Update to .NET 7

frameworks/CSharp/aspnetcore/Benchmarks/Benchmarks.csproj

@@ -1,8 +1,9 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net7.0</TargetFramework>
     <OutputType>Exe</OutputType>
     <ImplicitUsings>enable</ImplicitUsings>
+    <TieredPGO>true</TieredPGO>
   </PropertyGroup>
 
   <ItemGroup>
@@ -13,10 +14,10 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="6.0.0" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="7.0.0" />
 
     <PackageReference Include="Dapper" Version="2.0.123" />
-    <PackageReference Include="MySqlConnector" Version="2.0.0" />
-    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="6.0.0" />
+    <PackageReference Include="MySqlConnector" Version="2.2.0" />
+    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="7.0.0" />
   </ItemGroup>
 </Project>

frameworks/CSharp/aspnetcore/PlatformBenchmarks/BenchmarkApplication.Fortunes.cs

@@ -12,11 +12,11 @@ namespace PlatformBenchmarks
 {
     public partial class BenchmarkApplication
     {
-        private readonly static AsciiString _fortunesPreamble =
-            _http11OK +
-            _headerServer + _crlf +
-            _headerContentTypeHtml + _crlf +
-            _headerContentLength;
+        private static ReadOnlySpan<byte> _fortunesPreamble =>
+            "HTTP/1.1 200 OK\r\n"u8 +
+            "Server: K"u8 + "\r\n"u8 +
+            "Content-Type: text/html; charset=UTF-8"u8 + "\r\n"u8 +
+            "Content-Length: "u8;
 
         private async Task Fortunes(PipeWriter pipeWriter)
         {

frameworks/CSharp/aspnetcore/PlatformBenchmarks/BenchmarkApplication.Json.cs

@@ -10,11 +10,11 @@ public partial class BenchmarkApplication
 {
     private readonly static uint _jsonPayloadSize = (uint)JsonSerializer.SerializeToUtf8Bytes(new JsonMessage { message = "Hello, World!" }, SerializerContext.JsonMessage).Length;
 
-    private readonly static AsciiString _jsonPreamble =
-        _http11OK +
-        _headerServer + _crlf +
-        _headerContentTypeJson + _crlf +
-        _headerContentLength + _jsonPayloadSize.ToString();
+    private static ReadOnlySpan<byte> _jsonPreamble =>
+        "HTTP/1.1 200 OK\r\n"u8 +
+        "Server: K"u8 + "\r\n"u8 +
+        "Content-Type: application/json"u8 + "\r\n"u8 +
+        "Content-Length: 27"u8;
 
     private static void Json(ref BufferWriter<WriterAdapter> writer, IBufferWriter<byte> bodyWriter)
     {

frameworks/CSharp/aspnetcore/PlatformBenchmarks/BenchmarkApplication.Plaintext.cs

@@ -5,11 +5,11 @@ namespace PlatformBenchmarks;
 
 public partial class BenchmarkApplication
 {
-    private readonly static AsciiString _plaintextPreamble =
-        _http11OK +
-        _headerServer + _crlf +
-        _headerContentTypeText + _crlf +
-        _headerContentLength + _plainTextBody.Length.ToString();
+    private static ReadOnlySpan<byte> _plaintextPreamble =>
+        "HTTP/1.1 200 OK\r\n"u8 +
+        "Server: K\r\n"u8 +
+        "Content-Type: text/plain\r\n"u8 +
+        "Content-Length: 13"u8;
 
     private static void PlainText(ref BufferWriter<WriterAdapter> writer)
     {

frameworks/CSharp/aspnetcore/PlatformBenchmarks/BenchmarkApplication.cs

@@ -14,27 +14,27 @@ namespace PlatformBenchmarks;
 
