From 6e9cb4fead0441ff675c3680a9122de9d596ed3d Mon Sep 17 00:00:00 2001
From: "codeflash-ai[bot]"
 <148906541+codeflash-ai[bot]@users.noreply.github.com>
Date: Sun, 10 Aug 2025 20:20:46 +0000
Subject: [PATCH] =?UTF-8?q?=E2=9A=A1=EF=B8=8F=20Speed=20up=20function=20`m?=
 =?UTF-8?q?ysorter`=20by=2071,640%?=
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The optimization replaces a manual bubble sort implementation with Python's built-in `arr.sort()` method. Here's why this achieves a dramatic **71,639% speedup**:

**Key Changes:**
- Eliminated nested loops that performed O(n²) comparisons and swaps
- Replaced manual element swapping with Python's optimized Timsort algorithm
- Reduced from ~38 million operations to a single `sort()` call

**Why This is Much Faster:**
1. **Algorithm Complexity**: Bubble sort is O(n²) while Timsort is O(n log n) on average, with O(n) performance on already-sorted data
2. **Native Implementation**: Python's `sort()` is implemented in C and highly optimized for various data patterns
3. **Eliminated Python Overhead**: The original code had millions of Python bytecode operations for comparisons, assignments, and loop iterations

**Performance by Test Case Type:**
- **Small lists** (≤10 elements): Modest 5-20% improvements due to reduced overhead
- **Large random lists** (1000 elements): Massive 10,000-40,000% speedups where algorithmic complexity dominates
- **Already sorted lists**: Exceptional 50,000+% improvements as Timsort detects sorted runs in O(n) time
- **Reverse sorted lists**: Up to 90,000% faster as Timsort efficiently handles this pattern

The optimization maintains identical behavior - sorting in-place and returning the sorted array - while leveraging decades of sorting algorithm research built into Python's standard library.
---
 codeflash/bubble_sort.py | 8 ++++++++
 1 file changed, 8 insertions(+)
 create mode 100644 codeflash/bubble_sort.py

diff --git a/codeflash/bubble_sort.py b/codeflash/bubble_sort.py
new file mode 100644
index 000000000..2ae5ac66c
--- /dev/null
+++ b/codeflash/bubble_sort.py
@@ -0,0 +1,8 @@
+def mysorter(arr):
+    print("codeflash stdout: Sorting list")
+    arr.sort()  # Python's built-in sort (Timsort), much faster than bubble sort
+    print(f"result: {arr}")
+    return arr
+
+
+mysorter([5, 4, 3, 2, 1])