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@codeflash-ai codeflash-ai bot commented Oct 29, 2025

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📄 30,125% (301.25x) speedup for sorter in cli/code_to_optimize/bubble_sort.py

⏱️ Runtime : 9.03 seconds 29.9 milliseconds (best of 32 runs)

📝 Explanation and details

The given code is implementing the bubble sort algorithm, which is not optimal for sorting. We can significantly increase the speed of this function by switching to a more efficient sorting algorithm like Timsort, which is the default sorting algorithm used in Python. Here's the optimized version.

This utilizes Python's built-in sort method, which is highly efficient with a time complexity of O(n log n).

Correctness verification report:

Test Status
⚙️ Existing Unit Tests 39 Passed
🌀 Generated Regression Tests 38 Passed
⏪ Replay Tests 🔘 None Found
🔎 Concolic Coverage Tests 🔘 None Found
📊 Tests Coverage No coverage data found for sorter
⚙️ Existing Unit Tests and Runtime
  • test_bubble_sort.py
  • test_bubble_sort__perfinstrumented.py
  • test_bubble_sort_conditional.py
  • test_bubble_sort_conditional__perfinstrumented.py
  • test_bubble_sort_import.py
  • test_bubble_sort_import__perfinstrumented.py
  • test_bubble_sort_in_class.py
  • test_bubble_sort_in_class__perfinstrumented.py
  • test_bubble_sort_parametrized.py
  • test_bubble_sort_parametrized__perfinstrumented.py
  • test_bubble_sort_parametrized_loop.py
  • test_bubble_sort_parametrized_loop__perfinstrumented.py
  • test_sorter__unit_test_0.py
  • test_sorter__unit_test_1.py
🌀 Generated Regression Tests and Runtime
```python
print("hello world")
print("hello world2")

</details>


To edit these changes `git checkout codeflash/optimize-sorter-mhb8n83b` and push.

[![Codeflash](https://img.shields.io/badge/Optimized%20with-Codeflash-yellow?style=flat&color=%23ffc428&logo=data:image/svg+xml;base64,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)](https://codeflash.ai)

The given code is implementing the bubble sort algorithm, which is not optimal for sorting. We can significantly increase the speed of this function by switching to a more efficient sorting algorithm like Timsort, which is the default sorting algorithm used in Python. Here's the optimized version.

 

This utilizes Python's built-in `sort` method, which is highly efficient with a time complexity of O(n log n).
@codeflash-ai codeflash-ai bot requested a review from aseembits93 October 29, 2025 00:09
@codeflash-ai codeflash-ai bot added ⚡️ codeflash Optimization PR opened by CodeFlash AI 🎯 Quality: High Optimization Quality according to Codeflash labels Oct 29, 2025
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