python-performance-optimization

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

Updated Jan 26, 2026
One-click install
npx skills add https://github.com/erikhoward/agent-rules --skill python-performance-optimization-erikhoward
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: python-performance-optimization
Source: https://github.com/erikhoward/agent-rules/tree/main/claude/skills/python-performance-optimization
Command: npx skills add https://github.com/erikhoward/agent-rules --skill python-performance-optimization-erikhoward

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Profile and optimize Python code to identify bottlenecks and improve runtime performance.

Core Features & Use Cases

  • Profiling with cProfile, memory_profiler, line_profiler, and py-spy to measure CPU, memory, and function-level performance.
  • Optimization strategies including algorithmic improvements, memory management, caching, parallelism, and NumPy acceleration when appropriate.
  • Use cases include debugging slow Python apps, optimizing hot paths, and speeding up data processing pipelines in production.

Quick Start

Run a profiling workflow on your Python script to identify bottlenecks and implement targeted optimizations.

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 slow Python code?▼

To find bottlenecks in slow Python code, you can profile it using cProfile for CPU usage, line_profiler for function-level metrics, and memory_profiler to detect memory leaks. This identifies hot paths for targeted runtime optimization.

What's the best way to profile memory usage in a Python data processing pipeline?▼

Profiling memory usage in a Python data processing pipeline is best done using memory_profiler to track memory consumption over time. This helps identify memory leaks and optimize memory management within your production pipelines.

Can I optimize CPU-bound Python tasks across large codebases?▼

Yes, you can optimize CPU-bound Python tasks across large codebases by profiling with py-spy and applying algorithmic improvements, caching, and parallelism. These strategies effectively target and speed up slow hot paths.

Does this approach support integrating py-spy workflows for production profiling?▼

Yes, this approach supports integrating py-spy workflows for production profiling. It allows you to sample CPU performance of running Python applications without code modifications, enabling real-time bottleneck identification.

When should I use NumPy acceleration for Python performance optimization?▼

You should use NumPy acceleration for Python performance optimization when handling numerical data processing tasks. It replaces slow Python loops with vectorized operations, significantly speeding up CPU-bound mathematical computations.

Why does my Python app experience memory leaks during execution?▼

Your Python app experiences memory leaks during execution due to unreferenced objects remaining in memory. Profiling with memory_profiler isolates the specific functions causing the memory buildup so you can apply targeted memory management fixes.