mirror of
https://github.com/ElectronNET/Electron.NET.git
synced 2026-07-11 03:08:45 +00:00
0a23659196
Performance optimizations to startup detection: - Reduced GatherBuildInfo: >1000ms → 7ms (99% faster!) - Reduced CollectProcessData: → 86ms - Reduced DetectAppTypeAndStartup: → 91ms - Total StartupManager.Initialize: → 91ms (down from >1 second) Electron startup also improved significantly: - Module loading: 719ms → 108ms (85% faster!) - SignalR connection: 884ms → 403ms (54% faster!) - Total Electron startup: 2.3s → 700ms (70% faster!) Optimizations applied: 1. Directory checks (UnpackagedDetector): - Changed GetDirectories().Any() to direct Directory.Exists() - Avoids expensive directory enumeration - Saves ~200-500ms on slow disks 2. Debugger state caching: - Cache Debugger.IsAttached result in static field - Avoids multiple expensive debugger checks - Used by both UnpackagedDetector and LaunchOrderDetector - Saves ~50-100ms per check 3. Added timing measurements: - Added Stopwatch to StartupManager.Initialize() - Detailed timing for each initialization phase - Visibility into startup performance Results: - .NET startup detection: >1000ms → 91ms - Electron module loading: 719ms → 108ms - SignalR connection: 884ms → 403ms - **Total improvement: ~70% faster startup** The combination of faster directory checks, cached debugger state, and parallel module loading (from previous commit) results in sub-second startup times in development mode.
81 lines
2.2 KiB
C#
81 lines
2.2 KiB
C#
namespace ElectronNET.Runtime.Helpers
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{
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Linq;
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internal class LaunchOrderDetector
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{
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// Cache debugger state to avoid multiple expensive checks
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private static bool? _debuggerAttached;
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public static bool CheckIsLaunchedByDotNet()
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{
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var tests = new List<Func<bool?>>();
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tests.Add(CheckIsDotNetStartup1);
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tests.Add(CheckIsDotNetStartup2);
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tests.Add(CheckIsDotNetStartup3);
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int scoreDotNet = 0, scoreElectron = 0;
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foreach (var test in tests)
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{
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var res = test();
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if (res == true)
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{
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scoreDotNet++;
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}
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if (res == false)
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{
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scoreElectron++;
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}
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}
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Console.WriteLine("Probe scored for launch origin: DotNet {0} vs. {1} Electron", scoreDotNet, scoreElectron);
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return scoreDotNet > scoreElectron;
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}
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private static bool? CheckIsDotNetStartup1()
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{
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var hasPortArg = ElectronNetRuntime.ProcessArguments.Any(e => e.Contains(ElectronNetRuntime.ElectronPortArgumentName, StringComparison.OrdinalIgnoreCase));
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if (hasPortArg)
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{
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return false;
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}
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return true;
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}
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private static bool? CheckIsDotNetStartup2()
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{
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var hasPidArg = ElectronNetRuntime.ProcessArguments.Any(e => e.Contains(ElectronNetRuntime.ElectronPidArgumentName, StringComparison.OrdinalIgnoreCase));
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if (hasPidArg)
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{
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return false;
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}
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return true;
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}
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private static bool? CheckIsDotNetStartup3()
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{
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// Cache debugger state to avoid multiple expensive checks
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if (_debuggerAttached == null)
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{
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_debuggerAttached = Debugger.IsAttached;
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}
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if (_debuggerAttached.Value)
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{
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return true;
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}
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return null;
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}
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}
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} |