Updated benchmark program

CombinationAB · Feb 15, 2023 · 1ea665e · 1ea665e
1 parent 72a6adb
commit 1ea665e
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Showing 4 changed files with 27 additions and 4 deletions.
diff --git a/Performance/Deduplication.cs b/Performance/Deduplication.cs
@@ -16,18 +16,18 @@ public class Deduplication
     public IUtf8DeduplicatedStringPool Pool;
 
     [Benchmark]
-    public void DoAdd() => Pool.Add(DataSet[Random.Next(0, DataSet.Length)]);
+    public PooledUtf8String DoAdd() => Pool.Add(DataSet[Random.Next(0, DataSet.Length)]);
 
     public IEnumerable<string[]> CreateDataSet()
     {
-        foreach (var size in new[] { 10000, 100000, 1000000, 10000000 })
+        foreach (var size in new[] { 10000, 100000, 1000000 })
         {
             yield return Enumerable.Range(0, size).Select(_ => RandomString()).ToArray();
         }
     }
 
     public IEnumerable<IUtf8DeduplicatedStringPool> CreatePools()
-        => (new[] { 9, 10, 12, 14, 16 }).Select(bits => StringPool.DeduplicatedUtf8(4096, 1, bits));
+        => (new[] { 10, 12, 16 }).Select(bits => StringPool.DeduplicatedUtf8(4096, 1, bits));
 
     internal static string RandomString()
     {

diff --git a/Performance/Hashing.cs b/Performance/Hashing.cs
@@ -0,0 +1,19 @@
+using BenchmarkDotNet.Attributes;
+using Combination.StringPools;
+
+namespace Performance;
+
+#pragma warning disable CS8618
+public class Hashing
+{
+    private static IUtf8DeduplicatedStringPool pool = StringPool.DeduplicatedUtf8(4096, 1, 12);
+
+    [ParamsSource(nameof(CreateStrings))]
+    public PooledUtf8String String;
+
+    [Benchmark]
+    public int Hash() => String.GetHashCode();
+
+    public IEnumerable<PooledUtf8String> CreateStrings()
+        => new[] { pool.Add("Some ASCII string"), pool.Add("Some ünicöde string") };
+}
diff --git a/Performance/Program.cs b/Performance/Program.cs
@@ -4,7 +4,8 @@
 using Combination.StringPools;
 using Performance;
 
-var summary = BenchmarkRunner.Run<Deduplication>();
+//var summary = BenchmarkRunner.Run<Deduplication>();
+var summary = BenchmarkRunner.Run<Hashing>();
 
 #if false
 foreach (var sizeMultiple in Enumerable.Range(1, 11))

diff --git a/src/Combination.StringPools/Utf8StringPool.cs b/src/Combination.StringPools/Utf8StringPool.cs
@@ -487,4 +487,7 @@ internal static bool StringsEqual(ulong a, ulong b)
             return aPool.GetStringBytes(aOffset).SequenceEqual(aPool.GetStringBytes(bOffset));
         }
     }
+
+    public override string ToString() =>
+        $"Utf8StringPool(bits={deduplicationTableBits}, dedup={deduplicationTable is not null}, pages={pages.Count}, used={usedBytes}, added={addedBytes})";
 }