
+      "cache",
+      "--reload",
+      "--no-check",
+      "std/examples/chat/server_test.ts",
+    ],
+    None,
+  ),
+];
+
+const RESULT_KEYS: &[&str] =
+  &["mean", "stddev", "user", "system", "min", "max"];
+fn run_exec_time(deno_exe: &PathBuf, target_dir: &PathBuf) -> Result<Value> {
+  let hyperfine_exe = test_util::prebuilt_tool_path("hyperfine");
+
+  let benchmark_file = target_dir.join("hyperfine_results.json");
+  let benchmark_file = benchmark_file.to_str().unwrap();
+
+  let mut command = [
+    hyperfine_exe.to_str().unwrap(),
+    "--export-json",
+    benchmark_file,
+    "--warmup",
+    "3",
+  ]
+  .iter()
+  .map(|s| s.to_string())
+  .collect::<Vec<_>>();
+
+  for (_, args, return_code) in EXEC_TIME_BENCHMARKS {
+    let ret_code_test = if let Some(code) = return_code {
+      // Bash test which asserts the return code value of the previous command
+      // $? contains the return code of the previous command
+      format!("; test $? -eq {}", code)
+    } else {
+      "".to_string()
+    };
+    command.push(format!(
+      "{} {} {}",
+      deno_exe.to_str().unwrap(),
+      args.join(" "),
+      ret_code_test
+    ));
+  }
+
+  test_util::run(
+    &command.iter().map(|s| s.as_ref()).collect::<Vec<_>>(),
+    None,
+    None,
+    None,
+    true,
+  );
+
+  let mut results = Map::new();
+  let hyperfine_results = read_json(benchmark_file)?;
+  for ((name, _, _), data) in EXEC_TIME_BENCHMARKS.iter().zip(
+    hyperfine_results
+      .as_object()
+      .unwrap()
+      .get("results")
+      .unwrap()
+      .as_array()
+      .unwrap(),
+  ) {
+    let data = data.as_object().unwrap().clone();
+    results.insert(
+      name.to_string(),
+      Value::Object(
+        data
+          .into_iter()
+          .filter(|(key, _)| RESULT_KEYS.contains(&key.as_str()))
+          .collect::<Map<String, Value>>(),
+      ),
+    );
+  }
+
+  Ok(Value::Object(results))
+}
+
+const BINARY_TARGET_FILES: &[&str] =
+  &["CLI_SNAPSHOT.bin", "COMPILER_SNAPSHOT.bin"];
+fn get_binary_sizes(target_dir: &PathBuf) -> Result<Value> {
+  let mut sizes = Map::new();
+  let mut mtimes = std::collections::HashMap::new();
+
+  sizes.insert(
+    "deno".to_string(),
+    Value::Number(Number::from(test_util::deno_exe_path().metadata()?.len())),
+  );
+
+  // Because cargo's OUT_DIR is not predictable, search the build tree for
+  // snapshot related files.
+  for file in walkdir::WalkDir::new(target_dir) {
+    if file.is_err() {
+      continue;
+    }
+    let file = file.unwrap();
+    let filename = file.file_name().to_str().unwrap().to_string();
+
+    if !BINARY_TARGET_FILES.contains(&filename.as_str()) {
+      continue;
+    }
+
+    let meta = file.metadata()?;
+    let file_mtime = meta.modified()?;
+
+    // If multiple copies of a file are found, use the most recent one.
+    if let Some(stored_mtime) = mtimes.get(&filename) {
+      if *stored_mtime > file_mtime {
+        continue;
+      }
+    }
+
+    mtimes.insert(filename.clone(), file_mtime);
+    sizes.insert(filename, Value::Number(Number::from(meta.len())));
+  }
+
+  Ok(Value::Object(sizes))
+}
+
+const BUNDLES: &[(&str, &str)] = &[
+  ("file_server", "./std/http/file_server.ts"),
+  ("gist", "./std/examples/gist.ts"),
+];
+fn bundle_benchmark(deno_exe: &PathBuf) -> Result<Value> {
+  let mut sizes = Map::new();
+
+  for (name, url) in BUNDLES {
+    let path = format!("{}.bundle.js", name);
+    test_util::run(
+      &[
+        deno_exe.to_str().unwrap(),
+        "bundle",
+        "--unstable",
+        url,
+        &path,
+      ],
+      None,
+      None,
+      None,
+      true,
+    );
+
+    let file = PathBuf::from(path);
+    assert!(file.is_file());
+    sizes.insert(
+      name.to_string(),
+      Value::Number(Number::from(file.metadata()?.len())),
+    );
+    let _ = fs::remove_file(file);
+  }
+
+  Ok(Value::Object(sizes))
+}
+
+fn run_throughput(deno_exe: &PathBuf) -> Result<Value> {
+  let mut m = Map::new();
+
+  m.insert("100M_tcp".to_string(), throughput::tcp(deno_exe, 100)?);
+  m.insert("100M_cat".to_string(), throughput::cat(deno_exe, 100)?);
+  m.insert("10M_tcp".to_string(), throughput::tcp(deno_exe, 10)?);
+  m.insert("10M_cat".to_string(), throughput::cat(deno_exe, 10)?);
+
+  Ok(Value::Object(m))
+}
+
+fn run_http(
+  target_dir: &PathBuf,
+  new_data: &mut Map<String, Value>,
+) -> Result<()> {
+  let stats = http::benchmark(target_dir)?;
+
+  new_data.insert(
+    "req_per_sec".to_string(),
+    Value::Object(
+      stats
+        .iter()
+        .map(|(name, result)| {
+          (name.clone(), Value::Number(Number::from(result.requests)))
+        })
+        .collect::<Map<String, Value>>(),
+    ),
+  );
+
+  new_data.insert(
+    "max_latency".to_string(),
+    Value::Object(
+      stats
+        .iter()
+        .map(|(name, result)| {
+          (
+            name.clone(),
+            Value::Number(Number::from_f64(result.latency).unwrap()),
+          )
+        })
+        .collect::<Map<String, Value>>(),
+    ),
+  );
+
+  Ok(())
+}
+
+fn run_strace_benchmarks(
+  deno_exe: &PathBuf,
+  new_data: &mut Map<String, Value>,
+) -> Result<()> {
+  use std::io::Read;
+
+  let mut thread_count = Map::new();
+  let mut syscall_count = Map::new();
+
+  for (name, args, _) in EXEC_TIME_BENCHMARKS {
+    let mut file = tempfile::NamedTempFile::new()?;
+
+    Command::new("strace")
+      .args(&[
+        "-c",
+        "-f",
+        "-o",
+        file.path().to_str().unwrap(),
+        deno_exe.to_str().unwrap(),
+      ])
+      .args(args.iter())
+      .stdout(Stdio::null())
+      .spawn()?
