Add benchmark scripts.

To use the benchmarks:

  node benchmarks/run.js

or:

  make benchmark

The numbers reported are the elapsed milliseconds the script took to
complete. Currently only benching HTTP code and timers.

Author: ry

benchmark/process_loop.js

@@ -0,0 +1,16 @@
+function next (i) {
+  if (i <= 0) return;
+
+  var process = node.createProcess("echo hello");
+
+  process.addListener("output", function (chunk) {
+    if (chunk) print(chunk);
+  });
+
+  process.addListener("exit", function (code) {
+    if (code != 0) node.exit(-1);
+    next(i - 1);
+  });
+}
+
+next(500);

benchmark/run.js

@@ -0,0 +1,29 @@
+var benchmarks = [ "static_http_server.js" 
+                 , "timers.js"
+                 , "process_loop.js"
+                 ];
+
+var benchmark_dir = node.path.dirname(__filename);
+
+function exec (script, callback) {
+  var command = ARGV[0] + " " + node.path.join(benchmark_dir, script);
+  var start = new Date();
+  var process = node.createProcess(command);
+  process.addListener("exit", function (code) {
+    var elapsed = new Date() - start;
+    callback(elapsed, code);
+  });
+}
+
+function runNext (i) {
+  if (i >= benchmarks.length) return;
+  print(benchmarks[i] + ": ");
+  exec(benchmarks[i], function (elapsed, code) {
+    if (code != 0) {
+      puts("ERROR  ");
+    }
+    puts(elapsed);
+    runNext(i+1);
+  });
+};
+runNext(0);

benchmark/static_http_server.js

@@ -0,0 +1,39 @@
+var concurrency = 30;
+var nrequests = 700;
+var port = 8000;
+var completed_requests = 0;
+var bytes = 1024*5;
+
+var body = "";
+for (var i = 0; i < bytes; i++) {
+  body += "C";
+}
+
+var server = node.http.createServer(function (req, res) {
+  res.sendHeader(200, [
+    ["Content-Type", "text/plain"],
+    ["Content-Length", body.length]
+  ]);
+  res.sendBody(body);
+  res.finish();
+})
+server.listen(port);
+
+function responseListener (res) {
+  res.addListener("complete", function () {
+    //puts("response " + completed_requests + " from client " + res.client.id);
+    if (completed_requests++ < nrequests) {
+      res.client.get("/").finish(responseListener);
+    } else {
+      server.close();
+    }
+  });
+}
+
+function onLoad () {
+  for (var i = 0; i < concurrency; i++) {
+    var client = node.http.createClient(port);
+    client.id = i;
+    client.get("/").finish(responseListener);
+  }
+}

benchmark/timers.js

@@ -0,0 +1,5 @@
+function next (i) {
+  if (i <= 0) return;
+  setTimeout(function () { next(i-1); }, 1);
+}
+next(700);

configure

@@ -100,6 +100,12 @@ test: all
 test-all: all
 	python tools/test.py --mode=debug,release
 
+test-debug: all
+	python tools/test.py --mode=release,debug
+
+benchmark: all
+	build/default/node benchmark/run.js
+
 website: website/api.html website/index.html
 
 website/api.html: website/api.txt
@@ -123,7 +129,7 @@ check:
 dist:
 	@$WAF dist
 
-.PHONY: clean dist distclean check uninstall install all test test-all website website-upload
+.PHONY: benchmark clean dist distclean check uninstall install all test test-all website website-upload
 
 EOF
 }