"The core promise of uv is speed, achieved through: A Rust-based resolver and installer (no Python bootstrap overhead) Aggressive caching (global wheel cache, hardlinks/CoW where possible) Parallel downloads and builds Smart, version-pinned resolution that avoids unnecessary backtracking Benchmarks consistently show: 8-10× faster than pip/pip-tools without cache 80-115× faster with a warm cache"
"Blazing-fast installs uv is routinely 10-100× faster than pip (and often faster than Poetry or pipenv too). Dependency resolution and wheel installation that used to take seconds or minutes now finish in the blink of an eye. One tool to rule them all uv replaces pip + venv + pip-tools + pipx + virtualenv + pyenv in a single binary. You get dependency resolution, lockfiles, virtual-environment management, isolated global tool installation, Python version management, and even script running - all through the same uv command."
uv implements a Rust-based resolver and installer to eliminate Python bootstrap overhead, combined with aggressive caching (global wheel cache, hardlinks/CoW where possible), parallel downloads and builds, and smart version-pinned resolution that minimizes backtracking. Benchmarks show 8–10× speedups without cache and 80–115× with a warm cache. uv consolidates pip, venv, pip-tools, pipx, virtualenv, and pyenv into a single binary offering lockfiles, virtual-environment management, isolated global tool installation, and script execution. Virtual environments are created and populated automatically and recreated silently in milliseconds. uv also supports Python distribution management and includes project scaffolding, building, and publishing workflows.
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