Updating some benchmarks

Author: jkotalik

src/Http/Http/src/Features/QueryFeature.cs

@@ -148,7 +148,6 @@ public IQueryCollection Query
                     accumulator.Append(
                         Uri.UnescapeDataString(name.Replace('+', ' ')),
                         Uri.UnescapeDataString(value.Replace('+', ' ')));
-
                     equalIndex = queryString.IndexOf('=', delimiterIndex);
                     if (equalIndex == -1)
                     {
@@ -201,7 +200,7 @@ public void Append(string key, string value)
                         // Marker entry for this key to indicate entry already in expanding list dictionary
                         _expandingAccumulator[key].Add(value);
                     }
-                    else if (values.Count < 5)
+                    else if (values.Count == 1)
                     {
                         _accumulator[key] = StringValues.Concat(values, value);
                     }
@@ -212,7 +211,7 @@ public void Append(string key, string value)
 
                         if (_expandingAccumulator == null)
                         {
-                            _expandingAccumulator = new AdaptiveCapacityDictionary<string, List<string>>(StringComparer.OrdinalIgnoreCase);
+                            _expandingAccumulator = new AdaptiveCapacityDictionary<string, List<string>>(5, StringComparer.OrdinalIgnoreCase);
                         }
 
                         // Already 5 entries so use starting allocated as 10; then use List's expansion mechanism for more

src/Http/Routing/samples/MapActionSample/Startup.cs

@@ -40,8 +40,7 @@ public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
 
                 endpoints.MapGet("/", async context =>
                 {
-                    var res = context.Request.Query["foo"];
-                    await context.Response.WriteAsync(res.ToString());
+                    await context.Response.WriteAsync("Hello World!");
                 });
             });
         }

src/Http/WebUtilities/src/Microsoft.AspNetCore.WebUtilities.csproj

@@ -14,7 +14,6 @@
   <ItemGroup>
     <Compile Include="$(SharedSourceRoot)WebEncoders\**\*.cs" />
     <Compile Include="$(SharedSourceRoot)UrlDecoder\**\*.cs" />
-    <Compile Include="..\..\..\Shared\Dictionary\AdaptiveCapacityDictionary.cs" LinkBase="Internal" />
   </ItemGroup>
 
   <ItemGroup>

src/Http/WebUtilities/src/QueryHelpers.cs

@@ -6,7 +6,6 @@
 using System.Linq;
 using System.Text;
 using System.Text.Encodings.Web;
-using Microsoft.AspNetCore.Internal;
 using Microsoft.Extensions.Primitives;
 
 namespace Microsoft.AspNetCore.WebUtilities

src/Shared/Dictionary/AdaptiveCapacityDictionary.cs

@@ -554,7 +554,7 @@ private void EnsureCapacitySlow(int capacity)
             else
             {
                 // Initial capacity is 5, grows to 10 once.
-                capacity = _arrayStorage.Length == 0 ? DefaultArrayThreshold / 2 : _arrayStorage.Length * 2;
+                capacity = _arrayStorage.Length == 0 ? DefaultArrayThreshold : _arrayStorage.Length * 2;
                 var array = new KeyValuePair<TKey, TValue>[capacity];
                 if (_count > 0)
                 {