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| author | Yuri Victorovich <yuri@FreeBSD.org> | 2022-08-14 05:41:24 +0000 |
|---|---|---|
| committer | Yuri Victorovich <yuri@FreeBSD.org> | 2022-08-14 05:41:24 +0000 |
| commit | 06ac78be58f2c94320969226e8187fa32bdf9815 (patch) | |
| tree | 62679dddd394accabc63b3f39e6c451f8c95b82a /science/py-dwave-neal | |
| parent | dc6e8a18cea93c560c27d73438aa542fd0c69be1 (diff) | |
| download | ports-06ac78be58f2c94320969226e8187fa32bdf9815.tar.gz ports-06ac78be58f2c94320969226e8187fa32bdf9815.zip | |
Diffstat (limited to 'science/py-dwave-neal')
| -rw-r--r-- | science/py-dwave-neal/Makefile | 28 | ||||
| -rw-r--r-- | science/py-dwave-neal/distinfo | 3 | ||||
| -rw-r--r-- | science/py-dwave-neal/files/example.py | 9 | ||||
| -rw-r--r-- | science/py-dwave-neal/pkg-descr | 12 |
4 files changed, 52 insertions, 0 deletions
diff --git a/science/py-dwave-neal/Makefile b/science/py-dwave-neal/Makefile new file mode 100644 index 000000000000..5bb7dad7ae25 --- /dev/null +++ b/science/py-dwave-neal/Makefile @@ -0,0 +1,28 @@ +PORTNAME= dwave-neal +DISTVERSION= 0.6.0.dev0 +CATEGORIES= science graphics # quantum-computing +MASTER_SITES= CHEESESHOP +PKGNAMEPREFIX= ${PYTHON_PKGNAMEPREFIX} + +MAINTAINER= yuri@FreeBSD.org +COMMENT= DWave: Simulated annealing sampler for general Ising model graphs + +LICENSE= APACHE20 +LICENSE_FILE= ${WRKSRC}/LICENSE + +PY_DEPENDS= ${PYTHON_PKGNAMEPREFIX}dimod>0:science/py-dimod@${PY_FLAVOR} \ + ${PYNUMPY} +BUILD_DEPENDS= ${PY_DEPENDS} +RUN_DEPENDS= ${PY_DEPENDS} + +USES= python:3.7+ +USE_PYTHON= distutils autoplist unittest + +TEST_ENV= ${MAKE_ENV} PYTHONPATH=${STAGEDIR}${PYTHONPREFIX_SITELIBDIR} + +NO_ARCH= yes + +do-test: + @${SETENV} ${TEST_ENV} ${PYTHON_CMD} ${FILESDIR}/example.py + +.include <bsd.port.mk> diff --git a/science/py-dwave-neal/distinfo b/science/py-dwave-neal/distinfo new file mode 100644 index 000000000000..3affefba0cad --- /dev/null +++ b/science/py-dwave-neal/distinfo @@ -0,0 +1,3 @@ +TIMESTAMP = 1660454526 +SHA256 (dwave-neal-0.6.0.dev0.tar.gz) = 209e872c325cbdd79f05364624ff562abdf7e3cd0c52ac8b7657fa4ae165b742 +SIZE (dwave-neal-0.6.0.dev0.tar.gz) = 6500 diff --git a/science/py-dwave-neal/files/example.py b/science/py-dwave-neal/files/example.py new file mode 100644 index 000000000000..be734d9f7229 --- /dev/null +++ b/science/py-dwave-neal/files/example.py @@ -0,0 +1,9 @@ +import neal + +sampler = neal.SimulatedAnnealingSampler() + +h = {0: -1, 1: -1} +J = {(0, 1): -1} +sampleset = sampler.sample_ising(h, J) + +print(sampleset) diff --git a/science/py-dwave-neal/pkg-descr b/science/py-dwave-neal/pkg-descr new file mode 100644 index 000000000000..4232cdcfec2a --- /dev/null +++ b/science/py-dwave-neal/pkg-descr @@ -0,0 +1,12 @@ +An implementation of a simulated annealing sampler. + +A simulated annealing sampler can be used for approximate Boltzmann sampling or +heuristic optimization. This implementation approaches the equilibrium +distribution by performing updates at a sequence of increasing beta values, +beta_schedule, terminating at the target beta. Each spin is updated once in a +fixed order per point in the beta_schedule according to a Metropolis- Hastings +update. When beta is large the target distribution concentrates, at equilibrium, +over ground states of the model. Samples are guaranteed to match the equilibrium +for long 'smooth' beta schedules. + +WWW: https://github.com/dwavesystems/dwave-neal |