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πŸ’‘ What:

  • Replaced the inefficient np.roll based implementation in DelayEffect._process_impl with a vectorized chunked circular buffer approach.
  • Added self.write_pos state to DelayEffect to maintain buffer position across processing blocks.

🎯 Why:

  • The previous implementation used np.roll inside a Python loop for every sample, which has O(N*D) complexity (where D is delay length) due to array copying.
  • This caused processing to be ~0.45x real-time (slower than playback) for typical settings.

πŸ“Š Measured Improvement:

  • Baseline: ~11.0s for 5s of audio (0.45x real-time).
  • Optimized: ~0.02s for 5s of audio (237x real-time).
  • Speedup: >500x.

PR created automatically by Jules for task 11642518927495931376 started by @lightmyfireadmin

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πŸ‘‹ Jules, reporting for duty! I'm here to lend a hand with this pull request.

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Codacy's Analysis Summary

0 new issue (≀ 0 issue)
0 new security issue
0 complexity
0 duplications

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