Merge pull request #6 from YaslePoy/lock-free

Lock free

mROA.Benchmark/CborExtensions.cs

@@ -0,0 +1,35 @@
+using System.Formats.Cbor;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+using mROA.Implementation;
+
+public static class CborExtensions
+{
+    public static unsafe void WriteToCbor(this RequestId id, CborWriter writer)
+    {
+        Span<byte> span = stackalloc byte[16];
+        MemoryMarshal.Write(span, ref id);
+        writer.WriteByteString(span);
+    }
+
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static unsafe void WriteToCborInline(this RequestId id, CborWriter writer)
+    {
+        Span<byte> span = stackalloc byte[16];
+        MemoryMarshal.Write(span, ref id);
+        writer.WriteByteString(span);
+    }
+    
+    public static void WriteToDest(this RequestId id, Span<byte> destination)
+    {
+        MemoryMarshal.Write(destination, ref id);
+    }
+    
+    [MethodImpl(MethodImplOptions.AggressiveOptimization)]
+    public static unsafe void WriteToCborOpt(this RequestId id, CborWriter writer)
+    {
+        Span<byte> span = stackalloc byte[16];
+        MemoryMarshal.Write(span, ref id);
+        writer.WriteByteString(span);
+    }
+}

mROA.Benchmark/IdGeneration.cs

@@ -0,0 +1,37 @@
+using BenchmarkDotNet.Attributes;
+using mROA.Implementation;
+
+namespace mROA.Benchmark;
+
+public class IdGeneration
+{
+    public static int X = 0;
+
+    [Benchmark]
+    public Guid GuidGeneration()
+    {
+        return Guid.NewGuid();
+    }
+
+    [Benchmark(Baseline = true)]
+    public RequestId ReqIdGeneration()
+    {
+        return RequestId.Generate();
+    }
+
+    [Benchmark]
+    public RequestId ReqIdIfGeneration()
+    {
+        var reqId = RequestId.Generate();
+        if (++X % 2 == 0)
+        {
+            reqId.P0 = 0;
+        }
+        else
+        {
+            reqId.P1 = 0;
+        }
+        return reqId;
+        
+    }
+}

mROA.Benchmark/Program.cs

@@ -1,44 +1,8 @@
 // See https://aka.ms/new-console-template for more information
 
-using System.Formats.Cbor;
-using System.Runtime.CompilerServices;
-using System.Runtime.InteropServices;
 using BenchmarkDotNet.Running;
 using mROA.Benchmark;
-using mROA.Implementation;
 
 Console.WriteLine("Hello, World!");
-var test = new CborTest();
-test.ArrayWrite();
-BenchmarkRunner.Run<VirtualOverhead>();
 
-public static class CborExtensions
-{
-    public static unsafe void WriteToCbor(this RequestId id, CborWriter writer)
-    {
-        Span<byte> span = stackalloc byte[16];
-        MemoryMarshal.Write(span, ref id);
-        writer.WriteByteString(span);
-    }
-
-    [MethodImpl(MethodImplOptions.AggressiveInlining)]
-    public static unsafe void WriteToCborInline(this RequestId id, CborWriter writer)
-    {
-        Span<byte> span = stackalloc byte[16];
-        MemoryMarshal.Write(span, ref id);
-        writer.WriteByteString(span);
-    }
-    
-    public static void WriteToDest(this RequestId id, Span<byte> destination)
-    {
-        MemoryMarshal.Write(destination, ref id);
-    }
-    
-    [MethodImpl(MethodImplOptions.AggressiveOptimization)]
-    public static unsafe void WriteToCborOpt(this RequestId id, CborWriter writer)
-    {
-        Span<byte> span = stackalloc byte[16];
-        MemoryMarshal.Write(span, ref id);
-        writer.WriteByteString(span);
-    }
-}
+BenchmarkRunner.Run<IdGeneration>();

mROA.Benchmark/VirtualOverhead.cs

@@ -1,3 +1,4 @@
+using System.Runtime.CompilerServices;
 using BenchmarkDotNet.Attributes;
 using mROA.Implementation;
 
@@ -5,17 +6,15 @@ namespace mROA.Benchmark;
 
 public class VirtualOverhead
 {
-    private ICallRequest _request;
     private CallRequest _directRequest;
     private RawCallRequest _rawRequest;
     
-    public VirtualOverhead()
-    {
-        _request = new CallRequest
+    [GlobalSetup]
+    public void Setup()    {
+        _directRequest = new CallRequest
         {
             CommandId = 5, Id = new RequestId(), ObjectId = ComplexObjectIdentifier.Null, Parameters = null
         };
-        _directRequest = (CallRequest)_request;
         _rawRequest = new RawCallRequest
         {
             CommandId = _directRequest.CommandId, Id = _directRequest.Id, ObjectId = _directRequest.ObjectId,
@@ -24,18 +23,6 @@ public class VirtualOverhead
     }
 
