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Michael Pavlovsky
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Apr 9, 2019
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,2 @@ | ||
| <wpf:ResourceDictionary xml:space="preserve" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:s="clr-namespace:System;assembly=mscorlib" xmlns:ss="urn:shemas-jetbrains-com:settings-storage-xaml" xmlns:wpf="http://schemas.microsoft.com/winfx/2006/xaml/presentation"> | ||
| <s:Boolean x:Key="/Default/UserDictionary/Words/=Mcdf/@EntryIndexedValue">True</s:Boolean></wpf:ResourceDictionary> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,100 @@ | ||
| using System; | ||
| using System.IO; | ||
| using BenchmarkDotNet.Attributes; | ||
| using BenchmarkDotNet.Order; | ||
|
|
||
| namespace OpenMcdf.Benchmark | ||
| { | ||
| [CoreJob] | ||
| [CsvExporter] | ||
| [HtmlExporter] | ||
| [MarkdownExporter] | ||
| //[DryCoreJob] // I always forget this attribute, so please leave it commented out | ||
| [MemoryDiagnoser] | ||
| [Orderer(SummaryOrderPolicy.FastestToSlowest)] | ||
| public class InMemory : IDisposable | ||
| { | ||
| private const int Kb = 1024; | ||
| private const int Mb = Kb * Kb; | ||
| private const string storageName = "MyStorage"; | ||
| private const string streamName = "MyStream"; | ||
|
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| private byte[] _readBuffer; | ||
|
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| private Stream _stream; | ||
|
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| [Params(Kb / 2, Kb, 4 * Kb, 128 * Kb, 256 * Kb, 512 * Kb, Kb * Kb)] | ||
| public int BufferSize { get; set; } | ||
|
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||
| [Params(Mb /*, 8 * Mb, 64 * Mb, 128 * Mb*/)] | ||
| public int TotalStreamSize { get; set; } | ||
|
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| public void Dispose() | ||
| { | ||
| _stream?.Dispose(); | ||
| } | ||
|
|
||
| [GlobalSetup] | ||
| public void GlobalSetup() | ||
| { | ||
| _stream = new MemoryStream(); | ||
| _readBuffer = new byte[BufferSize]; | ||
| CreateFile(1); | ||
| } | ||
|
|
||
| [GlobalCleanup] | ||
| public void GlobalCleanup() | ||
| { | ||
| _stream.Dispose(); | ||
| _stream = null; | ||
| _readBuffer = null; | ||
| } | ||
|
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||
|
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| [Benchmark] | ||
| public void Test() | ||
| { | ||
| // | ||
| _stream.Seek(0L, SeekOrigin.Begin); | ||
| // | ||
| var compoundFile = new CompoundFile(_stream); | ||
| var cfStream = compoundFile.RootStorage | ||
| .GetStorage(storageName) | ||
| .GetStream(streamName + 0); | ||
| var streamSize = cfStream.Size; | ||
| var position = 0L; | ||
| while (true) | ||
| { | ||
| if (position >= streamSize) break; | ||
| var read = cfStream | ||
| .Read(_readBuffer, position, _readBuffer.Length); | ||
| position += read; | ||
| if (read <= 0) break; | ||
| } | ||
|
|
||
| //compoundFile.Close(); | ||
| } | ||
|
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| private void CreateFile(int streamCount) | ||
| { | ||
| var iterationCount = TotalStreamSize / BufferSize; | ||
|
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| var buffer = new byte[BufferSize]; | ||
| Array.Fill(buffer, byte.MaxValue); | ||
| const CFSConfiguration flags = CFSConfiguration.Default | CFSConfiguration.LeaveOpen; | ||
| using (var compoundFile = new CompoundFile(CFSVersion.Ver_4, flags)) | ||
| { | ||
| var st = compoundFile.RootStorage.AddStorage(storageName); | ||
| for (var streamId = 0; streamId < streamCount; ++streamId) | ||
| { | ||
| var sm = st.AddStream(streamName + streamId); | ||
|
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| for (var iteration = 0; iteration < iterationCount; ++iteration) sm.Append(buffer); | ||
| } | ||
|
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| compoundFile.Save(_stream); | ||
| compoundFile.Close(); | ||
| } | ||
| } | ||
| } | ||
| } |
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|---|---|---|
| @@ -0,0 +1,16 @@ | ||
| <Project Sdk="Microsoft.NET.Sdk"> | ||
|
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| <PropertyGroup> | ||
| <OutputType>Exe</OutputType> | ||
| <TargetFramework>netcoreapp2.2</TargetFramework> | ||
| </PropertyGroup> | ||
|
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| <ItemGroup> | ||
| <PackageReference Include="BenchmarkDotNet" Version="0.11.5" /> | ||
| </ItemGroup> | ||
|
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||
| <ItemGroup> | ||
| <ProjectReference Include="..\..\OpenMcdf\OpenMcdf.csproj" /> | ||
| </ItemGroup> | ||
|
|
||
| </Project> |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,12 @@ | ||
| using BenchmarkDotNet.Running; | ||
|
|
||
| namespace OpenMcdf.Benchmark | ||
| { | ||
| internal class Program | ||
| { | ||
| private static void Main(string[] args) | ||
| { | ||
| var summary = BenchmarkRunner.Run<InMemory>(); | ||
| } | ||
| } | ||
| } |