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test/Benchmarks/Metrics/Base2ExponentialHistogramBenchmarks.cs
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| // <copyright file="Base2ExponentialHistogramBenchmarks.cs" company="OpenTelemetry Authors"> | ||
| // 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. | ||
| // </copyright> | ||
|
|
||
| using System.Diagnostics; | ||
| using System.Diagnostics.Metrics; | ||
| using BenchmarkDotNet.Attributes; | ||
| using OpenTelemetry; | ||
| using OpenTelemetry.Metrics; | ||
| using OpenTelemetry.Tests; | ||
|
|
||
| /* | ||
| BenchmarkDotNet=v0.13.5, OS=Windows 11 (10.0.23424.1000) | ||
| Intel Core i7-9700 CPU 3.00GHz, 1 CPU, 8 logical and 8 physical cores | ||
| .NET SDK=7.0.203 | ||
| [Host] : .NET 7.0.5 (7.0.523.17405), X64 RyuJIT AVX2 | ||
| DefaultJob : .NET 7.0.5 (7.0.523.17405), X64 RyuJIT AVX2 | ||
| | Method | Mean | Error | StdDev | Allocated | | ||
| |---------------------------- |----------:|---------:|---------:|----------:| | ||
| | HistogramHotPath | 54.78 ns | 0.907 ns | 0.848 ns | - | | ||
| | HistogramWith1LabelHotPath | 115.37 ns | 0.388 ns | 0.363 ns | - | | ||
| | HistogramWith3LabelsHotPath | 228.03 ns | 3.767 ns | 3.146 ns | - | | ||
| | HistogramWith5LabelsHotPath | 316.60 ns | 5.980 ns | 9.311 ns | - | | ||
| | HistogramWith7LabelsHotPath | 366.86 ns | 2.694 ns | 3.596 ns | - | | ||
| */ | ||
|
|
||
| namespace Benchmarks.Metrics; | ||
|
|
||
| public class Base2ExponentialHistogramBenchmarks | ||
| { | ||
| private const int MaxValue = 10000; | ||
| private readonly Random random = new(); | ||
| private readonly string[] dimensionValues = new string[] { "DimVal1", "DimVal2", "DimVal3", "DimVal4", "DimVal5", "DimVal6", "DimVal7", "DimVal8", "DimVal9", "DimVal10" }; | ||
| private Histogram<long> histogram; | ||
| private MeterProvider provider; | ||
| private Meter meter; | ||
|
|
||
| [GlobalSetup] | ||
| public void Setup() | ||
| { | ||
| this.meter = new Meter(Utils.GetCurrentMethodName()); | ||
| this.histogram = this.meter.CreateHistogram<long>("histogram"); | ||
|
|
||
| var exportedItems = new List<Metric>(); | ||
|
|
||
| this.provider = Sdk.CreateMeterProviderBuilder() | ||
| .AddMeter(this.meter.Name) | ||
| .AddInMemoryExporter(exportedItems, metricReaderOptions => | ||
| { | ||
| metricReaderOptions.PeriodicExportingMetricReaderOptions.ExportIntervalMilliseconds = 1000; | ||
| }) | ||
| .AddView("histogram", new Base2ExponentialBucketHistogramConfiguration()) | ||
| .Build(); | ||
| } | ||
|
|
||
| [GlobalCleanup] | ||
| public void Cleanup() | ||
| { | ||
| this.meter?.Dispose(); | ||
| this.provider?.Dispose(); | ||
| } | ||
|
|
||
| [Benchmark] | ||
| public void HistogramHotPath() | ||
| { | ||
| this.histogram.Record(this.random.Next(MaxValue)); | ||
| } | ||
|
|
||
| [Benchmark] | ||
| public void HistogramWith1LabelHotPath() | ||
| { | ||
| var tag1 = new KeyValuePair<string, object>("DimName1", this.dimensionValues[this.random.Next(0, 2)]); | ||
| this.histogram.Record(this.random.Next(MaxValue), tag1); | ||
| } | ||
|
|
||
| [Benchmark] | ||
| public void HistogramWith3LabelsHotPath() | ||
| { | ||
| var tag1 = new KeyValuePair<string, object>("DimName1", this.dimensionValues[this.random.Next(0, 10)]); | ||
| var tag2 = new KeyValuePair<string, object>("DimName2", this.dimensionValues[this.random.Next(0, 10)]); | ||
| var tag3 = new KeyValuePair<string, object>("DimName3", this.dimensionValues[this.random.Next(0, 10)]); | ||
| this.histogram.Record(this.random.Next(MaxValue), tag1, tag2, tag3); | ||
| } | ||
|
|
||
| [Benchmark] | ||
| public void HistogramWith5LabelsHotPath() | ||
| { | ||
| var tags = new TagList | ||
| { | ||
| { "DimName1", this.dimensionValues[this.random.Next(0, 2)] }, | ||
| { "DimName2", this.dimensionValues[this.random.Next(0, 2)] }, | ||
| { "DimName3", this.dimensionValues[this.random.Next(0, 5)] }, | ||
| { "DimName4", this.dimensionValues[this.random.Next(0, 5)] }, | ||
| { "DimName5", this.dimensionValues[this.random.Next(0, 10)] }, | ||
| }; | ||
| this.histogram.Record(this.random.Next(MaxValue), tags); | ||
| } | ||
|
|
||
| [Benchmark] | ||
| public void HistogramWith7LabelsHotPath() | ||
| { | ||
| var tags = new TagList | ||
| { | ||
| { "DimName1", this.dimensionValues[this.random.Next(0, 2)] }, | ||
| { "DimName2", this.dimensionValues[this.random.Next(0, 2)] }, | ||
| { "DimName3", this.dimensionValues[this.random.Next(0, 5)] }, | ||
| { "DimName4", this.dimensionValues[this.random.Next(0, 5)] }, | ||
| { "DimName5", this.dimensionValues[this.random.Next(0, 5)] }, | ||
| { "DimName6", this.dimensionValues[this.random.Next(0, 2)] }, | ||
| { "DimName7", this.dimensionValues[this.random.Next(0, 1)] }, | ||
| }; | ||
| this.histogram.Record(this.random.Next(MaxValue), tags); | ||
| } | ||
| } |
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