davepcallan’s gists

davepcallan / BloggingContext.cs

Last active February 8, 2024 19:04

Entity Framework BulkUpdate v SaveChange v Manual SQL benchmarks

	using Microsoft.EntityFrameworkCore;

	public class MyContext : DbContext
	{
	private int _batchSize;

	public MyContext(int batchSize = 42)
	{
	_batchSize = batchSize;
	}

davepcallan / Benchmarks.csproj

Created February 21, 2023 08:03

OrdinalIgnoreCase .NET 7 v .NET 8 benchmarks

	<Project Sdk="Microsoft.NET.Sdk">

	<PropertyGroup>
	<OutputType>Exe</OutputType>
	<TargetFrameworks>net7.0;net8.0</TargetFrameworks>
	<ImplicitUsings>disable</ImplicitUsings>
	</PropertyGroup>

	<ItemGroup>
	<PackageReference Include="BenchmarkDotNet" Version="0.13.3.2064" />

davepcallan / Benchmarks.csproj

Last active February 8, 2024 19:04

FrozenDictionary in .NET 8 benchmarks compared to Dictionary/ReadOnlyDictionary etc.

	<Project Sdk="Microsoft.NET.Sdk">

	<PropertyGroup>
	<OutputType>Exe</OutputType>
	<TargetFrameworks>net8.0</TargetFrameworks>
	<ImplicitUsings>disable</ImplicitUsings>
	</PropertyGroup>

	<ItemGroup>
	<PackageReference Include="BenchmarkDotNet" Version="0.13.3.2064" />

davepcallan / gist:b8a23dee9035879e2e5a15552211c2e6

Created March 1, 2023 21:24

Apply global filters in Entity Framework

	public static void ApplyGlobalFilters<TInterface>(this ModelBuilder modelBuilder,
	Expression<Func<TInterface, bool>> expression)
	{
	foreach (var entityType in modelBuilder.Model.GetEntityTypes())
	{
	if (entityType.ClrType.GetInterface(typeof(TInterface).Name) != null)
	{
	var newParam = Expression.Parameter(entityType.ClrType);
	var newbody = ReplacingExpressionVisitor.
	Replace(expression.Parameters.Single(), newParam, expression.Body);

davepcallan / StringBuilderDotnet7-v-DotNet8.cs

Created June 17, 2023 14:14

StringBuilder Append Benchmark for .NET 7 v .NET 8

	using System.Text;
	using BenchmarkDotNet.Attributes;
	using BenchmarkDotNet.Columns;
	using BenchmarkDotNet.Configs;
	using BenchmarkDotNet.Jobs;
	using BenchmarkDotNet.Reports;

	namespace BenchmarkDotNet.Samples
	{
	[Config(typeof(Config))]

davepcallan / StringConcatDPGO.cs

Created June 20, 2023 16:37

.NET 8 - String concat with + and StringBuilder with PGO on v PGO off

	using System.Text;
	using BenchmarkDotNet.Attributes;
	using BenchmarkDotNet.Columns;
	using BenchmarkDotNet.Configs;
	using BenchmarkDotNet.Environments;
	using BenchmarkDotNet.Jobs;
	using BenchmarkDotNet.Reports;

	namespace BenchmarkDotNet.Samples
	{

davepcallan / SimpleStringConcatentionDotNet8.cs

Created July 12, 2023 11:26

.NET 8 string concatenation benchmarks when concatenating only a small amount of strings

	using BenchmarkDotNet.Attributes;
	using BenchmarkDotNet.Columns;
	using BenchmarkDotNet.Configs;
	using BenchmarkDotNet.Jobs;
	using BenchmarkDotNet.Reports;
	using System;
	using System.Text;

	namespace Benchmarks
	{

davepcallan / stringJoinVstringCreateSimpleConcat.cs

Created July 22, 2023 10:09

String.Create v String.Join for simple string concat

	using BenchmarkDotNet.Attributes;
	using BenchmarkDotNet.Columns;
	using BenchmarkDotNet.Configs;
	using BenchmarkDotNet.Environments;
	using BenchmarkDotNet.Jobs;
	using BenchmarkDotNet.Reports;
	using System;
	using System.Text;

	namespace BenchmarkDotNet.Samples

davepcallan / StringCreateSimpleConcatBenchmarks.cs

Created July 23, 2023 15:11

String interpolation v string.join v string.create for concatenation of a few strings

	using BenchmarkDotNet.Attributes;
	using BenchmarkDotNet.Columns;
	using BenchmarkDotNet.Configs;
	using BenchmarkDotNet.Jobs;
	using BenchmarkDotNet.Reports;
	using System;

	namespace BenchmarkDotNet.Samples
	{
	[MemoryDiagnoser]

davepcallan / stringConcatenationDotnet8.cs

Last active February 15, 2025 22:50

.NET 8 simple string concatenation benchmarks

	using BenchmarkDotNet.Attributes;
	using BenchmarkDotNet.Columns;
	using BenchmarkDotNet.Configs;
	using BenchmarkDotNet.Jobs;
	using BenchmarkDotNet.Reports;
	using System;
	using System.Text;

	namespace Benchmarks
	{

Dave Callan davepcallan