 public partial class BenchmarkApplication
 {
-    private readonly static AsciiString _applicationName = "Kestrel Platform-Level Application";
-    public static AsciiString ApplicationName => _applicationName;
-
-    private readonly static AsciiString _crlf = "\r\n";
-    private readonly static AsciiString _eoh = "\r\n\r\n"; // End Of Headers
-    private readonly static AsciiString _http11OK = "HTTP/1.1 200 OK\r\n";
-    private readonly static AsciiString _http11NotFound = "HTTP/1.1 404 Not Found\r\n";
-    private readonly static AsciiString _headerServer = "Server: K";
-    private readonly static AsciiString _headerContentLength = "Content-Length: ";
-    private readonly static AsciiString _headerContentLengthZero = "Content-Length: 0";
-    private readonly static AsciiString _headerContentTypeText = "Content-Type: text/plain";
-    private readonly static AsciiString _headerContentTypeJson = "Content-Type: application/json";
-    private readonly static AsciiString _headerContentTypeHtml = "Content-Type: text/html; charset=UTF-8";
-
-    private readonly static AsciiString _dbPreamble =
-        _http11OK +
-        _headerServer + _crlf +
-        _headerContentTypeJson + _crlf +
-        _headerContentLength;
-
-    private readonly static AsciiString _plainTextBody = "Hello, World!";
+    private static ReadOnlySpan<byte> _applicationName => "Kestrel Platform-Level Application"u8;
+    public static ReadOnlySpan<byte> ApplicationName => _applicationName;
+
+    private static ReadOnlySpan<byte> _crlf => "\r\n"u8;
+    private static ReadOnlySpan<byte> _eoh => "\r\n\r\n"u8; // End Of Headers
+    private static ReadOnlySpan<byte> _http11OK => "HTTP/1.1 200 OK\r\n"u8;
+    private static ReadOnlySpan<byte> _http11NotFound => "HTTP/1.1 404 Not Found\r\n"u8;
+    private static ReadOnlySpan<byte> _headerServer => "Server: K"u8;
+    private static ReadOnlySpan<byte> _headerContentLength => "Content-Length: "u8;
+    private static ReadOnlySpan<byte> _headerContentLengthZero => "Content-Length: 0"u8;
+    private static ReadOnlySpan<byte> _headerContentTypeText => "Content-Type: text/plain"u8;
+    private static ReadOnlySpan<byte> _headerContentTypeJson => "Content-Type: application/json"u8;
+    private static ReadOnlySpan<byte> _headerContentTypeHtml => "Content-Type: text/html; charset=UTF-8"u8;
+
+    private static ReadOnlySpan<byte> _dbPreamble => 
+        "HTTP/1.1 200 OK\r\n"u8 +
+        "Server: K\r\n"u8 +
+        "Content-Type: application/json\r\n"u8 +
+        "Content-Length: "u8;
+
+    private static ReadOnlySpan<byte> _plainTextBody => "Hello, World!"u8;
 
     private static readonly JsonContext SerializerContext = JsonContext.Default;
 
@@ -46,12 +46,12 @@ private sealed partial class JsonContext : JsonSerializerContext
     {
     }
 
-    private readonly static AsciiString _fortunesTableStart = "<!DOCTYPE html><html><head><title>Fortunes</title></head><body><table><tr><th>id</th><th>message</th></tr>";
-    private readonly static AsciiString _fortunesRowStart = "<tr><td>";
-    private readonly static AsciiString _fortunesColumn = "</td><td>";
-    private readonly static AsciiString _fortunesRowEnd = "</td></tr>";
-    private readonly static AsciiString _fortunesTableEnd = "</table></body></html>";
-    private readonly static AsciiString _contentLengthGap = new string(' ', 4);
+    private static ReadOnlySpan<byte> _fortunesTableStart => "<!DOCTYPE html><html><head><title>Fortunes</title></head><body><table><tr><th>id</th><th>message</th></tr>"u8;
+    private static ReadOnlySpan<byte> _fortunesRowStart => "<tr><td>"u8;
+    private static ReadOnlySpan<byte> _fortunesColumn => "</td><td>"u8;
+    private static ReadOnlySpan<byte> _fortunesRowEnd => "</td></tr>"u8;
+    private static ReadOnlySpan<byte> _fortunesTableEnd => "</table></body></html>"u8;
+    private static ReadOnlySpan<byte> _contentLengthGap => "    "u8;
 
 #if DATABASE
         public static RawDb Db { get; set; }
@@ -62,13 +62,13 @@ private sealed partial class JsonContext : JsonSerializerContext
 
     public static class Paths
     {
-        public readonly static AsciiString Json = "/json";
-        public readonly static AsciiString Plaintext = "/plaintext";
-        public readonly static AsciiString SingleQuery = "/db";
-        public readonly static AsciiString Fortunes = "/fortunes";
-        public readonly static AsciiString Updates = "/updates/";
-        public readonly static AsciiString MultipleQueries = "/queries/";
-        public readonly static AsciiString Caching = "/cached-worlds/";
+        public static ReadOnlySpan<byte> Json => "/json"u8;
+        public static ReadOnlySpan<byte> Plaintext => "/plaintext"u8;
+        public static ReadOnlySpan<byte> SingleQuery => "/db"u8;
+        public static ReadOnlySpan<byte> Fortunes => "/fortunes"u8;
+        public static ReadOnlySpan<byte> Updates => "/updates/"u8;
+        public static ReadOnlySpan<byte> MultipleQueries => "/queries/"u8;
+        public static ReadOnlySpan<byte> Caching => "/cached-worlds/"u8;
     }
 
