From 9a45f7bd3d46c4278561c8bc6f254ce272ac0046 Mon Sep 17 00:00:00 2001
From: TJ Holowaychuk <tj@vision-media.ca>
Date: Fri, 20 Dec 2013 19:34:59 -0800
Subject: [PATCH] add new benchmarks (to match koa)

---
 Makefile                 |  6 +++---
 benchmarks/Makefile      | 13 +++++++++++++
 benchmarks/middleware.js | 23 +++++++++++++++++++++++
 benchmarks/run           | 16 ++++++++++++++++
 support/bench            | 32 --------------------------------
 5 files changed, 55 insertions(+), 35 deletions(-)
 create mode 100644 benchmarks/Makefile
 create mode 100644 benchmarks/middleware.js
 create mode 100755 benchmarks/run
 delete mode 100755 support/bench

diff --git a/Makefile b/Makefile
index d0cb2a01..a1f33a70 100644
--- a/Makefile
+++ b/Makefile
@@ -24,11 +24,11 @@ test-cov: lib-cov
 lib-cov:
 	@jscoverage lib lib-cov
 
-benchmark:
-	@./support/bench
+bench:
+	@$(MAKE) -C benchmarks
 
 clean:
 	rm -f coverage.html
 	rm -fr lib-cov
 
-.PHONY: test test-unit test-acceptance benchmark clean
+.PHONY: test test-unit test-acceptance bench clean
diff --git a/benchmarks/Makefile b/benchmarks/Makefile
new file mode 100644
index 00000000..baf0d6fc
--- /dev/null
+++ b/benchmarks/Makefile
@@ -0,0 +1,13 @@
+
+all:
+	@./run 1 middleware
+	@./run 5 middleware
+	@./run 10 middleware
+	@./run 15 middleware
+	@./run 20 middleware
+	@./run 30 middleware
+	@./run 50 middleware
+	@./run 100 middleware
+	@echo
+
+.PHONY: all
diff --git a/benchmarks/middleware.js b/benchmarks/middleware.js
new file mode 100644
index 00000000..3aa7a8b4
--- /dev/null
+++ b/benchmarks/middleware.js
@@ -0,0 +1,23 @@
+
+var http = require('http');
+var express = require('..');
+var app = express();
+
+// number of middleware
+
+var n = parseInt(process.env.MW || '1', 10);
+console.log('  %s middleware', n);
+
+while (n--) {
+  app.use(function(req, res, next){
+    next();
+  });
+}
+
+var body = new Buffer('Hello World');
+
+app.use(function(req, res, next){
+  res.send(body);
+});
+
+app.listen(3333);
diff --git a/benchmarks/run b/benchmarks/run
new file mode 100755
index 00000000..fc84f27f
--- /dev/null
+++ b/benchmarks/run
@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+
+echo
+MW=$1 node --harmony-generators $2 &
+pid=$!
+
+sleep 2
+
+wrk 'http://localhost:3333/?foo[bar]=baz' \
+  -d 3 \
+  -c 50 \
+  -t 4 \
+  | grep 'Requests/sec' \
+  | awk '{ print "  " $2 }'
+
+kill $pid
diff --git a/support/bench b/support/bench
deleted file mode 100755
index 207c1819..00000000
--- a/support/bench
+++ /dev/null
@@ -1,32 +0,0 @@
-#!/usr/bin/env bash
-
-NODE_ENV=production node ./support/app &
-pid=$!
-
-bench() {
-  ab -n 5000 -c 50 -k -q http://127.0.0.1:8000$1 \
-    | grep "Requests per" \
-    | cut -d ' ' -f 7 \
-    | xargs echo "$2:"
-}
-
-bench_conditional() {
-  ab -n 5000 -c 50 -H "If-None-Match: $3" -k -q http://127.0.0.1:8000$1 \
-    | grep "Requests per" \
-    | cut -d ' ' -f 7 \
-    | xargs echo "$2:"
-}
-
-sleep .5
-bench / "Hello World"
-bench /blog "Mounted Hello World"
-bench /blog/admin "Mounted 2 Hello World"
-bench /middleware "Middleware"
-bench /match "Router"
-bench /render "Render"
-bench /json "JSON tiny"
-bench /json/15 "JSON small"
-bench /json/50 "JSON medium"
-bench /json/150 "JSON large"
-
-kill -9 $pid
\ No newline at end of file