Baseline
https://github.com/aspnet/SignalR/tree/davidfowl/broadcast-allocs
David Fowler
davidfowl
davidfowl
/ NagleAwaitable.cs
Last active Apr 12, 2018
View NagleAwaitable.cs
| public class NagleAwaitable : ICriticalNotifyCompletion | |
| { | |
| private readonly ConcurrentQueue<Action> _work = new ConcurrentQueue<Action>(); | |
| private readonly TimerAwaitable _timerAwaitable; | |
| private bool _timerResult; | |
| public NagleAwaitable(TimeSpan period) | |
| { | |
| _timerAwaitable = new TimerAwaitable(period, period); |
View after.log
| 2018-04-06T01:22:15.8698320-07:00 [INF] User profile is available. Using '"/Users/dfowler/.aspnet/DataProtection-Keys"' as key repository; keys will not be encrypted at rest. (a162847e) | |
| 2018-04-06T01:22:16.9001850-07:00 0HLCRIU0VVKQP:00000001 [INF] Request starting HTTP/1.1 GET http://127.0.0.1:52477/?cacheBust=true (ca22a1cb) | |
| 2018-04-06T01:22:17.0360340-07:00 0HLCRIU0VVKQP:00000001 [INF] Sending file. Request path: '"/default.html"'. Physical path: '"/Users/dfowler/dev/SignalR/clients/ts/FunctionalTests/wwwroot/default.html"' (27b0a520) | |
| 2018-04-06T01:22:17.0464150-07:00 0HLCRIU0VVKQP:00000001 [INF] Request finished in 163.393ms 200 text/html (791a596a) | |
| 2018-04-06T01:22:17.0587480-07:00 0HLCRIU0VVKQR:00000001 [INF] Request starting HTTP/1.1 GET http://127.0.0.1:52477/lib/jasmine/jasmine-html.js (ca22a1cb) | |
| 2018-04-06T01:22:17.0587590-07:00 0HLCRIU0VVKQP:00000002 [INF] Request starting HTTP/1.1 GET http://127.0.0.1:52477/lib/jasmine/jasmine.css (ca22a1cb) | |
| 2018-04-06T01:22:17.0587480-07:00 0HLCRIU0VVKQQ:0 |
davidfowl
/ gist:50125780269d0878e0ab80b6c68bec93
Created Apr 5, 2018
View gist:50125780269d0878e0ab80b6c68bec93
| System.Net.WebSockets.WebSocketException (0x80004005): Unable to connect to the remote server ---> System.Net.Http.HttpRequestException: Invalid argument ---> System.Net.Sockets.SocketException: Invalid argument | |
| | at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken) | |
| | --- End of inner exception stack trace --- | |
| | at System.Net.Http.ConnectHelper.ConnectAsync(String host, Int32 port, CancellationToken cancellationToken) | |
| | at System.Threading.Tasks.ValueTask`1.get_Result() | |
| | |
davidfowl
/ Results.md
Last active Mar 18, 2018
Performance investigation for SignalR Broadcast scenarios
View results.md
Method | Input | HubProtocol | Mean | Error | StdDev | Median | Op/s | Gen 0 | Gen 1 | Allocated |
------------------- |--------------- |------------ |------------:|-------------:|-------------:|------------:|------------:|-------:|-------:|----------:|
ReadSingleMessage | FewArguments | Json | 2,143.1 ns | 20.283 ns | 17.980 ns | 2,142.2 ns | 466,613.1 | 0.0992 | - | 1216 B |
WriteSingleMessage | FewArguments | Json | 2,425.1 ns | 48.524 ns | 79.727 ns | 2,403.7 ns | 412,347.7 | 0.5493 | 0.0038 | 6608 B |
ReadSingleMessage | FewArguments | MsgPack | 1,332.5 ns | 25.406 ns | 24.952 ns | 1,338.0 ns | 750,472.5 | 0.0801 | - | 976 B |
WriteSingleMessage | FewArguments | MsgPack | 1,607.7 ns | 55.877 ns | 162.110 ns | 1,581.0 ns | 622,011.1 | 0.0992 | - | 1224 B |
ReadSingleMessage | LargeArguments | Json | 90,886.9 ns | 1,797.528 ns | 1,923.335 ns | 91,1
View Sample.cs
| // Copyright (c) .NET Foundation. All rights reserved. | |
| // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. | |
| using System; | |
| using System.Collections.Generic; | |
| using System.IO; | |
| using Microsoft.AspNetCore.Hosting; | |
| using Microsoft.AspNetCore.SignalR; | |
| using Microsoft.AspNetCore.SignalR.Internal; | |
| using Microsoft.AspNetCore.SignalR.Internal.Protocol; |
View StreamPipeReader.cs
| public class StreamPipeReader : PipeReader | |
| { | |
| private readonly Stream _stream; | |
| private readonly PipeCompletionSource<ReadResult> _pipeCompletionSource = new PipeCompletionSource<ReadResult>(); | |
| private byte[] _buffer; | |
| private int _consumedIndex; | |
| private int _examinedIndex; | |
| private int _read; | |
| private List<(Action<Exception, object> callback, object state)> _callbacks; | |
| private bool _completed; |
davidfowl
/ probing.txt
Created Nov 29, 2017
View probing.txt
| -- Listing probe configurations... | |
| probe_config_t: probe=[C:\Program Files\dotnet\shared\Microsoft.NETCore.App\2.0.3] deps-json=[000002C979D02880] deps-dir-probe=[0] | |
| probe_config_t: probe=[] deps-json=[0000000000000000] deps-dir-probe=[1] | |
| probe_config_t: probe=[C:\Program Files\dotnet\store\x64\netcoreapp2.0] deps-json=[0000000000000000] deps-dir-probe=[0] | |
| probe_config_t: probe=[C:\Users\davifowl\.nuget\packages] deps-json=[0000000000000000] deps-dir-probe=[0] | |
| probe_config_t: probe=[C:\Program Files\dotnet\sdk\NuGetFallbackFolder] deps-json=[0000000000000000] deps-dir-probe=[0] | |
| Adding tpa entry: C:\Users\davifowl\source\repos\WebApplication5\WebApplication5\bin\Debug\netcoreapp2.0\WebApplication5.dll | |
| Processing TPA for deps entry [Microsoft.AspNetCore.Authentication.Abstractions, 2.0.0, lib/netstandard2.0/Microsoft.AspNetCore.Authentication.Abstractions.dll] | |
| Considering entry [Microsoft.AspNetCore.Authentication.Abstractions/2.0.0/lib/netstandard2.0/Microsoft.AspNetCore.Authentication.Abstractions.dll] |
View console-core.md
| Pass | File | Line # | Expression | Inc (ms) | Inc (%) | Exc (ms) | Exc (%) | # | Bug |
|---|---|---|---|---|---|---|---|---|---|
| Total Evaluation | 390 | 100% | 13 | 3.4% | 1 | ||||
| Initial Properties (Pass 0) | 7 | 1.7% | 7 | 1.7% | 1 | ||||
| Properties (Pass 1) | 190 | 48.7% | 4 | 0.9% | 1 | ||||
| ItemDefinitionGroup (Pass 2) | 11 | 2.8% | 0 | 0% | 1 | ||||
| Items (Pass 3) | 53 | 13.5% | 3 | 0.7% | 1 | ||||
| Lazy Items (Pass 3.1) | 93 | 23.9% | 28 | 7.2% | 1 | ||||
| UsingTasks (Pass 4) | 5 | 1.2% | 5 | 1.2% | 1 | ||||
| Targets (Pass 5) | 18 | 4.7% | 2 | 0.4% | 1 |
davidfowl
/ console(netcore)-eval.md
Last active Nov 21, 2017
View console(netcore)-eval.md
| Pass | File | Line # | Expression | Inc (ms) | Inc (%) | Exc (ms) | Exc (%) | # | Bug |
|---|---|---|---|---|---|---|---|---|---|
| Total Evaluation | 387 | 100% | 14 | 3.6% | 1 | ||||
| Initial Properties (Pass 0) | 9 | 2.4% | 9 | 2.4% | 1 | ||||
| Properties (Pass 1) | 184 | 47.6% | 5 | 1.3% | 1 | ||||
| ItemDefinitionGroup (Pass 2) | 11 | 2.9% | 0 | 0% | 1 | ||||
| Items (Pass 3) | 51 | 13.1% | 3 | 0.8% | 1 | ||||
| Lazy Items (Pass 3.1) | 93 | 23.9% | 26 | 6.8% | 1 | ||||
| UsingTasks (Pass 4) | 6 | 1.4% | 6 | 1.4% | 1 | ||||
| Targets (Pass 5) | 20 | 5.1% | 1 | 0.4% | 1 |
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