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---
name: "Parallelize large pytest suites and isolate slow feedback loops with pytest-xdist"
slug: "parallelize-large-pytest-suites-and-isolate-slow-feedback-loops-with-pytest-xdist"
description: "Fan out Python test execution across workers so slow suites finish faster and bottlenecks show up before they dominate CI time."
github_stars: 1832
verification: "security_reviewed"
source: "https://github.com/pytest-dev/pytest-xdist"
author: "pytest-dev"
publisher_type: "organization"
category: "CI/CD Integrations"
framework: "Multi-Framework"
tool_ecosystem:
github_repo: "pytest-dev/pytest-xdist"
github_stars: 1832
---
# Parallelize large pytest suites and isolate slow feedback loops with pytest-xdist
Fan out Python test execution across workers so slow suites finish faster and bottlenecks show up before they dominate CI time.
## Prerequisites
Python environment, pytest, pytest-xdist, and a pytest-compatible test suite with enough local or CI worker capacity to parallelize
## Installation
Requirements and caveats from upstream:
- :target: https://pypi.python.org/pypi/pytest-xdist
- :alt: Python versions
- Source: https://github.com/pytest-dev/pytest-xdist
- Extracted from upstream docs: https://raw.githubusercontent.com/pytest-dev/pytest-xdist/HEAD/README.rst
## Documentation
- https://pytest-xdist.readthedocs.io/
## Source
- [Agent Skill Exchange](https://agentskillexchange.com/skills/parallelize-large-pytest-suites-and-isolate-slow-feedback-loops-with-pytest-xdist/)