+      .wait()?;
+
+    let mut output = String::new();
+    file.as_file_mut().read_to_string(&mut output)?;
+
+    let strace_result = test_util::parse_strace_output(&output);
+    thread_count.insert(
+      name.to_string(),
+      Value::Number(Number::from(
+        strace_result.get("clone").unwrap().calls + 1,
+      )),
+    );
+    syscall_count.insert(
+      name.to_string(),
+      Value::Number(Number::from(strace_result.get("total").unwrap().calls)),
+    );
+  }
+
+  new_data.insert("thread_count".to_string(), Value::Object(thread_count));
+  new_data.insert("syscall_count".to_string(), Value::Object(syscall_count));
+
+  Ok(())
+}
+
+fn run_max_mem_benchmark(deno_exe: &PathBuf) -> Result<Value> {
+  let mut results = Map::new();
+
+  for (name, args, return_code) in EXEC_TIME_BENCHMARKS {
+    let proc = Command::new("time")
+      .args(&["-v", deno_exe.to_str().unwrap()])
+      .args(args.iter())
+      .stdout(Stdio::null())
+      .stderr(Stdio::piped())
+      .spawn()?;
+
+    let proc_result = proc.wait_with_output()?;
+    if let Some(code) = return_code {
+      assert_eq!(proc_result.status.code().unwrap(), *code);
+    }
+    let out = String::from_utf8(proc_result.stderr)?;
+
+    results.insert(
+      name.to_string(),
+      Value::Number(Number::from(test_util::parse_max_mem(&out).unwrap())),
+    );
+  }
+
+  Ok(Value::Object(results))
+}
+
+/*
+ TODO(SyrupThinker)
+ Switch to the #[bench] attribute once
+ it is stabilized.
+ Before that the #[test] tests won't be run because
+ we replace the harness with our own runner here.
+*/
+fn main() -> Result<()> {
+  if env::args().find(|s| s == "--bench").is_none() {
+    return Ok(());
+  }
+
+  println!("Starting Deno benchmark");
+
+  let target_dir = test_util::target_dir();
+  let deno_exe = test_util::deno_exe_path();
+
+  env::set_current_dir(&test_util::root_path())?;
+
+  let mut new_data: Map<String, Value> = Map::new();
+
+  new_data.insert(
+    "created_at".to_string(),
+    Value::String(
+      chrono::Utc::now().to_rfc3339_opts(chrono::SecondsFormat::Secs, true),
+    ),
+  );
+  new_data.insert(
+    "sha1".to_string(),
+    Value::String(
+      test_util::run_collect(
+        &["git", "rev-parse", "HEAD"],
+        None,
+        None,
+        None,
+        true,
+      )
+      .0
+      .trim()
+      .to_string(),
+    ),
+  );
+
+  // TODO(ry) The "benchmark" benchmark should actually be called "exec_time".
+  // When this is changed, the historical data in gh-pages branch needs to be
+  // changed too.
+  new_data.insert(
+    "benchmark".to_string(),
+    run_exec_time(&deno_exe, &target_dir)?,
+  );
+
+  new_data.insert("binary_size".to_string(), get_binary_sizes(&target_dir)?);
+  new_data.insert("bundle_size".to_string(), bundle_benchmark(&deno_exe)?);
+
+  // Cannot run throughput benchmark on windows because they don't have nc or
+  // pipe.
+  if cfg!(not(target_os = "windows")) {
+    new_data.insert("throughput".to_string(), run_throughput(&deno_exe)?);
+    run_http(&target_dir, &mut new_data)?;
+  }
+
+  if cfg!(target_os = "linux") {
+    run_strace_benchmarks(&deno_exe, &mut new_data)?;
+    new_data
+      .insert("max_memory".to_string(), run_max_mem_benchmark(&deno_exe)?);
+  }
+
+  println!("===== <BENCHMARK RESULTS>");
+  serde_json::to_writer_pretty(std::io::stdout(), &new_data)?;
+  println!("\n===== </BENCHMARK RESULTS>");
+
+  if let Some(filename) = target_dir.join("bench.json").to_str() {
+    write_json(filename, &Value::Object(new_data))?;
+  } else {
+    eprintln!("Cannot write bench.json, path is invalid");
+  }
+
+  Ok(())
+}
+
+#[derive(Debug)]
+enum Error {
+  Io(std::io::Error),
+  Serde(serde_json::error::Error),
+  FromUtf8(std::string::FromUtf8Error),
+  Walkdir(walkdir::Error),
+}
+
+impl From<std::io::Error> for Error {
+  fn from(ioe: std::io::Error) -> Self {
+    Error::Io(ioe)
+  }
+}
+
+impl From<serde_json::error::Error> for Error {
+  fn from(sje: serde_json::error::Error) -> Self {
+    Error::Serde(sje)
+  }
+}
+
+impl From<std::string::FromUtf8Error> for Error {
+  fn from(fue: std::string::FromUtf8Error) -> Self {
+    Error::FromUtf8(fue)
+  }
+}
+
+impl From<walkdir::Error> for Error {
+  fn from(wde: walkdir::Error) -> Self {
+    Error::Walkdir(wde)
+  }
+}
+
+pub(crate) type Result<T> = std::result::Result<T, Error>;
diff --git a/tools/node_http.js b/cli/bench/node_http.js
index 189098e4c..189098e4c 100644
--- a/tools/node_http.js
+++ b/cli/bench/node_http.js
diff --git a/tools/node_http_proxy.js b/cli/bench/node_http_proxy.js
index b984c484f..b984c484f 100644
--- a/tools/node_http_proxy.js
+++ b/cli/bench/node_http_proxy.js
diff --git a/tools/node_tcp.js b/cli/bench/node_tcp.js
index 22e2a5161..22e2a5161 100644
--- a/tools/node_tcp.js
+++ b/cli/bench/node_tcp.js
diff --git a/tools/node_tcp_promise.js b/cli/bench/node_tcp_promise.js
index 36709d2b9..36709d2b9 100644
--- a/tools/node_tcp_promise.js
+++ b/cli/bench/node_tcp_promise.js
diff --git a/tools/node_tcp_proxy.js b/cli/bench/node_tcp_proxy.js
index d693dc5c8..d693dc5c8 100644
--- a/tools/node_tcp_proxy.js
+++ b/cli/bench/node_tcp_proxy.js
diff --git a/cli/bench/throughput.rs b/cli/bench/throughput.rs
new file mode 100644
index 000000000..0be46f142
--- /dev/null
+++ b/cli/bench/throughput.rs
@@ -0,0 +1,62 @@
+// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
+
+use super::Result;
+use serde_json::{Number, Value};
+use std::{
+  path::PathBuf,
+  process::Command,
+  time::{Duration, Instant},
+};
+
+const MB: usize = 1024 * 1024;
+const SERVER_ADDR: &str = "0.0.0.0:4544";
+const CLIENT_ADDR: &str = "127.0.0.1 4544";
+
+pub(crate) fn cat(deno_exe: &PathBuf, megs: usize) -> Result<Value> {
+  let size = megs * MB;
+  let shell_cmd = format!(
+    "{} run --allow-read cli/tests/cat.ts /dev/zero | head -c {}",
+    deno_exe.to_str().unwrap(),
+    size
+  );
+  println!("{}", shell_cmd);
+  let cmd = &["sh", "-c", &shell_cmd];
+
+  let start = Instant::now();
+  let _ = test_util::run_collect(cmd, None, None, None, true);
+  let end = Instant::now();
+
+  Ok(Value::Number(
+    Number::from_f64((end - start).as_secs_f64()).unwrap(),
+  ))
+}
+
+pub(crate) fn tcp(deno_exe: &PathBuf, megs: usize) -> Result<Value> {
+  let size = megs * MB;
+
+  let shell_cmd = format!("head -c {} /dev/zero | nc {}", size, CLIENT_ADDR);
+  println!("{}", shell_cmd);
+  let cmd = &["sh", "-c", &shell_cmd];
+
+  // Run deno echo server in the background.
