From f973e073417ee69aaf327f602790add849951929 Mon Sep 17 00:00:00 2001
From: Alex Peck <amwpeck@gmail.com>
Date: Thu, 21 Nov 2024 05:13:02 +0000
Subject: [PATCH] freq bench

---
 .../BitFaster.Caching.Benchmarks.csproj        |  2 +-
 .../Lfu/SketchFrequency.cs                     | 18 ++++++++++++++++--
 2 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/BitFaster.Caching.Benchmarks/BitFaster.Caching.Benchmarks.csproj b/BitFaster.Caching.Benchmarks/BitFaster.Caching.Benchmarks.csproj
index df10ca09..789e1174 100644
--- a/BitFaster.Caching.Benchmarks/BitFaster.Caching.Benchmarks.csproj
+++ b/BitFaster.Caching.Benchmarks/BitFaster.Caching.Benchmarks.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-      <LangVersion>13</LangVersion>
+    <LangVersion>latest</LangVersion>
     <TargetFrameworks>net48;net6.0;net8.0</TargetFrameworks>
     <AllowUnsafeBlocks>True</AllowUnsafeBlocks>
     <!-- https://stackoverflow.com/a/59916801/131345 -->
diff --git a/BitFaster.Caching.Benchmarks/Lfu/SketchFrequency.cs b/BitFaster.Caching.Benchmarks/Lfu/SketchFrequency.cs
index b97bc19d..4a95f933 100644
--- a/BitFaster.Caching.Benchmarks/Lfu/SketchFrequency.cs
+++ b/BitFaster.Caching.Benchmarks/Lfu/SketchFrequency.cs
@@ -8,6 +8,8 @@
 namespace BitFaster.Caching.Benchmarks.Lfu
 {
     [SimpleJob(RuntimeMoniker.Net60)]
+    [SimpleJob(RuntimeMoniker.Net80)]
+    [SimpleJob(RuntimeMoniker.Net90)]
     [MemoryDiagnoser(displayGenColumns: false)]
     [HideColumns("Job", "Median", "RatioSD", "Alloc Ratio")]
     [ColumnChart(Title ="Sketch Frequency ({JOB})")]
@@ -20,6 +22,7 @@ public class SketchFrequency
         private CmSketchFlat<int, DetectIsa> flatAvx;
 
         private CmSketchCore<int, DisableHardwareIntrinsics> blockStd;
+        private CmSketchNoPin<int, DetectIsa> blockAvxNoPin;
         private CmSketchCore<int, DetectIsa> blockAvx;
 
         [Params(32_768, 524_288, 8_388_608, 134_217_728)]
@@ -32,6 +35,7 @@ public void Setup()
             flatAvx = new CmSketchFlat<int, DetectIsa>(Size, EqualityComparer<int>.Default);
 
             blockStd = new CmSketchCore<int, DisableHardwareIntrinsics>(Size, EqualityComparer<int>.Default);
+            blockAvxNoPin = new CmSketchNoPin<int, DetectIsa>(Size, EqualityComparer<int>.Default);
             blockAvx = new CmSketchCore<int, DetectIsa>(Size, EqualityComparer<int>.Default);
         }
 
@@ -45,7 +49,7 @@ public int FrequencyFlat()
             return count;
         }
 
-        [Benchmark(OperationsPerInvoke = iterations)]
+        //[Benchmark(OperationsPerInvoke = iterations)]
         public int FrequencyFlatAvx()
         {
             int count = 0;
@@ -66,7 +70,17 @@ public int FrequencyBlock()
         }
 
         [Benchmark(OperationsPerInvoke = iterations)]
-        public int FrequencyBlockAvx()
+        public int FrequencyBlockAvxNotPinned()
+        {
+            int count = 0;
+            for (int i = 0; i < iterations; i++)
+                count += blockAvxNoPin.EstimateFrequency(i) > blockAvx.EstimateFrequency(i + 1) ? 1 : 0;
+
+            return count;
+        }
+
+        [Benchmark(OperationsPerInvoke = iterations)]
+        public int FrequencyBlockAvxPinned()
         {
             int count = 0;
             for (int i = 0; i < iterations; i++)