     [Benchmark(Baseline = true)]
-    public long VirtualUsage()
-    {
-        var req = _request;
-        long acc = 0;
-        acc += req.CommandId;
-        acc += (long)(req.Id.P1 + req.Id.P0);
-        acc += req.ObjectId.ContextId + req.ObjectId.OwnerId;
-        acc += (req.Parameters ?? []).Length;
-        return acc;
-    }
-
-    [Benchmark]
     public long DirectUsage()
     {
         var req = _directRequest;
@@ -58,6 +45,40 @@ public class VirtualOverhead
         acc += (req.Parameters ?? []).Length;
         return acc;
     }
+
+    [Benchmark]
+    public long ParamUsage()
+    {
+        return Call(_directRequest);
+    }
+
+    [Benchmark]
+    public long ParamInUsage()
+    {
+        return CallIn(in _directRequest);
+    }
+
+    [MethodImpl(MethodImplOptions.NoInlining)]
+    public long Call(CallRequest req)
+    {
+        long acc = 0;
+        acc += req.CommandId;
+        acc += (long)(req.Id.P1 + req.Id.P0);
+        acc += req.ObjectId.ContextId + req.ObjectId.OwnerId;
+        acc += (req.Parameters ?? []).Length;
+        return acc;
+    }
+
+    [MethodImpl(MethodImplOptions.NoInlining)]
+    public long CallIn(in CallRequest req)
+    {
+        long acc = 0;
+        acc += req.CommandId;
+        acc += (long)(req.Id.P1 + req.Id.P0);
+        acc += req.ObjectId.ContextId + req.ObjectId.OwnerId;
+        acc += (req.Parameters ?? []).Length;
+        return acc;
+    }
 }
 
 public struct RawCallRequest

mROA.Cbor/CborSerializationToolkit.cs

@@ -14,7 +14,7 @@ namespace mROA.Cbor
 {
     public class CborSerializationToolkit : IContextualSerializationToolKit
     {
-        private readonly CborWriter _writer = new(initialCapacity: 512);
+        private readonly CborWriter _writer = new(initialCapacity: 2048);
 
         private readonly IOrdinaryStructureParser[] _parsers =
         {
@@ -118,6 +118,11 @@ namespace mROA.Cbor
             return Convert.ChangeType(nonCasted, type);
         }
 
+        public IContextualSerializationToolKit Clone()
+        {
+            return new CborSerializationToolkit();
+        }
+
         public void WriteData(object? obj, CborWriter writer, IEndPointContext? context)
         {
             if (obj is not null && FindParser(obj.GetType(), out var parser))

mROA/Abstract/IContextualSerializationToolKit.cs

@@ -10,5 +10,6 @@ namespace mROA.Abstract
         object? Deserialize(byte[] rawData, Type type, IEndPointContext? context);
         T Deserialize<T>(ReadOnlyMemory<byte> rawMemory, IEndPointContext? context);
         object? Cast(object? nonCasted, Type type, IEndPointContext? context);
+        IContextualSerializationToolKit Clone();
     }
 }

mROA/Implementation/Backend/HubRequestExtractor.cs

@@ -25,15 +25,15 @@ namespace mROA.Implementation.Backend
 
         public IRequestExtractor this[int id] => _producedExtractors[id];
 
-        public IRequestExtractor HubOnOnConnected(IRepresentationModule interaction)
+        public IRequestExtractor HubOnOnConnected(IRepresentationModule representationModule)
         {
-            var extractor = CreateExtractor(interaction);
+            var extractor = CreateExtractor(representationModule);
             if (_mode.DistributionType == EDistributionType.Channeled)
             {
-                extractor.StartExtraction().ContinueWith(_ => OnDisconnected(interaction));
+                extractor.StartExtraction().ContinueWith(_ => OnDisconnected(representationModule));
             }
 
-            _producedExtractors[interaction.Id] = extractor;
+            _producedExtractors[representationModule.Id] = extractor;
             return extractor;
         }
 

mROA/Implementation/Backend/NetworkGatewayModule.cs

@@ -106,7 +106,7 @@ namespace mROA.Implementation.Backend
             _extractorsTokenSources[interaction.ConnectionId] = cts;
 
             _hub.RegisterInteraction(interaction);
-            var requestExtractor = _hre.HubOnOnConnected(new RepresentationModule(interaction, _serialization));
+            var requestExtractor = _hre.HubOnOnConnected(new RepresentationModule(interaction, _serialization.Clone()));
 
             if (_distribution.DistributionType != EDistributionType.Channeled)
             {

mROA/Implementation/CreativeRepresentationModuleProducer.cs

@@ -13,12 +13,11 @@ namespace mROA.Implementation
             _serialization = serialization;
         }
 
-
         public IRepresentationModule Produce(int id)
         {
             var interaction = _hub.GetInteraction(id);
 
-            var produced = new RepresentationModule(interaction, _serialization);
+            var produced = new RepresentationModule(interaction, _serialization.Clone());
 
             return produced;
         }