+  let mut echo_server = Command::new(deno_exe.to_str().unwrap())
+    .args(&[
+      "run",
+      "--allow-net",
+      "cli/tests/echo_server.ts",
+      SERVER_ADDR,
+    ])
+    .spawn()?;
+
+  std::thread::sleep(Duration::from_secs(5)); // wait for deno to wake up. TODO racy.
+
+  let start = Instant::now();
+  let _ = test_util::run_collect(cmd, None, None, None, true);
+  let end = Instant::now();
+
+  echo_server.kill()?;
+
+  Ok(Value::Number(
+    Number::from_f64((end - start).as_secs_f64()).unwrap(),
+  ))
+}
diff --git a/cli/tests/integration_tests.rs b/cli/tests/integration_tests.rs
index 4184b0b0a..c0dcdb606 100644
--- a/cli/tests/integration_tests.rs
+++ b/cli/tests/integration_tests.rs
@@ -273,11 +273,6 @@ grault",
 }
 
 #[test]
-fn benchmark_test() {
-  util::run_python_script("tools/benchmark_test.py")
-}
-
-#[test]
 fn deno_dir_test() {
   use std::fs::remove_dir_all;
   let _g = util::http_server();
diff --git a/test_util/src/lib.rs b/test_util/src/lib.rs
index 9b029c355..84e353a8b 100644
--- a/test_util/src/lib.rs
+++ b/test_util/src/lib.rs
@@ -10,6 +10,7 @@ use os_pipe::pipe;
 #[cfg(unix)]
 pub use pty;
 use regex::Regex;
+use std::collections::HashMap;
 use std::env;
 use std::io::Read;
 use std::io::Write;
@@ -57,10 +58,18 @@ pub fn root_path() -> PathBuf {
   PathBuf::from(concat!(env!("CARGO_MANIFEST_DIR"), "/.."))
 }
 
+pub fn prebuilt_path() -> PathBuf {
+  third_party_path().join("prebuilt")
+}
+
 pub fn tests_path() -> PathBuf {
   root_path().join("cli").join("tests")
 }
 
+pub fn third_party_path() -> PathBuf {
+  root_path().join("third_party")
+}
+
 pub fn target_dir() -> PathBuf {
   let current_exe = std::env::current_exe().unwrap();
   let target_dir = current_exe.parent().unwrap().parent().unwrap();
@@ -77,6 +86,24 @@ pub fn deno_exe_path() -> PathBuf {
   p
 }
 
+pub fn prebuilt_tool_path(tool: &str) -> PathBuf {
+  let mut exe = tool.to_string();
+  exe.push_str(if cfg!(windows) { ".exe" } else { "" });
+  prebuilt_path().join(platform_dir_name()).join(exe)
+}
+
+fn platform_dir_name() -> &'static str {
+  if cfg!(target_os = "linux") {
+    "linux64"
+  } else if cfg!(target_os = "macos") {
+    "mac"
+  } else if cfg!(target_os = "windows") {
+    "win"
+  } else {
+    unreachable!()
+  }
+}
+
 pub fn test_server_path() -> PathBuf {
   let mut p = target_dir().join("test_server");
   if cfg!(windows) {
@@ -578,6 +605,76 @@ pub fn strip_ansi_codes(s: &str) -> std::borrow::Cow<str> {
   STRIP_ANSI_RE.replace_all(s, "")
 }
 
+pub fn run(
+  cmd: &[&str],
+  input: Option<&[&str]>,
+  envs: Option<Vec<(String, String)>>,
+  current_dir: Option<&str>,
+  expect_success: bool,
+) {
+  let mut process_builder = Command::new(cmd[0]);
+  process_builder.args(&cmd[1..]).stdin(Stdio::piped());
+
+  if let Some(dir) = current_dir {
+    process_builder.current_dir(dir);
+  }
+  if let Some(envs) = envs {
+    process_builder.envs(envs);
+  }
+  let mut prog = process_builder.spawn().expect("failed to spawn script");
+  if let Some(lines) = input {
+    let stdin = prog.stdin.as_mut().expect("failed to get stdin");
+    stdin
+      .write_all(lines.join("\n").as_bytes())
+      .expect("failed to write to stdin");
+  }
+  let status = prog.wait().expect("failed to wait on child");
+  if expect_success != status.success() {
+    panic!("Unexpected exit code: {:?}", status.code());
+  }
+}
+
+pub fn run_collect(
+  cmd: &[&str],
+  input: Option<&[&str]>,
+  envs: Option<Vec<(String, String)>>,
+  current_dir: Option<&str>,
+  expect_success: bool,
+) -> (String, String) {
+  let mut process_builder = Command::new(cmd[0]);
+  process_builder
+    .args(&cmd[1..])
+    .stdin(Stdio::piped())
+    .stdout(Stdio::piped())
+    .stderr(Stdio::piped());
+  if let Some(dir) = current_dir {
+    process_builder.current_dir(dir);
+  }
+  if let Some(envs) = envs {
+    process_builder.envs(envs);
+  }
+  let mut prog = process_builder.spawn().expect("failed to spawn script");
+  if let Some(lines) = input {
+    let stdin = prog.stdin.as_mut().expect("failed to get stdin");
+    stdin
+      .write_all(lines.join("\n").as_bytes())
+      .expect("failed to write to stdin");
+  }
+  let Output {
+    stdout,
+    stderr,
+    status,
+  } = prog.wait_with_output().expect("failed to wait on child");
+  let stdout = String::from_utf8(stdout).unwrap();
+  let stderr = String::from_utf8(stderr).unwrap();
+  if expect_success != status.success() {
+    eprintln!("stdout: <<<{}>>>", stdout);
+    eprintln!("stderr: <<<{}>>>", stderr);
+    panic!("Unexpected exit code: {:?}", status.code());
+  }
+  (stdout, stderr)
+}
+
 pub fn run_and_collect_output(
   expect_success: bool,
   args: &str,
@@ -855,45 +952,248 @@ pub fn test_pty(args: &str, output_path: &str, input: &[u8]) {
   }
 }
 
-#[test]
-fn test_wildcard_match() {
-  let fixtures = vec![
-    ("foobarbaz", "foobarbaz", true),
-    ("[WILDCARD]", "foobarbaz", true),
-    ("foobar", "foobarbaz", false),
-    ("foo[WILDCARD]baz", "foobarbaz", true),
-    ("foo[WILDCARD]baz", "foobazbar", false),
-    ("foo[WILDCARD]baz[WILDCARD]qux", "foobarbazqatqux", true),
-    ("foo[WILDCARD]", "foobar", true),
-    ("foo[WILDCARD]baz[WILDCARD]", "foobarbazqat", true),
-    // check with different line endings
-    ("foo[WILDCARD]\nbaz[WILDCARD]\n", "foobar\nbazqat\n", true),
-    (
-      "foo[WILDCARD]\nbaz[WILDCARD]\n",
-      "foobar\r\nbazqat\r\n",
-      true,
-    ),
-    (
-      "foo[WILDCARD]\r\nbaz[WILDCARD]\n",
-      "foobar\nbazqat\r\n",
-      true,
-    ),
-    (
-      "foo[WILDCARD]\r\nbaz[WILDCARD]\r\n",
-      "foobar\nbazqat\n",
-      true,
-    ),
-    (
