rsdag
Python bindings for rsdag, an expression graph backend written in Rust. A Python function is traced into a hash-consed graph, differentiated symbolically and evaluated by an interpreter or as native machine code (x86-64 and AArch64).
pip install rsdag
Wheels for Linux (x86-64, aarch64), macOS (arm64 and x86-64) and Windows (x86-64), CPython 3.11 and newer.
Example
import numpy as np
from rsdag import jit, jacobian, matmul, solve
def lorenz(x, t):
s, r, b = 10.0, 28.0, 8.0 / 3.0
return [s * (x[1] - x[0]), x[0] * (r - x[2]) - x[1], x[0] * x[1] - b * x[2]]
f = jit(lorenz, native=True) # traces on first call, then native
y = f(np.array([1.0, 2.0, 3.0]), 0.0)
J = jacobian(lorenz)(np.array([1.0, 2.0, 3.0]), 0.0) # (3, 3), symbolic
Js = jacobian(lorenz, sparse=True) # the nonzeros; Js.pattern(x, t): rows, cols
g = jit(lambda A, x: solve(A, matmul(A, x))) # one Gemv, one Solve
jit, jacobian and grad trace on the first call and reuse the compiled
program afterwards. Data-dependent Python control flow is not traceable;
where(cond, a, b) with gt, lt, ... expresses elementwise conditions.
License
GNU Affero General Public License v3.0. The copyright holder licenses rsdag on other terms as well; for a commercial license contact info@milanrother.com.
1 maintainer
Metadata
1 maintainer
Release files for rsdag 1.1.0
For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.
Source distribution (sdist)
| File | Size | Uploaded | |
|---|---|---|---|
| rsdag-1.1.0.tar.gz | 296.9 kB | Details |
Built distributions (wheels)
| File | Reset | |||
|---|---|---|---|---|
| rsdag-1.1.0-cp311-abi3-win_amd64.whl | CPython 3.11 | abi3 | Windows x86-64 | Details |
| rsdag-1.1.0-cp311-abi3-manylinux_2_17_x86_64.manylinux2014_x86_64.whl | CPython 3.11 | abi3 | Linux glibc 2.17+ x86-64 | Details |
| rsdag-1.1.0-cp311-abi3-manylinux_2_17_aarch64.manylinux2014_aarch64.whl | CPython 3.11 | abi3 | Linux glibc 2.17+ ARM64 | Details |
| rsdag-1.1.0-cp311-abi3-macosx_10_12_x86_64.macosx_11_0_arm64.macosx_10_12_universal2.whl | CPython 3.11 | abi3 | macOS 10.12+ x86-64, macOS 10.12+ universal2 (ARM64, x86-64), macOS 11.0+ ARM64 | Details |
Total release size: 4.0 MB
Release files / rsdag-1.1.0.tar.gz
| Download URL | rsdag-1.1.0.tar.gz |
|---|---|
| Size | 296.9 kB |
| Tags | Source |
|
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| Download URL | rsdag-1.1.0-cp311-abi3-win_amd64.whl |
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| Size | 726.4 kB |
| Tags | CPython 3.11 Windows x86-64 abi3 |
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| Download URL | rsdag-1.1.0-cp311-abi3-manylinux_2_17_x86_64.manylinux2014_x86_64.whl |
|---|---|
| Size | 836.6 kB |
| Tags | CPython 3.11 Linux glibc 2.17+ x86-64 abi3 |
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| Download URL | rsdag-1.1.0-cp311-abi3-manylinux_2_17_aarch64.manylinux2014_aarch64.whl |
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| Size | 697.3 kB |
| Tags | CPython 3.11 Linux glibc 2.17+ ARM64 abi3 |
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| Download URL | rsdag-1.1.0-cp311-abi3-macosx_10_12_x86_64.macosx_11_0_arm64.macosx_10_12_universal2.whl |
|---|---|
| Size | 1.4 MB |
| Tags | CPython 3.11 abi3 macOS 10.12+ universal2 (ARM64, x86-64) macOS 10.12+ x86-64 macOS 11.0+ ARM64 |
|
SHA-256 checksum How to use checksums |
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