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.