-      "foo[WILDCARD]\r\nbaz[WILDCARD]\r\n",
-      "foobar\r\nbazqat\r\n",
-      true,
-    ),
-  ];
-
-  // Iterate through the fixture lists, testing each one
-  for (pattern, string, expected) in fixtures {
-    let actual = wildcard_match(pattern, string);
-    dbg!(pattern, string, expected);
-    assert_eq!(actual, expected);
+pub struct WrkOutput {
+  pub latency: f64,
+  pub requests: u64,
+}
+
+pub fn parse_wrk_output(output: &str) -> WrkOutput {
+  lazy_static! {
+    static ref REQUESTS_RX: Regex =
+      Regex::new(r"Requests/sec:\s+(\d+)").unwrap();
+    static ref LATENCY_RX: Regex =
+      Regex::new(r"\s+99%(?:\s+(\d+.\d+)([a-z]+))").unwrap();
+  }
+
+  let mut requests = None;
+  let mut latency = None;
+
+  for line in output.lines() {
+    if requests == None {
+      if let Some(cap) = REQUESTS_RX.captures(line) {
+        requests =
+          Some(str::parse::<u64>(cap.get(1).unwrap().as_str()).unwrap());
+      }
+    }
+    if latency == None {
+      if let Some(cap) = LATENCY_RX.captures(line) {
+        let time = cap.get(1).unwrap();
+        let unit = cap.get(2).unwrap();
+
+        latency = Some(
+          str::parse::<f64>(time.as_str()).unwrap()
+            * match unit.as_str() {
+              "ms" => 1.0,
+              "us" => 0.001,
+              "s" => 1000.0,
+              _ => unreachable!(),
+            },
+        );
+      }
+    }
+  }
+
+  WrkOutput {
+    requests: requests.unwrap(),
+    latency: latency.unwrap(),
+  }
+}
+
+pub struct StraceOutput {
+  pub percent_time: f64,
+  pub seconds: f64,
+  pub usecs_per_call: Option<u64>,
+  pub calls: u64,
+  pub errors: u64,
+}
+
+pub fn parse_strace_output(output: &str) -> HashMap<String, StraceOutput> {
+  let mut summary = HashMap::new();
+
+  // Filter out non-relevant lines. See the error log at
+  // https://github.com/denoland/deno/pull/3715/checks?check_run_id=397365887
+  // This is checked in testdata/strace_summary2.out
+  let mut lines = output
+    .lines()
+    .filter(|line| !line.is_empty() && !line.contains("detached ..."));
+  let count = lines.clone().count();
+
+  if count < 4 {
+    return summary;
+  }
+
+  let total_line = lines.next_back().unwrap();
+  lines.next_back(); // Drop separator
+  let data_lines = lines.skip(2);
+
+  for line in data_lines {
+    let syscall_fields = line.split_whitespace().collect::<Vec<_>>();
+    let len = syscall_fields.len();
+    let syscall_name = syscall_fields.last().unwrap();
+
+    if 5 <= len && len <= 6 {
+      summary.insert(
+        syscall_name.to_string(),
+        StraceOutput {
+          percent_time: str::parse::<f64>(syscall_fields[0]).unwrap(),
+          seconds: str::parse::<f64>(syscall_fields[1]).unwrap(),
+          usecs_per_call: Some(str::parse::<u64>(syscall_fields[2]).unwrap()),
+          calls: str::parse::<u64>(syscall_fields[3]).unwrap(),
+          errors: if syscall_fields.len() < 6 {
+            0
+          } else {
+            str::parse::<u64>(syscall_fields[4]).unwrap()
+          },
+        },
+      );
+    }
+  }
+
+  let total_fields = total_line.split_whitespace().collect::<Vec<_>>();
+  summary.insert(
+    "total".to_string(),
+    StraceOutput {
+      percent_time: str::parse::<f64>(total_fields[0]).unwrap(),
+      seconds: str::parse::<f64>(total_fields[1]).unwrap(),
+      usecs_per_call: None,
+      calls: str::parse::<u64>(total_fields[2]).unwrap(),
+      errors: str::parse::<u64>(total_fields[3]).unwrap(),
+    },
+  );
+
+  summary
+}
+
+pub fn parse_max_mem(output: &str) -> Option<u64> {
+  // Takes the output from "time -v" as input and extracts the 'maximum
+  // resident set size' and returns it in bytes.
+  for line in output.lines() {
+    if line
+      .to_lowercase()
+      .contains("maximum resident set size (kbytes)")
+    {
+      let value = line.split(": ").nth(1).unwrap();
+      return Some(str::parse::<u64>(value).unwrap() * 1024);
+    }
+  }
+
+  None
+}
+
+#[cfg(test)]
+mod tests {
+  use super::*;
+
+  #[test]
+  fn parse_wrk_output_1() {
+    const TEXT: &str = include_str!("./testdata/wrk1.txt");
+    let wrk = parse_wrk_output(TEXT);
+    assert_eq!(wrk.requests, 1837);
+    assert!((wrk.latency - 6.25).abs() < f64::EPSILON);
+  }
+
+  #[test]
+  fn parse_wrk_output_2() {
+    const TEXT: &str = include_str!("./testdata/wrk2.txt");
+    let wrk = parse_wrk_output(TEXT);
+    assert_eq!(wrk.requests, 53435);
+    assert!((wrk.latency - 6.22).abs() < f64::EPSILON);
+  }
+
+  #[test]
+  fn parse_wrk_output_3() {
+    const TEXT: &str = include_str!("./testdata/wrk3.txt");
+    let wrk = parse_wrk_output(TEXT);
+    assert_eq!(wrk.requests, 96037);
+    assert!((wrk.latency - 6.36).abs() < f64::EPSILON);
+  }
+
+  #[test]
+  fn strace_parse_1() {
+    const TEXT: &str = include_str!("./testdata/strace_summary.out");
+    let strace = parse_strace_output(TEXT);
+
+    // first syscall line
+    let munmap = strace.get("munmap").unwrap();
+    assert_eq!(munmap.calls, 60);
+    assert_eq!(munmap.errors, 0);
+
+    // line with errors
+    assert_eq!(strace.get("mkdir").unwrap().errors, 2);
+
+    // last syscall line
+    let prlimit = strace.get("prlimit64").unwrap();
+    assert_eq!(prlimit.calls, 2);
+    assert!((prlimit.percent_time - 0.0).abs() < f64::EPSILON);
+
+    // summary line
+    assert_eq!(strace.get("total").unwrap().calls, 704);
+    assert_eq!(strace.get("total").unwrap().errors, 5);
+  }
+
+  #[test]
+  fn strace_parse_2() {
+    const TEXT: &str = include_str!("./testdata/strace_summary2.out");
+    let strace = parse_strace_output(TEXT);
+
+    // first syscall line
+    let futex = strace.get("futex").unwrap();
