Enable RS1026 (Enable concurrent execution)

.editorconfig

@@ -13,9 +13,6 @@ dotnet_diagnostic.VSTHRD103.severity = none
 # VSTHRD200: Use "Async" suffix for async methods
 dotnet_diagnostic.VSTHRD200.severity = none
 
-# RS1026: Enable concurrent execution
-dotnet_diagnostic.RS1026.severity = none
-
 [test/**/*.cs]
 
 # MSML_GeneralName: This name should be PascalCased

tools-local/Microsoft.ML.InternalCodeAnalyzer/BestFriendAnalyzer.cs

@@ -40,6 +40,7 @@ public override void Initialize(AnalysisContext context)
         {
             // This analyzer reports violations in all code (including generated code)
             context.ConfigureGeneratedCodeAnalysis(GeneratedCodeAnalysisFlags.Analyze | GeneratedCodeAnalysisFlags.ReportDiagnostics);
+            context.EnableConcurrentExecution();
 
             context.RegisterSemanticModelAction(Analyze);
         }

tools-local/Microsoft.ML.InternalCodeAnalyzer/ContractsCheckAnalyzer.cs

@@ -88,6 +88,8 @@ internal static class DecodeMessageWithLoadContextDiagnostic
         public override void Initialize(AnalysisContext context)
         {
             context.ConfigureGeneratedCodeAnalysis(GeneratedCodeAnalysisFlags.None);
+            context.EnableConcurrentExecution();
+
             context.RegisterSyntaxNodeAction(Analyze, SyntaxKind.InvocationExpression);
         }
 

tools-local/Microsoft.ML.InternalCodeAnalyzer/InstanceInitializerAnalyzer.cs

@@ -31,6 +31,8 @@ public sealed class InstanceInitializerAnalyzer : DiagnosticAnalyzer
         public override void Initialize(AnalysisContext context)
         {
             context.ConfigureGeneratedCodeAnalysis(GeneratedCodeAnalysisFlags.None);
+            context.EnableConcurrentExecution();
+
             context.RegisterSymbolAction(AnalyzeField, SymbolKind.Field);
             context.RegisterSymbolAction(AnalyzeProperty, SymbolKind.Property);
         }

tools-local/Microsoft.ML.InternalCodeAnalyzer/NameAnalyzer.cs

@@ -74,6 +74,8 @@ internal static class GeneralName
         public override void Initialize(AnalysisContext context)
         {
             context.ConfigureGeneratedCodeAnalysis(GeneratedCodeAnalysisFlags.None);
+            context.EnableConcurrentExecution();
+
             context.RegisterSyntaxNodeAction(AnalyzeField, SyntaxKind.FieldDeclaration);
             context.RegisterSyntaxNodeAction(AnalyzeField, SyntaxKind.EventFieldDeclaration);
             context.RegisterSyntaxNodeAction(AnalyzeClass, SyntaxKind.ClassDeclaration);

tools-local/Microsoft.ML.InternalCodeAnalyzer/ParameterVariableNameAnalyzer.cs

@@ -32,6 +32,8 @@ public sealed class ParameterVariableNameAnalyzer : DiagnosticAnalyzer
         public override void Initialize(AnalysisContext context)
         {
             context.ConfigureGeneratedCodeAnalysis(GeneratedCodeAnalysisFlags.None);
+            context.EnableConcurrentExecution();
+
             context.RegisterSyntaxNodeAction(AnalyzeParameter, SyntaxKind.Parameter);
             context.RegisterSyntaxNodeAction(AnalyzeLocal, SyntaxKind.LocalDeclarationStatement);
         }

tools-local/Microsoft.ML.InternalCodeAnalyzer/SingleVariableDeclarationAnalyzer.cs

@@ -32,6 +32,8 @@ public sealed class SingleVariableDeclarationAnalyzer : DiagnosticAnalyzer
         public override void Initialize(AnalysisContext context)
         {
             context.ConfigureGeneratedCodeAnalysis(GeneratedCodeAnalysisFlags.None);
+            context.EnableConcurrentExecution();
+
             context.RegisterSyntaxNodeAction(Analyze, SyntaxKind.VariableDeclaration);
         }
 

tools-local/Microsoft.ML.InternalCodeAnalyzer/TypeParamNameAnalyzer.cs

@@ -31,6 +31,8 @@ public sealed class TypeParamNameAnalyzer : DiagnosticAnalyzer
         public override void Initialize(AnalysisContext context)
         {
             context.ConfigureGeneratedCodeAnalysis(GeneratedCodeAnalysisFlags.None);
+            context.EnableConcurrentExecution();
+
             context.RegisterSyntaxNodeAction(Analyze, SyntaxKind.TypeParameter);
         }