python-performance

Profile Python code with cProfile to identify CPU and memory bottlenecks.

2|Updated Mar 15, 2025
One-click install
npx skills add https://github.com/dandudzi/dotfiles --skill python-performance-dandudzi
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: python-performance
Source: https://github.com/dandudzi/dotfiles/tree/main/dot_claude/skills/python-performance
Command: npx skills add https://github.com/dandudzi/dotfiles --skill python-performance-dandudzi

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill addresses performance bottlenecks in Python applications, enabling faster execution and reduced memory consumption.

Core Features & Use Cases

  • Profiling: Identify CPU and memory hotspots using tools like cProfile, memory_profiler, and scalene.
  • Optimization Techniques: Apply strategies such as vectorization with NumPy/pandas, efficient data structure selection, caching, and concurrency patterns (asyncio, multiprocessing).
  • Use Case: Debug a slow data processing pipeline by profiling it to find the N+1 query issue or inefficient list comprehensions, then refactor using eager loading or generators.

Quick Start

Profile the execution of the my_script.py file using cProfile to identify performance bottlenecks.

Frequently Asked Questions about python-performance

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

FAQPage Schema
How do I identify CPU and memory bottlenecks in a Python application?

Python performance bottlenecks are identified by profiling code with tools like cProfile, memory_profiler, and scalene to detect CPU and memory hotspots, enabling targeted optimizations for faster execution.

What is the best way to fix slow data processing pipelines in Python?

Slow Python data pipelines are fixed by profiling to locate N+1 queries or inefficient list comprehensions, then refactoring using eager loading, generators, or vectorization with NumPy and pandas.

How do I optimize Python loops for better performance?

Python loops are optimized by replacing them with vectorization using NumPy and pandas, or by selecting more efficient data structures to reduce iteration overhead and memory consumption.

When should I use asyncio vs multiprocessing for Python concurrency?

Python concurrency strategies use asyncio for I/O-bound tasks and multiprocessing for CPU-bound workloads, ensuring efficient resource allocation across high-performance systems.

Can I integrate C extensions to speed up my Python code?

Python code is sped up by integrating C extensions for high-performance systems, which directly resolves severe CPU bottlenecks that native Python cannot efficiently handle.