+    assert_eq!(futex.calls, 449);
+    assert_eq!(futex.errors, 94);
+
+    // summary line
+    assert_eq!(strace.get("total").unwrap().calls, 821);
+    assert_eq!(strace.get("total").unwrap().errors, 107);
+  }
+
+  #[test]
+  fn test_wildcard_match() {
+    let fixtures = vec![
+      ("foobarbaz", "foobarbaz", true),
+      ("[WILDCARD]", "foobarbaz", true),
+      ("foobar", "foobarbaz", false),
+      ("foo[WILDCARD]baz", "foobarbaz", true),
+      ("foo[WILDCARD]baz", "foobazbar", false),
+      ("foo[WILDCARD]baz[WILDCARD]qux", "foobarbazqatqux", true),
+      ("foo[WILDCARD]", "foobar", true),
+      ("foo[WILDCARD]baz[WILDCARD]", "foobarbazqat", true),
+      // check with different line endings
+      ("foo[WILDCARD]\nbaz[WILDCARD]\n", "foobar\nbazqat\n", true),
+      (
+        "foo[WILDCARD]\nbaz[WILDCARD]\n",
+        "foobar\r\nbazqat\r\n",
+        true,
+      ),
+      (
+        "foo[WILDCARD]\r\nbaz[WILDCARD]\n",
+        "foobar\nbazqat\r\n",
+        true,
+      ),
+      (
+        "foo[WILDCARD]\r\nbaz[WILDCARD]\r\n",
+        "foobar\nbazqat\n",
+        true,
+      ),
+      (
+        "foo[WILDCARD]\r\nbaz[WILDCARD]\r\n",
+        "foobar\r\nbazqat\r\n",
+        true,
+      ),
+    ];
+
+    // Iterate through the fixture lists, testing each one
+    for (pattern, string, expected) in fixtures {
+      let actual = wildcard_match(pattern, string);
+      dbg!(pattern, string, expected);
+      assert_eq!(actual, expected);
+    }
+  }
+
+  #[test]
+  fn max_mem_parse() {
+    const TEXT: &str = include_str!("./testdata/time.out");
+    let size = parse_max_mem(TEXT);
+
+    assert_eq!(size, Some(120380 * 1024));
   }
 }
diff --git a/tools/testdata/strace_summary.out b/test_util/src/testdata/strace_summary.out
index 7984b175a..7984b175a 100644
--- a/tools/testdata/strace_summary.out
+++ b/test_util/src/testdata/strace_summary.out
diff --git a/tools/testdata/strace_summary2.out b/test_util/src/testdata/strace_summary2.out
index 798a06665..798a06665 100644
--- a/tools/testdata/strace_summary2.out
+++ b/test_util/src/testdata/strace_summary2.out
diff --git a/tools/testdata/time.out b/test_util/src/testdata/time.out
index 3ff409bd7..3ff409bd7 100644
--- a/tools/testdata/time.out
+++ b/test_util/src/testdata/time.out
diff --git a/tools/testdata/wrk1.txt b/test_util/src/testdata/wrk1.txt
index 8ad7cf739..8ad7cf739 100644
--- a/tools/testdata/wrk1.txt
+++ b/test_util/src/testdata/wrk1.txt
diff --git a/tools/testdata/wrk2.txt b/test_util/src/testdata/wrk2.txt
index 4b68c6c8a..4b68c6c8a 100644
--- a/tools/testdata/wrk2.txt
+++ b/test_util/src/testdata/wrk2.txt
diff --git a/tools/testdata/wrk3.txt b/test_util/src/testdata/wrk3.txt
index 4c115a096..4c115a096 100644
--- a/tools/testdata/wrk3.txt
+++ b/test_util/src/testdata/wrk3.txt
diff --git a/tools/benchmark.py b/tools/benchmark.py
deleted file mode 100755
index 74a5fb665..000000000
--- a/tools/benchmark.py
+++ /dev/null
@@ -1,277 +0,0 @@
-#!/usr/bin/env python
-# Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
-# Performs benchmark and append data to //website/data.json.
-# If //website/data.json doesn't exist, this script tries to import it from
-# gh-pages branch.
-# To view the results locally run target/debug/test_server and visit
-# http://localhost:4545/website
-
-import os
-import sys
-import json
-import time
-import tempfile
-import subprocess
-from util import build_path, executable_suffix, root_path, run, run_output
-import third_party
-from http_benchmark import http_benchmark
-import throughput_benchmark
-
-# The list of the tuples of the benchmark name, arguments and return code
-exec_time_benchmarks = [
-    ("hello", ["run", "cli/tests/002_hello.ts"], None),
-    ("relative_import", ["run", "cli/tests/003_relative_import.ts"], None),
-    ("error_001", ["run", "cli/tests/error_001.ts"], 1),
-    ("cold_hello", ["run", "--reload", "cli/tests/002_hello.ts"], None),
-    ("cold_relative_import",
-     ["run", "--reload", "cli/tests/003_relative_import.ts"], None),
-    ("workers_startup",
-     ["run", "--allow-read", "cli/tests/workers_startup_bench.ts"], None),
-    ("workers_round_robin",
-     ["run", "--allow-read", "cli/tests/workers_round_robin_bench.ts"], None),
-    ("text_decoder", ["run", "cli/tests/text_decoder_perf.js"], None),
-    ("text_encoder", ["run", "cli/tests/text_encoder_perf.js"], None),
-    ("check", ["cache", "--reload", "std/examples/chat/server_test.ts"], None),
-    ("no_check",
-     ["cache", "--reload", "--no-check",
-      "std/examples/chat/server_test.ts"], None),
-]
-
-
-def read_json(filename):
-    with open(filename) as json_file:
-        return json.load(json_file)
-
-
-def write_json(filename, data):
-    with open(filename, 'w') as outfile:
-        json.dump(data, outfile)
-
-
-def get_binary_sizes(build_dir):
-    sizes = {}
-    mtimes = {}
-    # The deno executable should be located at the root of the build tree.
-    deno_exe = os.path.join(build_dir, "deno" + executable_suffix)
-    sizes["deno"] = os.path.getsize(deno_exe)
-    # Because cargo's OUT_DIR is not predictable, search the build tree for
-    # snapshot related files.
-    for parent_dir, _, file_names in os.walk(build_dir):
-        for file_name in file_names:
-            if not file_name in [
-                    "CLI_SNAPSHOT.bin",
-                    "COMPILER_SNAPSHOT.bin",
-            ]:
-                continue
-            file_path = os.path.join(parent_dir, file_name)
-            file_mtime = os.path.getmtime(file_path)
-            # If multiple copies of a file are found, use the most recent one.
