Remove final allocations

src/ImageSharp/Advanced/ParallelUtils/IRowIntervalAction.cs

@@ -40,7 +40,7 @@ namespace SixLabors.ImageSharp.Advanced.ParallelUtils
         }
     }
 
-    internal readonly struct WrappingRowIntervalAction<T> : IRowIntervalAction
+    internal readonly struct WrappingRowIntervalAction<T>
         where T : struct, IRowIntervalAction
     {
         private readonly WrappingRowIntervalInfo info;
@@ -63,13 +63,9 @@ namespace SixLabors.ImageSharp.Advanced.ParallelUtils
             }
 
             int yMax = Math.Min(yMin + this.info.StepY, this.info.MaxY);
-
             var rows = new RowInterval(yMin, yMax);
 
-            this.Invoke(in rows);
+            this.action.Invoke(in rows);
         }
-
-        [MethodImpl(InliningOptions.ShortMethod)]
-        public void Invoke(in RowInterval rows) => this.action.Invoke(in rows);
     }
 }

src/ImageSharp/Advanced/ParallelUtils/IRowIntervalAction{TBuffer}.cs

@@ -23,7 +23,7 @@ namespace SixLabors.ImageSharp.Advanced.ParallelUtils
         void Invoke(in RowInterval rows, Memory<TBuffer> memory);
     }
 
-    internal readonly struct WrappingRowIntervalAction<T, TBuffer> : IRowIntervalAction<TBuffer>
+    internal readonly struct WrappingRowIntervalAction<T, TBuffer>
         where T : struct, IRowIntervalAction<TBuffer>
         where TBuffer : unmanaged
     {
@@ -52,16 +52,12 @@ namespace SixLabors.ImageSharp.Advanced.ParallelUtils
             }
 
             int yMax = Math.Min(yMin + this.info.StepY, this.info.MaxY);
-
             var rows = new RowInterval(yMin, yMax);
 
             using (IMemoryOwner<TBuffer> buffer = this.allocator.Allocate<TBuffer>(this.info.MaxX))
             {
-                this.Invoke(in rows, buffer.Memory);
+                this.action.Invoke(in rows, buffer.Memory);
             }
         }
-
-        [MethodImpl(InliningOptions.ShortMethod)]
-        public void Invoke(in RowInterval rows, Memory<TBuffer> memory) => this.action.Invoke(in rows, memory);
     }
 }

src/ImageSharp/Advanced/ParallelUtils/ParallelHelper.cs

@@ -73,7 +73,7 @@ namespace SixLabors.ImageSharp.Advanced.ParallelUtils
                 0,
                 numOfSteps,
                 parallelOptions,
-                i => rowAction.Invoke(i));
+                rowAction.Invoke);
         }
 
         /// <summary>
@@ -136,8 +136,7 @@ namespace SixLabors.ImageSharp.Advanced.ParallelUtils
                 0,
                 numOfSteps,
                 parallelOptions,
-                i =>
+                rowAction.Invoke);
-                rowAction.Invoke(i));
         }
 
         /// <summary>