python-performance-optimization

Profile Python code with cProfile, memory_profiler, and line_profiler to identify bottlenecks.

2|2|Updated Jan 21, 2026
One-click install
npx skills add https://github.com/NorkzYT/claude-code-autopilot --skill python-performance-optimization-norkzyt
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: python-performance-optimization
Source: https://github.com/NorkzYT/claude-code-autopilot/tree/main/.claude/skills/python-performance-optimization
Command: npx skills add https://github.com/NorkzYT/claude-code-autopilot --skill python-performance-optimization-norkzyt

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Profiling and optimizing Python code to identify bottlenecks, improve speed, and reduce memory usage across applications.

Core Features & Use Cases

  • CPU profiling and bottleneck identification using cProfile and pstats
  • Memory profiling and leak detection with memory_profiler
  • Line-by-line profiling with line_profiler
  • Practical optimization patterns (generators, caching, vectorization)
  • Real-world scenarios: speeding up a long-running data processing task or a web service

Quick Start

Install the profiling tools: memory_profiler and line_profiler (cProfile is built-in). Start by profiling a script with python -m cProfile -o profile.prof your_script.py and viewing results with python -m pstats profile.prof. For line-by-line profiling, install line_profiler and run kernprof -l your_script.py; for memory usage profiling, run python -m memory_profiler your_script.py. For production profiling, consider py-spy to monitor a running process.

Frequently Asked Questions about python-performance-optimization

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I find bottlenecks in a slow Python script?

Profile Python code using cProfile to identify CPU bottlenecks. Run your script with python -m cProfile -o profile.prof your_script.py and analyze the output with pstats to pinpoint slow functions.

What's the best way to detect memory leaks in Python data pipelines?

Detect memory leaks by profiling Python code with memory_profiler. Execute python -m memory_profiler your_script.py to track memory usage line-by-line and identify where leaks occur in your data pipelines.

How does line_profiler work for line-by-line Python analysis?

Line_profiler analyzes Python code execution time line-by-line. Install the tool, run kernprof -l your_script.py to collect metrics, and view detailed results to see exactly which lines consume the most CPU time.

Can I profile a Python web service that is already running in production?

Profile running Python web services using py-spy. Monitor an active process without requiring code modifications or restarting the service to capture CPU usage and identify production bottlenecks.

What optimization patterns help accelerate Python code after profiling?

Apply practical Python optimization patterns like generators, caching, and vectorization. Implement these improvements after profiling to reduce memory overhead and significantly accelerate code execution.