     private RequestType _requestType;
@@ -169,11 +169,11 @@ private static Task Default(PipeWriter pipeWriter)
             return Task.CompletedTask;
         }
 #endif
-    private readonly static AsciiString _defaultPreamble =
-        _http11NotFound +
-        _headerServer + _crlf +
-        _headerContentTypeText + _crlf +
-        _headerContentLengthZero;
+    private static ReadOnlySpan<byte> _defaultPreamble =>
+        "HTTP/1.1 200 OK\r\n"u8 +
+        "Server: K"u8 + "\r\n"u8 +
+        "Content-Type: text/plain"u8 +
+        "Content-Length: 0"u8;
 
     private static void Default(ref BufferWriter<WriterAdapter> writer)
     {

frameworks/CSharp/aspnetcore/PlatformBenchmarks/Data/CachedWorld.cs

@@ -9,5 +9,5 @@ public sealed class CachedWorld
 
     public int RandomNumber { get; set; }
 
-    public static implicit operator CachedWorld(World world) => new CachedWorld { Id = world.Id, RandomNumber = world.RandomNumber };
+    public static implicit operator CachedWorld(World world) => new() { Id = world.Id, RandomNumber = world.RandomNumber };
 }

frameworks/CSharp/aspnetcore/PlatformBenchmarks/DateHeader.cs

@@ -57,9 +57,7 @@ private static void SetDateValues(DateTimeOffset value)
                 throw new Exception("date time format failed");
             }
             Debug.Assert(written == dateTimeRLength);
-            var temp = s_headerBytesMaster;
-            s_headerBytesMaster = s_headerBytesScratch;
-            s_headerBytesScratch = temp;
+            (s_headerBytesScratch, s_headerBytesMaster) = (s_headerBytesMaster, s_headerBytesScratch);
         }
     }
 }

frameworks/CSharp/aspnetcore/PlatformBenchmarks/PlatformBenchmarks.csproj

@@ -1,9 +1,10 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net7.0</TargetFramework>
     <OutputType>Exe</OutputType>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <ImplicitUsings>enable</ImplicitUsings>
+    <TieredPGO>true</TieredPGO>
   </PropertyGroup>
 
   <PropertyGroup>

frameworks/CSharp/aspnetcore/PlatformBenchmarks/Program.cs

@@ -2,6 +2,7 @@
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
 using System.Runtime.InteropServices;
+using System.Text;
 
 namespace PlatformBenchmarks;
 
@@ -13,15 +14,15 @@ public static async Task Main(string[] args)
     {
         Args = args;
 
-        Console.WriteLine(BenchmarkApplication.ApplicationName);
+        Console.WriteLine(Encoding.UTF8.GetString(BenchmarkApplication.ApplicationName));
 #if !DATABASE
-        Console.WriteLine(BenchmarkApplication.Paths.Plaintext);
-        Console.WriteLine(BenchmarkApplication.Paths.Json);
+        Console.WriteLine(Encoding.UTF8.GetString(BenchmarkApplication.Paths.Plaintext));
+        Console.WriteLine(Encoding.UTF8.GetString(BenchmarkApplication.Paths.Json));
 #else
-            Console.WriteLine(BenchmarkApplication.Paths.Fortunes);
-            Console.WriteLine(BenchmarkApplication.Paths.SingleQuery);
-            Console.WriteLine(BenchmarkApplication.Paths.Updates);
-            Console.WriteLine(BenchmarkApplication.Paths.MultipleQueries);
+            Console.WriteLine(Encoding.UTF8.GetString(BenchmarkApplication.Paths.Fortunes));
+            Console.WriteLine(Encoding.UTF8.GetString(BenchmarkApplication.Paths.SingleQuery));
+            Console.WriteLine(Encoding.UTF8.GetString(BenchmarkApplication.Paths.Updates));
+            Console.WriteLine(Encoding.UTF8.GetString(BenchmarkApplication.Paths.MultipleQueries));
 #endif
         DateHeader.SyncDateTimer();
 

frameworks/CSharp/aspnetcore/aspcore-ado-my.dockerfile

@@ -1,9 +1,9 @@
-FROM mcr.microsoft.com/dotnet/sdk:6.0.100 AS build
+FROM mcr.microsoft.com/dotnet/sdk:7.0.100 AS build
 WORKDIR /app
 COPY PlatformBenchmarks .
 RUN dotnet publish -c Release -o out /p:DatabaseProvider=MySqlConnector
 
-FROM mcr.microsoft.com/dotnet/aspnet:6.0.0 AS runtime
+FROM mcr.microsoft.com/dotnet/aspnet:7.0.0 AS runtime
 ENV ASPNETCORE_URLS http://+:8080
 
