python-performance-optimization

Profile CPU and memory usage to optimize Python code performance.

Updated Feb 18, 2026
One-click install
npx skills add https://github.com/ollieb89/viflo --skill python-performance-optimization-ollieb89
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: python-performance-optimization
Source: https://github.com/ollieb89/viflo/tree/main/.windsurf/skills/python-performance-optimization
Command: npx skills add https://github.com/ollieb89/viflo --skill python-performance-optimization-ollieb89

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires pypdf, pdfplumber, pdf2image, and includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill addresses slow-running Python code by providing tools and techniques to identify performance bottlenecks and optimize execution speed and memory usage.

Core Features & Use Cases

  • Profiling: Pinpoint slow functions and lines of code using cProfile, line_profiler, and py-spy.
  • Memory Analysis: Detect and reduce memory consumption and leaks with memory_profiler and tracemalloc.
  • Optimization Techniques: Apply strategies like list comprehensions, generators, NumPy, caching, and multiprocessing.
  • Use Case: You have a Python script that takes too long to process a large dataset. Use this Skill to profile the script, identify the slowest parts, and apply optimizations to significantly reduce its runtime.

Quick Start

Profile the execution time of the main function in your python script using cProfile.

Frequently Asked Questions about python-performance-optimization

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

FAQPage Schema
How do I identify bottlenecks in slow Python code?

Identify bottlenecks in slow Python code by profiling CPU usage with tools like cProfile, line_profiler, and py-spy to pinpoint exact functions and lines causing execution delays.

What's the best way to reduce memory footprint in a Python script processing large datasets?

Reduce memory footprint in Python scripts by analyzing consumption with memory_profiler and tracemalloc, then applying generators, list comprehensions, and efficient data structures to minimize leaks.

How does NumPy vectorization improve Python execution speed?

NumPy vectorization improves Python execution speed by replacing slow loops with optimized array operations, significantly cutting latency when processing large numerical datasets.

When should I use functools.lru_cache for Python optimization?

Use functools.lru_cache for Python optimization when functions have repeated identical calls, caching return values to remove redundant computation and reduce overall execution time.

Can I use multiprocessing to optimize my Python script's performance?

Yes, you can use multiprocessing to optimize Python performance by distributing tasks across multiple cores, effectively reducing latency for CPU-bound workloads.

Why does my Python script still run slowly after using list comprehensions?

A Python script may still run slowly if deeper bottlenecks remain; use cProfile to profile CPU usage and identify hidden latency in algorithmic logic rather than simple syntax structures.