phonors
Rust kernels for phonopy and phono3py
Decision gist · record as of 2026-08-14
Yes, if you use phono3py or phonopy for phonon calculations. The package is actively maintained, has no external runtime dependencies, installs cleanly on modern Python (3.10+), carries a permissive license, and offers performance gains in computationally heavy workflows. Install via `pip install phonors` or enable it in phono3py with the `[rust]` extra.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires Python 3.10 or later; wheels are pre-built for common architectures but may require compilation on unsupported platforms.
- Medium install friction due to compiled wheels; however, wheels are available for modern Python (3.10+) across common platforms (x86_64, aarch64, macOS, Windows), and the package is actively maintained with a recent release.
License · maintenance · safety
BSD-3-Clause (permissive) — BSD-3-Clause is permissive and places minimal restrictions on use, modification, or distribution in both open and proprietary contexts.
last release 2026-06-27 (48 days) · last repo commit 2026-06-27 · 10 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 101,512 downloads/mo, #12,927 on PyPI
Alternatives
Verify before relying
pip install phonors
import phonors
# Use via phono3py[rust] extra or directly in phonopy workflows- Exact performance improvement over C kernels in typical workflows
- API stability and backward compatibility guarantees across minor versions
- Whether phonopy integration is complete or still in progress
What it is and what it does
Phonors is a Rust extension module that provides optimized numerical kernels for phonopy and phono3py, two widely used tools for computing phonon properties in crystalline materials. It replaces the original C implementations with Rust code, aiming to improve performance in the heavy numerical computations that dominate these workflows. The package is distributed as pre-built wheels for Python 3.10 and later across major platforms (x86_64, aarch64, macOS, Windows), making installation straightforward for most users.
The module is designed to be used transparently: phono3py can pull it in via the `phono3py[rust]` extra, and phonopy will eventually use it as its C kernels are ported. Since it has no runtime dependencies beyond Python itself, it integrates cleanly into existing phonopy/phono3py installations. The package is in active development (Beta status) with recent releases and a maintained repository.
Use it for
- Accelerate phonon band structure and density-of-state calculations in phono3py workflows
- Speed up thermal property computations in phonopy by replacing C kernels with Rust implementations
- Reduce wall-clock time in high-throughput phonon screening studies across many materials
- Enable faster iterative phonon calculations during materials design and optimization
- Improve performance on multi-core systems where Rust's parallelism can be leveraged
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you use phono3py or phonopy for phonon calculations.
The package is actively maintained, has no external runtime dependencies, installs cleanly on modern Python (3.10+), carries a permissive license, and offers performance gains in computationally heavy workflows. Install via `pip install phonors` or enable it in phono3py with the `[rust]` extra.
Install
phonors on PyPI
Before you install
Medium install friction due to compiled wheels; however, wheels are available for modern Python (3.10+) across common platforms (x86_64, aarch64, macOS, Windows), and the package is actively maintained with a recent release.
Requires Python 3.10 or later; wheels are pre-built for common architectures but may require compilation on unsupported platforms.
License in practice
BSD-3-Clause is permissive and places minimal restrictions on use, modification, or distribution in both open and proprietary contexts.
Quickstart
pip install phonors
import phonors
# Use via phono3py[rust] extra or directly in phonopy workflowsVerify before relying
- Exact performance improvement over C kernels in typical workflows
- API stability and backward compatibility guarantees across minor versions
- Whether phonopy integration is complete or still in progress
Package facts
| License | BSD-3-Clause permissive |
| Python support | Supports the current Python release >=3.10 |
| Install friction | Medium. Platform-specific wheel |
| Runtime dependencies | None |
| Maintenance | Actively maintained 48 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 101,512 / month, #12,927 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Development Status :: 4 - BetaIntended Audience :: Science/ResearchOperating System :: OS IndependentProgramming Language :: Python :: 3Programming Language :: Python :: 3 :: OnlyProgramming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.13Programming Language :: Python :: 3.14Programming Language :: RustTopic :: Scientific/Engineering :: Physics |
Evidence: phonors-0.3.0-cp310-abi3-macosx_10_12_x86_64.whl; phonors-0.3.0-cp310-abi3-macosx_11_0_arm64.whl; phonors-0.3.0-cp310-abi3-manylinux_2_17_aarch64.manylinux2014_aarch64.whl; phonors-0.3.0-cp310-abi3-manylinux_2_17_x86_64.manylinux2014_x86_64.whl; phonors-0.3.0-cp310-abi3-win_amd64.whl; phonors-0.3.0-cp310-abi3-win_arm64.whl
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See also phonopy · ormar-utils · moviepilot-rust · delta-kernel-rust-sharing-wrapper · cpm-kernels · gram-newton-schulz · graspologic-native · py-rust-stemmers · bermuda · py-sr25519-bindings