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nanobind is a small binding library that exposes C++ types in Python and vice versa. It is reminiscent of Boost.Python and pybind11 and uses near-identical syntax. In contrast to these existing tools, nanobind is more efficient: bindings compile in a shorter amount of time, produce smaller binaries, and have better runtime performance.
More concretely, benchmarks <benchmarks> show ~2-3× faster compile time, ~3× smaller binaries, and up to ~8× lower runtime overheads compared to pybind11.
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Dependencies
nanobinds depends on
- Python 3.8+ or PyPy 7.3.10+ (the 3.8 and 3.9 PyPy flavors are supported, though there are
some limitations <pypy_issues>). - CMake 3.15+.
- A C++17 compiler: Clang 7+, GCC 8+, and MSVC2019+ are officially supported. Others (MinGW, Intel, NVIDIA, ..) may work as well but will not receive support.
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How to cite this project?
Please use the following BibTeX template to cite nanobind in scientific discourse:
@misc{nanobind,
author = {Wenzel Jakob},
year = {2022},
note = {https://github.com/wjakob/nanobind},
title = {nanobind---Seamless operability between C++17 and Python}
}The nanobind logo was designed by AndoTwin Studio. High-resolution version are available here (light) and here (dark).
changelog why benchmark porting faq
installing building basics
exchanging ownership functions classes exceptions ndarray_index packaging
ownership_adv lowlevel typeslots
api_core api_extra api_cmake