fcmaes-rust for Python
fcmaes-rust provides Python access to fast, parallel, gradient-free
optimization algorithms implemented in native Rust. The optimizer core is
pure Rust and does not compile, link, or load the historical C++ backend.
Installation
python -m pip install fcmaes-rust
The initial release supports CPython 3.11 through 3.13 on the platforms for which wheels are listed on PyPI.
Quick check
import fcmaes_rust
print(fcmaes_rust.__version__)
print(fcmaes_rust.phase1_build_info())
Optimizers
The package exposes one-shot and ask/tell interfaces for Differential Evolution, active CMA-ES, CR-FM-NES, PGPE and BiteOpt, plus Dual Annealing, MODE, MAP-Elites, the Diversifier, independent retry, coordinated retry and weighted multi-objective retry.
The functions currently return low-level NumPy arrays, tuples or dictionaries.
See the Python binding guide
for signatures, examples, parallelism behavior and result layouts.
Every exported function, stateful method, and property also provides an
installed runtime docstring, for example help(fcmaes_rust.optimize_de) or
help(fcmaes_rust.MODE).
SciPy is a runtime dependency because retry callbacks receive a public
scipy.optimize.Bounds object.
import numpy as np
import fcmaes_rust
def sphere(x):
return float(np.dot(x, x))
dim = 4
empty = np.empty(0, dtype=np.float64)
x, value, evaluations, iterations, stop = fcmaes_rust.optimize_de(
sphere,
dim,
np.full(dim, -5.0),
np.full(dim, 5.0),
empty,
empty,
np.empty(0, dtype=np.bool_),
seed=7,
max_evaluations=4_000,
popsize=20,
)
print(value, evaluations, x)
Python callbacks must reacquire the GIL. Native Rust objectives offer the strongest parallel scaling; cheap pure-Python callbacks are usually callback-bound.
Project links
License
MIT
1 maintainer
Metadata
1 maintainer
Release files for fcmaes-rust 0.1.5
For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.
Source distribution (sdist)
| File | Size | Uploaded | Provenance | |
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| fcmaes_rust-0.1.5.tar.gz | 151.1 kB | Without provenance | Details |
Built distributions (wheels)
Total release size: 9.3 MB
Release files / fcmaes_rust-0.1.5.tar.gz
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Release files / fcmaes_rust-0.1.5-pp311-pypy311_pp73-manylinux_2_17_x86_64.manylinux2014_x86_64.whl
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Release files / fcmaes_rust-0.1.5-cp313-cp313-win_amd64.whl
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