Measure indicator calculation speed with BenchmarkDotNet, a benchmarking tool for .NET. Compare batch, incremental, and streaming implementations, detect slowdowns against saved results, and evaluate changes intended to reduce processing time and memory allocations.
Benchmark indicator performance with BenchmarkDotNet. Use for Series/Buffer/Stream benchmarks, regression detection, and optimization patterns. Target 1.5x Series for StreamHub, 1.2x for BufferList.
Review the instructions the agent will receive before you install.
cd tools/performance
# Run all benchmarks (~15-20 minutes)
dotnet run -c Release
# Run specific category
dotnet run -c Release --filter *StreamIndicators*
dotnet run -c Release --filter *BufferIndicators*
dotnet run -c Release --filter *SeriesIndicators*
# Run specific indicator
dotnet run -c Release --filter *.EmaHub
[Benchmark]
public void ToMyIndicator() => quotes.ToMyIndicator(14);
[Benchmark]
public object MyIndicatorHub() => quoteHub.ToMyIndicatorHub(14).Results;
[Benchmark]
public MyIndicatorList MyIndicatorList() => new(14) { quotes };
[Benchmark]
public IReadOnlyList<MyResult> MyIndicatorSeries() => quotes.ToMyIndicator(14);
[Benchmark]
public IReadOnlyList<MyResult> MyIndicatorBuffer() => quotes.ToMyIndicatorList(14);
[Benchmark]
public IReadOnlyList<MyResult> MyIndicatorStream() => quoteHub.ToMyIndicator(14).Results;
Note: These are optimization goals for future v3.1+ effort. Current implementations vary—see PERFORMANCE_ANALYSIS.md for actual measured performance. Some indicator families (e.g., EMA) have inherent framework overhead due to simple operation costs.
| Style | Target vs Series | Use Case |
|---|---|---|
| Series | Baseline | Batch processing |
| BufferList | ≤ 1.2x | Incremental data |
| StreamHub | ≤ 1.5x | Real-time feeds |
Note: These are optimization targets. Actual execution times vary by indicator complexity and current implementation.
| Complexity | Time | Examples |
|---|---|---|
| Fast | < 30μs | SMA, EMA, WMA, RSI |
| Medium | 30-60μs | MACD, Bollinger Bands, ATR |
| Complex | 60-100μs | HMA, ADX, Stochastic |
| Advanced | 100-200μs+ | Ichimoku, Hurst |
# Auto-detect baseline and results
pwsh detect-regressions.ps1
# Custom threshold (default 10%)
pwsh detect-regressions.ps1 -ThresholdPercent 15
Exit codes:
0 - No regressions1 - Regressions foundcp BenchmarkDotNet.Artifacts/results/Performance.*-report-full.json \
baselines/baseline-v3.0.0.json
Span<T> for zero-copy operationsSee references/benchmark-patterns.md for detailed patterns.
Last updated: December 31, 2025
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