 # Full PGO

frameworks/CSharp/aspnetcore/aspcore-ado-pg-up.dockerfile

@@ -1,9 +1,9 @@
-FROM mcr.microsoft.com/dotnet/sdk:6.0.100 AS build
+FROM mcr.microsoft.com/dotnet/sdk:7.0.100 AS build
 WORKDIR /app
 COPY PlatformBenchmarks .
 RUN dotnet publish -c Release -o out /p:DatabaseProvider=Npgsql
 
-FROM mcr.microsoft.com/dotnet/aspnet:6.0.0 AS runtime
+FROM mcr.microsoft.com/dotnet/aspnet:7.0.0 AS runtime
 ENV ASPNETCORE_URLS http://+:8080
 
 # Full PGO

frameworks/CSharp/aspnetcore/aspcore-ado-pg.dockerfile

@@ -1,9 +1,9 @@
-FROM mcr.microsoft.com/dotnet/sdk:6.0.100 AS build
+FROM mcr.microsoft.com/dotnet/sdk:7.0.100 AS build
 WORKDIR /app
 COPY PlatformBenchmarks .
 RUN dotnet publish -c Release -o out /p:DatabaseProvider=Npgsql
 
-FROM mcr.microsoft.com/dotnet/aspnet:6.0.0 AS runtime
+FROM mcr.microsoft.com/dotnet/aspnet:7.0.0 AS runtime
 ENV ASPNETCORE_URLS http://+:8080
 
 # Full PGO

frameworks/CSharp/aspnetcore/aspcore-mvc-ado-my.dockerfile

@@ -1,9 +1,9 @@
-FROM mcr.microsoft.com/dotnet/sdk:6.0.100 AS build
+FROM mcr.microsoft.com/dotnet/sdk:7.0.100 AS build
 WORKDIR /app
 COPY Benchmarks .
 RUN dotnet publish -c Release -o out
 
-FROM mcr.microsoft.com/dotnet/aspnet:6.0.0 AS runtime
+FROM mcr.microsoft.com/dotnet/aspnet:7.0.0 AS runtime
 ENV ASPNETCORE_URLS http://+:8080
 
 # Full PGO

frameworks/CSharp/aspnetcore/aspcore-mvc-ado-pg-up.dockerfile

@@ -1,9 +1,9 @@
-FROM mcr.microsoft.com/dotnet/sdk:6.0.100 AS build
+FROM mcr.microsoft.com/dotnet/sdk:7.0.100 AS build
 WORKDIR /app
 COPY Benchmarks .
 RUN dotnet publish -c Release -o out
 
-FROM mcr.microsoft.com/dotnet/aspnet:6.0.0 AS runtime
+FROM mcr.microsoft.com/dotnet/aspnet:7.0.0 AS runtime
 ENV ASPNETCORE_URLS http://+:8080
 
 # Full PGO

frameworks/CSharp/aspnetcore/aspcore-mvc-ado-pg.dockerfile

@@ -1,9 +1,9 @@
-FROM mcr.microsoft.com/dotnet/sdk:6.0.100 AS build
+FROM mcr.microsoft.com/dotnet/sdk:7.0.100 AS build
 WORKDIR /app
 COPY Benchmarks .
 RUN dotnet publish -c Release -o out
 
-FROM mcr.microsoft.com/dotnet/aspnet:6.0.0 AS runtime
+FROM mcr.microsoft.com/dotnet/aspnet:7.0.0 AS runtime
 ENV ASPNETCORE_URLS http://+:8080
 
 # Full PGO

frameworks/CSharp/aspnetcore/aspcore-mvc-dap-my.dockerfile

@@ -1,9 +1,9 @@
-FROM mcr.microsoft.com/dotnet/sdk:6.0.100 AS build
+FROM mcr.microsoft.com/dotnet/sdk:7.0.100 AS build
 WORKDIR /app
 COPY Benchmarks .
 RUN dotnet publish -c Release -o out
 
-FROM mcr.microsoft.com/dotnet/aspnet:6.0.0 AS runtime
+FROM mcr.microsoft.com/dotnet/aspnet:7.0.0 AS runtime
 ENV ASPNETCORE_URLS http://+:8080
 
 # Full PGO

frameworks/CSharp/aspnetcore/aspcore-mvc-dap-pg-up.dockerfile

@@ -1,9 +1,9 @@
-FROM mcr.microsoft.com/dotnet/sdk:6.0.100 AS build
+FROM mcr.microsoft.com/dotnet/sdk:7.0.100 AS build
 WORKDIR /app
 COPY Benchmarks .
 RUN dotnet publish -c Release -o out
 
-FROM mcr.microsoft.com/dotnet/aspnet:6.0.0 AS runtime
+FROM mcr.microsoft.com/dotnet/aspnet:7.0.0 AS runtime
 ENV ASPNETCORE_URLS http://+:8080
 
 # Full PGO