diff --git a/src/OpenTelemetry/CHANGELOG.md b/src/OpenTelemetry/CHANGELOG.md
index e2c05734c6e..17e717053cb 100644
--- a/src/OpenTelemetry/CHANGELOG.md
+++ b/src/OpenTelemetry/CHANGELOG.md
@@ -26,7 +26,7 @@ Released 2021-Nov-29
* Prevent accessing activity Id before sampler runs in case of legacy
activities.
- ([2659](https://github.com/open-telemetry/opentelemetry-dotnet/pull/2659))
+ ([#2659](https://github.com/open-telemetry/opentelemetry-dotnet/pull/2659))
* Added `ReadOnlyTagCollection` and expose `Tags` on `MetricPoint` instead of
`Keys`+`Values`
diff --git a/test/Benchmarks/Metrics/HistogramBenchmarks.cs b/test/Benchmarks/Metrics/HistogramBenchmarks.cs
new file mode 100644
index 00000000000..aff46b76686
--- /dev/null
+++ b/test/Benchmarks/Metrics/HistogramBenchmarks.cs
@@ -0,0 +1,110 @@
+//
+// Copyright The OpenTelemetry Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+using System;
+using System.Collections.Generic;
+using System.Diagnostics.Metrics;
+using System.Threading;
+using BenchmarkDotNet.Attributes;
+using OpenTelemetry;
+using OpenTelemetry.Exporter;
+using OpenTelemetry.Metrics;
+using OpenTelemetry.Tests;
+
+/*
+BenchmarkDotNet=v0.13.1, OS=Windows 10.0.19044.1503 (21H2)
+AMD Ryzen 9 3900X, 1 CPU, 24 logical and 12 physical cores
+.NET SDK=6.0.101
+ [Host] : .NET 6.0.1 (6.0.121.56705), X64 RyuJIT
+ DefaultJob : .NET 6.0.1 (6.0.121.56705), X64 RyuJIT
+
+
+| Method | BoundCount | Mean | Error | StdDev | Allocated |
+|----------------------- |----------- |---------:|---------:|---------:|----------:|
+| HistogramLongHotPath | 10 | 55.44 ns | 0.211 ns | 0.187 ns | - |
+| HistogramDoubleHotPath | 10 | 55.69 ns | 0.129 ns | 0.107 ns | - |
+| HistogramLongHotPath | 20 | 57.71 ns | 0.297 ns | 0.278 ns | - |
+| HistogramDoubleHotPath | 20 | 58.10 ns | 0.117 ns | 0.110 ns | - |
+| HistogramLongHotPath | 50 | 65.21 ns | 0.356 ns | 0.333 ns | - |
+| HistogramDoubleHotPath | 50 | 66.34 ns | 0.381 ns | 0.356 ns | - |
+| HistogramLongHotPath | 100 | 79.49 ns | 0.804 ns | 0.753 ns | - |
+| HistogramDoubleHotPath | 100 | 85.77 ns | 0.947 ns | 0.840 ns | - |
+*/
+
+namespace Benchmarks.Metrics
+{
+ [MemoryDiagnoser]
+ public class HistogramBenchmarks
+ {
+ private const int MaxValue = 1000;
+ private static readonly ThreadLocal ThreadLocalRandom = new(() => new Random());
+ private Histogram histogramLong;
+ private Histogram histogramDouble;
+ private MeterProvider provider;
+ private Meter meter;
+ private double[] bounds;
+
+ [Params(10, 20, 50, 100)]
+ public int BoundCount { get; set; }
+
+ [GlobalSetup]
+ public void Setup()
+ {
+ this.meter = new Meter(Utils.GetCurrentMethodName());
+
+ this.histogramLong = this.meter.CreateHistogram("histogramLong");
+ this.histogramDouble = this.meter.CreateHistogram("histogramDouble");
+
+ // Evenly distribute the bound values over the range [0, MaxValue)
+ this.bounds = new double[this.BoundCount];
+ for (int i = 0; i < this.bounds.Length; i++)
+ {
+ this.bounds[i] = i * MaxValue / this.bounds.Length;
+ }
+
+ var exportedItems = new List();
+ var reader = new PeriodicExportingMetricReader(new InMemoryExporter(exportedItems), 1000);
+
+ this.provider = Sdk.CreateMeterProviderBuilder()
+ .AddMeter(this.meter.Name)
+ .AddReader(reader)
+ .AddView(this.histogramLong.Name, new ExplicitBucketHistogramConfiguration() { Boundaries = this.bounds })
+ .AddView(this.histogramDouble.Name, new ExplicitBucketHistogramConfiguration() { Boundaries = this.bounds })
+ .Build();
+ }
+
+ [GlobalCleanup]
+ public void Cleanup()
+ {
+ this.meter?.Dispose();
+ this.provider?.Dispose();
+ }
+
+ [Benchmark]
+ public void HistogramLongHotPath()
+ {
+ var random = ThreadLocalRandom.Value;
+ this.histogramLong?.Record(random.Next(MaxValue));
+ }
+
+ [Benchmark]
+ public void HistogramDoubleHotPath()
+ {
+ var random = ThreadLocalRandom.Value;
+ this.histogramDouble?.Record(random.NextDouble() * MaxValue);
+ }
+ }
+}