benchmark script

bench/Makefile

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+all: middleware
+
+middleware:
+	@./run 1 false
+	@./run 5 false
+	@./run 10 false
+	@./run 20 false
+	@./run 50 false
+	@./run 100 false
+	@./run 200 false
+	@./run 500 false
+	@./run 1000 false
+	@./run 1 true
+	@./run 5 true
+	@./run 10 true
+	@./run 20 true
+	@./run 50 true
+	@./run 100 true
+	@./run 200 true
+	@./run 500 true
+	@./run 1000 true
+
+.PHONY: all middleware

bench/run

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+#!/usr/bin/env bash
+
+set -e
+
+export FACTOR=$1
+export USE_MIDDLEWARE=$2
+export PORT=3333
+
+host="http://localhost:$PORT"
+
+node "$(dirname $0)/server.js" &
+
+pid=$!
+
+curl \
+  --retry-connrefused \
+  --retry 5 \
+  --retry-delay 0 \
+  -s \
+  "$host/_health" \
+  > /dev/null
+
+# siege -c 50 -t 8 "$host/10/child/grandchild/%40"
+wrk "$host/10/child/grandchild/%40" \
+  -d 3 \
+  -c 50 \
+  -t 8 \
+  | grep 'Requests/sec' \
+  | awk '{ print "  " $2 }'
+
+kill $pid

bench/server.js

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+const Koa = require('koa');
+const Router = require('../');
+
+const app = new Koa();
+const router = new Router();
+
+const ok = ctx => ctx.status = 200;
+const n = parseInt(process.env.FACTOR || '10', 10);
+const useMiddleware = process.env.USE_MIDDLEWARE === 'true';
+
+router.get('/_health', ok);
+
+for (let i = n; i > 0; i--) {
+  if (useMiddleware) router.use((ctx, next) => next());
+  router.get(`/${i}/one`, ok);
+  router.get(`/${i}/one/two`, ok);
+  router.get(`/${i}/one/two/:three`, ok);
+  router.get(`/${i}/one/two/:three/:four?`, ok);
+  router.get(`/${i}/one/two/:three/:four?/five`, ok);
+  router.get(`/${i}/one/two/:three/:four?/five/six`, ok);
+}
+
+const grandchild = new Router();
+
+if (useMiddleware) grandchild.use((ctx, next) => next());
+grandchild.get('/', ok);
+grandchild.get('/:id', ok);
+grandchild.get('/:id/seven', ok);
+grandchild.get('/:id/seven(/eight)?', ok);
+
+for (let i = n; i > 0; i--) {
+  let child = new Router();
+  if (useMiddleware) child.use((ctx, next) => next());
+  child.get(`/:${''.padStart(i, 'a')}`, ok);
+  child.nest('/grandchild', grandchild);
+  router.nest(`/${i}/child`, child);
+}
+
+if (process.env.DEBUG) {
+  console.log(require('../lib/utils').inspect(router));
+}
+
+app.use(router.routes());
+
+process.stdout.write(`mw: ${useMiddleware} factor: ${n}`);
+
+app.listen(process.env.PORT);