-            if file_name in mtimes and mtimes[file_name] > file_mtime:
-                continue
-            mtimes[file_name] = file_mtime
-            sizes[file_name] = os.path.getsize(file_path)
-    return sizes
-
-
-def get_strace_summary_text(test_args):
-    f = tempfile.NamedTemporaryFile()
-    cmd = ["strace", "-c", "-f", "-o", f.name] + test_args
-    try:
-        subprocess.check_output(cmd)
-    except subprocess.CalledProcessError:
-        pass
-    return f.read()
-
-
-def strace_parse(summary_text):
-    summary = {}
-    # clear empty lines
-    lines = list(filter(lambda x: x and x != "\n", summary_text.split("\n")))
-    # Filter out non-relevant lines. See the error log at
-    # https://github.com/denoland/deno/pull/3715/checks?check_run_id=397365887
-    # This is checked in tools/testdata/strace_summary2.out
-    lines = [x for x in lines if x.find("detached ...") == -1]
-    if len(lines) < 4:
-        return {}  # malformed summary
-    lines, total_line = lines[2:-2], lines[-1]
-    # data to dict for each line
-    for line in lines:
-        syscall_fields = line.split()
-        syscall_name = syscall_fields[-1]
-        syscall_dict = {}
-        if 5 <= len(syscall_fields) <= 6:
-            syscall_dict = {
-                "% time": float(syscall_fields[0]),
-                "seconds": float(syscall_fields[1]),
-                "usecs/call": int(syscall_fields[2]),
-                "calls": int(syscall_fields[3])
-            }
-            syscall_dict["errors"] = 0 if len(syscall_fields) < 6 else int(
-                syscall_fields[4])
-        summary[syscall_name] = syscall_dict
-    # record overall (total) data
-    total_fields = total_line.split()
-    summary["total"] = {
-        "% time": float(total_fields[0]),
-        "seconds": float(total_fields[1]),
-        "calls": int(total_fields[2]),
-        "errors": int(total_fields[3])
-    }
-    return summary
-
-
-def get_strace_summary(test_args):
-    s = get_strace_summary_text(test_args)
-    try:
-        return strace_parse(s)
-    except ValueError:
-        print "error parsing strace"
-        print "----- <strace> -------"
-        print s
-        print "----- </strace> ------"
-
-
-def run_throughput(deno_exe):
-    m = {}
-    m["100M_tcp"] = throughput_benchmark.tcp(deno_exe, 100)
-    m["100M_cat"] = throughput_benchmark.cat(deno_exe, 100)
-    m["10M_tcp"] = throughput_benchmark.tcp(deno_exe, 10)
-    m["10M_cat"] = throughput_benchmark.cat(deno_exe, 10)
-    return m
-
-
-# "thread_count" and "syscall_count" are both calculated here.
-def run_strace_benchmarks(deno_exe, new_data):
-    thread_count = {}
-    syscall_count = {}
-    for (name, args, _) in exec_time_benchmarks:
-        s = get_strace_summary([deno_exe] + args)
-        thread_count[name] = s["clone"]["calls"] + 1
-        syscall_count[name] = s["total"]["calls"]
-    new_data["thread_count"] = thread_count
-    new_data["syscall_count"] = syscall_count
-
-
-# Takes the output from "/usr/bin/time -v" as input and extracts the 'maximum
-# resident set size' and returns it in bytes.
-def find_max_mem_in_bytes(time_v_output):
-    for line in time_v_output.split('\n'):
-        if 'maximum resident set size (kbytes)' in line.lower():
-            _, value = line.split(': ')
-            return int(value) * 1024
-
-
-def run_max_mem_benchmark(deno_exe):
-    results = {}
-    for (name, args, return_code) in exec_time_benchmarks:
-        cmd = ["/usr/bin/time", "-v", deno_exe] + args
-        try:
-            out = subprocess.check_output(cmd, stderr=subprocess.STDOUT)
-        except subprocess.CalledProcessError as e:
-            if (return_code is e.returncode):
-                pass
-            else:
-                raise e
-        mem = find_max_mem_in_bytes(out)
-        results[name] = mem
-    return results
-
-
-def run_exec_time(deno_exe, build_dir):
-    hyperfine_exe = third_party.get_prebuilt_tool_path("hyperfine")
-    benchmark_file = os.path.join(build_dir, "hyperfine_results.json")
-
-    def benchmark_command(deno_exe, args, return_code):
-        # Bash test which asserts the return code value of the previous command
-        # $? contains the return code of the previous command
-        return_code_test = "; test $? -eq {}".format(
-            return_code) if return_code is not None else ""
-        return "{} {}{}".format(deno_exe, " ".join(args), return_code_test)
-
-    run([hyperfine_exe, "--export-json", benchmark_file, "--warmup", "3"] + [
-        benchmark_command(deno_exe, args, return_code)
-        for (_, args, return_code) in exec_time_benchmarks
-    ])
-    hyperfine_results = read_json(benchmark_file)
-    results = {}
-    for [[name, _, _], data] in zip(exec_time_benchmarks,
-                                    hyperfine_results["results"]):
-        results[name] = {
-            "mean": data["mean"],
-            "stddev": data["stddev"],
-            "user": data["user"],
-            "system": data["system"],
-            "min": data["min"],
-            "max": data["max"]
-        }
-    return results
-
-
-def run_http(build_dir, new_data):
-    stats = http_benchmark(build_dir)
-    new_data["req_per_sec"] = {k: v["req_per_sec"] for k, v in stats.items()}
-    new_data["max_latency"] = {k: v["max_latency"] for k, v in stats.items()}
-
-
-def bundle_benchmark(deno_exe):
-    bundles = {
-        "file_server": "./std/http/file_server.ts",
-        "gist": "./std/examples/gist.ts",
-    }
-
-    sizes = {}
-
-    for name, url in bundles.items():
-        # bundle
-        path = name + ".bundle.js"
-        run([deno_exe, "bundle", "--unstable", url, path])
-        # get size of bundle
-        assert os.path.exists(path)
-        sizes[name] = os.path.getsize(path)
-        # remove bundle
-        os.remove(path)
-
-    return sizes
-
-
-def main():
-    build_dir = build_path()
-    sha1 = run_output(["git", "rev-parse", "HEAD"],
-                      exit_on_fail=True).out.strip()
-
-    deno_exe = os.path.join(build_dir, "deno")
-
-    os.chdir(root_path)
-
-    new_data = {
-        "created_at": time.strftime("%Y-%m-%dT%H:%M:%SZ"),
-        "sha1": sha1,
-    }
-
-    # TODO(ry) The "benchmark" benchmark should actually be called "exec_time".
-    # When this is changed, the historical data in gh-pages branch needs to be
-    # changed too.
-    new_data["benchmark"] = run_exec_time(deno_exe, build_dir)
-
-    new_data["binary_size"] = get_binary_sizes(build_dir)
-    new_data["bundle_size"] = bundle_benchmark(deno_exe)
-
-    # Cannot run throughput benchmark on windows because they don't have nc or
-    # pipe.
