halide-runtime
A tiny, standalone runtime for calling precompiled Halide AOT kernels from Python, with no dependency on libHalide (no compiler, no LLVM).
Requires regular, GIL-enabled CPython 3.12 or newer. The cp312-abi3 wheels use
the stable Python ABI and work unchanged on newer regular CPython versions;
free-threaded Python is not supported.
pip install halide-runtime
uv add halide-runtime
import numpy as np
import halide.runtime as hlr
kernel = hlr.load("mykernel.so") # dlopen a precompiled Halide artifact
out = np.empty_like(inp)
kernel(inp, out) # call it with NumPy arrays
This package contributes only halide.runtime — hlr.load(...), the resulting
Kernel objects, and a lightweight hlr.Buffer wrapper — to the implicit
halide namespace. It is a strict subset of the full
halide package; install this one for small
deployment environments that run precompiled pipelines but do not need the
Halide compiler. Python extensions produced by
add_halide_python_extension_library also expose this package's Kernel type
and therefore require halide-runtime when deployed independently.
See the Halide Python docs: https://github.com/halide/Halide/blob/main/doc/Python.md
1 maintainer
Metadata
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Release files for halide-runtime 22.1.0
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Release files / halide_runtime-22.1.0-cp312-abi3-win_amd64.whl
| Download URL | halide_runtime-22.1.0-cp312-abi3-win_amd64.whl |
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| Size | 346.8 kB |
| Tags | CPython 3.12 Windows x86-64 abi3 |
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| Tags | CPython 3.12 Linux glibc 2.27+ x86-64 Linux glibc 2.28+ x86-64 abi3 |
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| Size | 118.3 kB |
| Tags | CPython 3.12 abi3 macOS 11.0+ x86-64 |
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