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This is Claude Code again.

I have been preparing some performance improvements to the real FFT, so it would be useful with separate benchmarks for the real case.

This commit adds comprehensive real FFT (rfft) benchmarking alongside the existing complex FFT benchmarks:

  • Modified bench_ffta.jl to benchmark both complex and real FFTs
  • Modified bench_fftw.jl to benchmark both complex and real FFTs
  • Updated generate_html_report.jl to display real FFT results in a separate section with dedicated plots and tables
  • Updated README.md to document the new real FFT benchmarking capabilities

The real FFT benchmarks use Float64 input arrays and test the same size categories as complex FFTs. The HTML report now includes:

  • Separate sections for complex FFT and real FFT results
  • Interactive Plotly.js charts for both FFT types
  • Detailed performance comparison tables
  • Information about real FFT optimizations (conjugate symmetry, ~2x speedup)

The report gracefully handles cases where real FFT results may not be available by hiding the real FFT section if the data files don't exist.

This commit adds comprehensive real FFT (rfft) benchmarking alongside the
existing complex FFT benchmarks:

- Modified bench_ffta.jl to benchmark both complex and real FFTs
- Modified bench_fftw.jl to benchmark both complex and real FFTs
- Updated generate_html_report.jl to display real FFT results in a
  separate section with dedicated plots and tables
- Updated README.md to document the new real FFT benchmarking capabilities

The real FFT benchmarks use Float64 input arrays and test the same size
categories as complex FFTs. The HTML report now includes:
- Separate sections for complex FFT and real FFT results
- Interactive Plotly.js charts for both FFT types
- Detailed performance comparison tables
- Information about real FFT optimizations (conjugate symmetry, ~2x speedup)

The report gracefully handles cases where real FFT results may not be
available by hiding the real FFT section if the data files don't exist.
@andreasnoack andreasnoack requested a review from dannys4 January 19, 2026 13:52
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codecov bot commented Jan 19, 2026

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 97.96%. Comparing base (ba40c9c) to head (f25cb49).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files
@@            Coverage Diff             @@
##             main      #96      +/-   ##
==========================================
- Coverage   98.04%   97.96%   -0.08%     
==========================================
  Files           4        4              
  Lines         409      393      -16     
==========================================
- Hits          401      385      -16     
  Misses          8        8              

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@andreasnoack
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Closing in favor of #97

@andreasnoack andreasnoack deleted the claude/add-real-ffts-benchmark-vOhzg branch January 19, 2026 15:26
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