-    if os.name != 'nt':
-        new_data["throughput"] = run_throughput(deno_exe)
-        run_http(build_dir, new_data)
-
-    if "linux" in sys.platform:
-        run_strace_benchmarks(deno_exe, new_data)
-        new_data["max_memory"] = run_max_mem_benchmark(deno_exe)
-
-    print "===== <BENCHMARK RESULTS>"
-    print json.dumps(new_data, indent=2)
-    print "===== </BENCHMARK RESULTS>"
-
-    write_json(os.path.join(build_dir, "bench.json"), new_data)
-
-
-if __name__ == '__main__':
-    main()
diff --git a/tools/benchmark_test.py b/tools/benchmark_test.py
deleted file mode 100755
index efd4594b6..000000000
--- a/tools/benchmark_test.py
+++ /dev/null
@@ -1,66 +0,0 @@
-#!/usr/bin/env python
-# Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
-import sys
-import os
-import unittest
-import benchmark
-from test_util import DenoTestCase, run_tests
-
-
-class TestBenchmark(DenoTestCase):
-    def test_strace_parse(self):
-        with open(
-                os.path.join(sys.path[0], "testdata/strace_summary.out"),
-                "r") as f:
-            summary = benchmark.strace_parse(f.read())
-            # first syscall line
-            assert summary["munmap"]["calls"] == 60
-            assert summary["munmap"]["errors"] == 0
-            # line with errors
-            assert summary["mkdir"]["errors"] == 2
-            # last syscall line
-            assert summary["prlimit64"]["calls"] == 2
-            assert summary["prlimit64"]["% time"] == 0
-            # summary line
-            assert summary["total"]["calls"] == 704
-
-    def test_strace_parse2(self):
-        with open(
-                os.path.join(sys.path[0], "testdata/strace_summary2.out"),
-                "r") as f:
-            summary = benchmark.strace_parse(f.read())
-            # first syscall line
-            assert summary["futex"]["calls"] == 449
-            assert summary["futex"]["errors"] == 94
-            # summary line
-            assert summary["total"]["calls"] == 821
-
-    def test_max_mem_parse(self):
-        with open(os.path.join(sys.path[0], "testdata/time.out"), "r") as f:
-            data = f.read()
-            assert benchmark.find_max_mem_in_bytes(data) == 120380 * 1024
-
-    def test_binary_size(self):
-        binary_size_dict = benchmark.get_binary_sizes(self.build_dir)
-        assert binary_size_dict["deno"] > 0
-        assert binary_size_dict["CLI_SNAPSHOT.bin"] > 0
-
-    @unittest.skipIf("linux" not in sys.platform,
-                     "strace only supported on linux")
-    def test_strace(self):
-        new_data = {}
-        benchmark.run_strace_benchmarks(self.deno_exe, new_data)
-        assert "thread_count" in new_data
-        assert "syscall_count" in new_data
-
-        s = new_data["thread_count"]
-        assert "hello" in s
-        assert s["hello"] > 1
-
-        s = new_data["syscall_count"]
-        assert "hello" in s
-        assert s["hello"] > 1
-
-
-if __name__ == '__main__':
-    run_tests()
diff --git a/tools/http_benchmark.py b/tools/http_benchmark.py
deleted file mode 100755
index 17420fe84..000000000
--- a/tools/http_benchmark.py
+++ /dev/null
@@ -1,215 +0,0 @@
-#!/usr/bin/env python
-# Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
-import os
-import sys
-import time
-import subprocess
-import util
-import third_party
-
-# Some of the benchmarks in this file have been renamed. In case the history
-# somehow gets messed up:
-#   "node_http" was once called "node"
-#   "deno_tcp" was once called "deno"
-#   "deno_http" was once called "deno_net_http"
-
-DURATION = "20s"
-NEXT_PORT = 4544
-
-
-def server_addr(port):
-    return "0.0.0.0:%s" % port
-
-
-def get_port():
-    global NEXT_PORT
-    port = NEXT_PORT
-    NEXT_PORT += 1
-    # Return port as str because all usages below are as a str and having it an
-    # integer just adds complexity.
-    return str(port)
-
-
-def deno_tcp(deno_exe):
-    port = get_port()
-    deno_cmd = [
-        # TODO(lucacasonato): remove unstable when stabilized
-        deno_exe,
-        "run",
-        "--allow-net",
-        "tools/deno_tcp.ts",
-        server_addr(port)
-    ]
-    print "http_benchmark testing DENO tcp."
-    return run(deno_cmd, port)
-
-
-def deno_http(deno_exe):
-    port = get_port()
-    deno_cmd = [
-        deno_exe, "run", "--allow-net", "--reload", "--unstable",
-        "std/http/http_bench.ts",
-        server_addr(port)
-    ]
-    print "http_benchmark testing DENO using net/http."
-    return run(deno_cmd, port)
-
-
-def deno_tcp_proxy(deno_exe, hyper_hello_exe):
-    port = get_port()
-    origin_port = get_port()
-    deno_cmd = [
-        deno_exe, "run", "--allow-net", "tools/deno_tcp_proxy.ts",
-        server_addr(port),
-        server_addr(origin_port)
-    ]
-    print "http_proxy_benchmark testing DENO using net/tcp."
-    return run(
-        deno_cmd,
-        port,
-        origin_cmd=http_proxy_origin(hyper_hello_exe, origin_port))
-
-
-def deno_http_proxy(deno_exe, hyper_hello_exe):
-    port = get_port()
-    origin_port = get_port()
-    deno_cmd = [
-        deno_exe, "run", "--allow-net", "tools/deno_http_proxy.ts",
-        server_addr(port),
-        server_addr(origin_port)
-    ]
-    print "http_proxy_benchmark testing DENO using net/http."
-    return run(
-        deno_cmd,
-        port,
-        origin_cmd=http_proxy_origin(hyper_hello_exe, origin_port))
-
-
-def core_http_bin_ops(exe):
-    print "http_benchmark testing CORE http_bench_bin_ops"
-    return run([exe], 4544)
-
-
-def core_http_json_ops(exe):
-    print "http_benchmark testing CORE http_bench_json_ops"
-    return run([exe], 4544)
-
-
-def node_http():
-    port = get_port()
-    node_cmd = ["node", "tools/node_http.js", port]
-    print "http_benchmark testing NODE."
-    return run(node_cmd, port)
-
-
-def node_http_proxy(hyper_hello_exe):
-    port = get_port()
-    origin_port = get_port()
-    node_cmd = ["node", "tools/node_http_proxy.js", port, origin_port]
-    print "http_proxy_benchmark testing NODE."
-    return run(node_cmd, port, None,
-               http_proxy_origin(hyper_hello_exe, origin_port))
-
-
-def node_tcp_proxy(hyper_hello_exe):
-    port = get_port()
-    origin_port = get_port()
-    node_cmd = ["node", "tools/node_tcp_proxy.js", port, origin_port]
-    print "http_proxy_benchmark testing NODE tcp."
-    return run(node_cmd, port, None,
-               http_proxy_origin(hyper_hello_exe, origin_port))
-
-
-def node_tcp():
-    port = get_port()
-    node_cmd = ["node", "tools/node_tcp.js", port]
-    print "http_benchmark testing node_tcp.js"
-    return run(node_cmd, port)
-
-
-def http_proxy_origin(hyper_hello_exe, port):
-    return [hyper_hello_exe, port]
-
-
-def hyper_http(hyper_hello_exe):
-    port = get_port()
-    hyper_cmd = [hyper_hello_exe, port]
-    print "http_benchmark testing RUST hyper."
-    return run(hyper_cmd, port)
-
-
-def http_benchmark(build_dir):
-    deno_exe = os.path.join(build_dir, "deno")
-    hyper_hello_exe = os.path.join(build_dir, "test_server")
-    core_http_bin_ops_exe = os.path.join(build_dir,
-                                         "examples/http_bench_bin_ops")
-    core_http_json_ops_exe = os.path.join(build_dir,
-                                          "examples/http_bench_json_ops")
-    return {
-        # "deno_tcp" was once called "deno"
-        "deno_tcp": deno_tcp(deno_exe),
-        # "deno_udp": deno_udp(deno_exe),
-        "deno_http": deno_http(deno_exe),
-        # TODO(ry) deno_proxy disabled to make fetch() standards compliant.
