Membership compute checksum benchmark

benchmarks/compute-checksum.js

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+// Copyright (c) 2015 Uber Technologies, Inc.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+var largeMembership = require('./large-membership.json');
+var Ringpop = require('../index.js');
+var Suite = require('benchmark').Suite;
+
+function init(size) {
+    var ringpop = new Ringpop({
+        app: 'ringpop-bench',
+        hostPort: '127.0.0.1:3000'
+    });
+
+    ringpop.membership.update(largeMembership.slice(0, size));
+
+    return ringpop;
+}
+
+function reportPerformance(event) {
+    console.log(event.target.toString());
+}
+
+function runBenchmark(title, benchmark) {
+    var suite = new Suite();
+    suite.add(title, benchmark);
+    suite.on('cycle', reportPerformance);
+    suite.run();
+}
+
+function run100MemberBenchmark() {
+    var ringpop = init(100);
+
+    runBenchmark('compute checksum for 100 members', function benchmark() {
+        ringpop.membership.computeChecksum();
+    });
+}
+
+function run1kMemberBenchmark() {
+    var ringpop = init(1000);
+
+    runBenchmark('compute checksum for 1000 members', function benchmark() {
+        ringpop.membership.computeChecksum();
+    });
+}
+
+run1kMemberBenchmark();