Benchmark for protocol

Libplanet.Benchmarks/Protocol.cs

@@ -0,0 +1,52 @@
+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using BenchmarkDotNet.Attributes;
+using Libplanet.Crypto;
+using Libplanet.Tests.Net.Protocols;
+
+namespace Libplanet.Benchmarks
+{
+    public class Protocol
+    {
+        private readonly Dictionary<Address, TestSwarm> _swarms;
+
+        public Protocol()
+        {
+            _swarms = new Dictionary<Address, TestSwarm>();
+        }
+
+        [Benchmark]
+        public async Task BootstrapManyTestSwarms()
+        {
+            const int count = 100;
+            var seed = CreateTestSwarm();
+            seed.Start();
+            var swarms = new TestSwarm[count];
+            for (var i = 0; i < count; i++)
+            {
+                swarms[i] = CreateTestSwarm();
+                swarms[i].Start();
+            }
+
+            foreach (var swarm in swarms)
+            {
+                await swarm.BootstrapAsync(new[] { seed.AsPeer });
+            }
+        }
+
+        private TestSwarm CreateTestSwarm(
+            PrivateKey privateKey = null,
+            int? tableSize = null,
+            int? bucketSize = null,
+            TimeSpan? networkDelay = null)
+        {
+            return new TestSwarm(
+                _swarms,
+                privateKey ?? new PrivateKey(),
+                tableSize,
+                bucketSize,
+                networkDelay);
+        }
+    }
+}