-        # "deno_proxy": deno_http_proxy(deno_exe, hyper_hello_exe),
-        "deno_proxy_tcp": deno_tcp_proxy(deno_exe, hyper_hello_exe),
-        # "core_http_bin_ops" was once called "deno_core_single"
-        # "core_http_bin_ops" was once called "deno_core_http_bench"
-        "core_http_bin_ops": core_http_bin_ops(core_http_bin_ops_exe),
-        "core_http_json_ops": core_http_json_ops(core_http_json_ops_exe),
-        # "node_http" was once called "node"
-        "node_http": node_http(),
-        "node_proxy": node_http_proxy(hyper_hello_exe),
-        "node_proxy_tcp": node_tcp_proxy(hyper_hello_exe),
-        "node_tcp": node_tcp(),
-        "hyper": hyper_http(hyper_hello_exe)
-    }
-
-
-def run(server_cmd, port, merge_env=None, origin_cmd=None):
-
-    # Run deno echo server in the background.
-    if merge_env is None:
-        env = None
-    else:
-        env = os.environ.copy()
-        for key, value in merge_env.iteritems():
-            env[key] = value
-
-    # Wait for port 4544 to become available.
-    # TODO Need to use SO_REUSEPORT with tokio::net::TcpListener.
-    time.sleep(5)
-
-    origin = None
-    if origin_cmd is not None:
-        origin = subprocess.Popen(origin_cmd, env=env)
-
-    print server_cmd
-    server = subprocess.Popen(server_cmd, env=env)
-
-    time.sleep(5)  # wait for server to wake up. TODO racy.
-
-    try:
-        wrk = third_party.get_prebuilt_tool_path("wrk")
-        assert os.path.exists(wrk)
-        cmd = "%s -d %s --latency http://127.0.0.1:%s/" % (wrk, DURATION, port)
-        print cmd
-        output = subprocess.check_output(cmd, shell=True)
-        stats = util.parse_wrk_output(output)
-        print output
-        return stats
-    finally:
-        server_retcode = server.poll()
-        if server_retcode is not None and server_retcode != 0:
-            print "server ended with error"
-            sys.exit(1)
-        server.kill()
-        if origin is not None:
-            origin.kill()
-
-
-if __name__ == '__main__':
-    if len(sys.argv) < 2:
-        print "Usage ./tools/http_benchmark.py target/debug/deno"
-        sys.exit(1)
-    deno_http(sys.argv[1])
diff --git a/tools/lint.py b/tools/lint.py
index 5891ba9f9..e7f967140 100755
--- a/tools/lint.py
+++ b/tools/lint.py
@@ -72,6 +72,7 @@ def eslint():
         ":!:cli/tests/encoding/**",
         ":!:cli/dts/**",
         ":!:cli/tsc/*typescript.js",
+        ":!:cli/bench/node*.js",
     ])
     if source_files:
         max_command_len = 30000
diff --git a/tools/throughput_benchmark.py b/tools/throughput_benchmark.py
deleted file mode 100755
index f5b9f2db2..000000000
--- a/tools/throughput_benchmark.py
+++ /dev/null
@@ -1,64 +0,0 @@
-#!/usr/bin/env python
-# Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
-# Performs benchmark and append data to //website/data.json.
-# If //website/data.json doesn't exist, this script tries to import it from
-# gh-pages branch.
-# To view the results locally run target/debug/test_server and visit
-# http://localhost:4545/website
-
-import os
-import sys
-import time
-import subprocess
-import util
-
-MB = 1024 * 1024
-SERVER_ADDR = "0.0.0.0:4544"
-CLIENT_ADDR = "127.0.0.1 4544"
-
-
-def cat(deno_exe, megs):
-    size = megs * MB
-    start = time.time()
-    cmd = deno_exe + " run --allow-read "
-    cmd += "cli/tests/cat.ts /dev/zero | head -c %s " % size
-    print cmd
-    subprocess.check_output(cmd, shell=True)
-    end = time.time()
-    return end - start
-
-
-def tcp(deno_exe, megs):
-    size = megs * MB
-    # Run deno echo server in the background.
-    args = [
-        deno_exe, "run", "--allow-net", "cli/tests/echo_server.ts", SERVER_ADDR
-    ]
-    print args
-    echo_server = subprocess.Popen(args)
-
-    time.sleep(5)  # wait for deno to wake up. TODO racy.
-    try:
-        start = time.time()
-        nc_cmd = "nc " + CLIENT_ADDR
-        cmd = ("head -c %s /dev/zero " % size) + " | " + nc_cmd
-        print cmd
-        subprocess.check_output(cmd, shell=True)
-        end = time.time()
-        return end - start
-    finally:
-        echo_server.kill()
-
-
-def main():
-    deno_exe = sys.argv[1]
-    megs = int(sys.argv[2])
-    if not deno_exe or not megs:
-        print "Usage ./tools/throughput_benchmark.py target/debug/deno 100"
-        sys.exit(1)
-    secs = tcp(sys.argv[1], megs)
-    print secs, "seconds"
-
-
-if __name__ == '__main__':
-    main()
diff --git a/tools/util.py b/tools/util.py
index 889afae82..7cae4f84c 100644
--- a/tools/util.py
+++ b/tools/util.py
@@ -361,20 +361,6 @@ def extract_max_latency_in_milliseconds(pattern, string):
         return num * 1000
 
 
-def parse_wrk_output(output):
-    stats = {}
-    stats['req_per_sec'] = None
-    stats['max_latency'] = None
-    for line in output.split("\n"):
-        if stats['req_per_sec'] is None:
-            stats['req_per_sec'] = extract_number(r'Requests/sec:\s+(\d+)',
-                                                  line)
-        if stats['max_latency'] is None:
-            stats['max_latency'] = extract_max_latency_in_milliseconds(
-                r'\s+99%(?:\s+(\d+.\d+)([a-z]+))', line)
-    return stats
-
-
 def platform():
     return {"linux2": "linux", "darwin": "mac", "win32": "win"}[sys.platform]
 
diff --git a/tools/util_test.py b/tools/util_test.py
index 8c25b10ed..7ad9b415e 100755
--- a/tools/util_test.py
+++ b/tools/util_test.py
@@ -2,8 +2,7 @@
 import os
 
 from test_util import DenoTestCase, run_tests
-from util import (parse_exit_code, shell_quote_win, parse_wrk_output,
-                  root_path)
+from util import (parse_exit_code, shell_quote_win, root_path)
 
 
 class TestUtil(DenoTestCase):
@@ -21,22 +20,6 @@ class TestUtil(DenoTestCase):
         assert shell_quote_win(
             'a"b""c\\d\\"e\\\\') == '"a""b""""c\\d\\\\""e\\\\\\\\"'
 
-    def test_parse_wrk_output(self):
-        f = open(os.path.join(root_path, "tools/testdata/wrk1.txt"))
-        stats = parse_wrk_output(f.read())
-        assert stats['req_per_sec'] == 1837
-        assert stats['max_latency'] == 6.25
-
-        f2 = open(os.path.join(root_path, "tools/testdata/wrk2.txt"))
-        stats2 = parse_wrk_output(f2.read())
-        assert stats2['req_per_sec'] == 53435
-        assert stats2['max_latency'] == 6.22
-
-        f3 = open(os.path.join(root_path, "tools/testdata/wrk3.txt"))
-        stats3 = parse_wrk_output(f3.read())
-        assert stats3['req_per_sec'] == 96037
-        assert stats3['max_latency'] == 6.36
-
     def test_executable_exists(self):
         assert os.path.exists(self.deno_exe)