| Name | qutip-cuquantum JSON |
| Version |
0.1.1
JSON |
| download |
| home_page | None |
| Summary | cuQuantum backend for QuTiP |
| upload_time | 2025-08-27 16:30:33 |
| maintainer | None |
| docs_url | None |
| author | None |
| requires_python | >=3.11 |
| license | BSD 3-Clause License
Copyright (c) 2025, QuTiP
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
| keywords |
quantum
physics
dynamics
gpu
linear-algebra
|
| VCS |
 |
| bugtrack_url |
|
| requirements |
No requirements were recorded.
|
| Travis-CI |
No Travis.
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|
# qutip-cuquantum
Provide cuQuantum's cuDensityMat as a backend for QuTiP.
This backend is specifically designed for simulating **large, composite quantum systems** by performing tensor network contractions on the GPU.
## Installation
qutip-cuquantum is available on pypi.
```
pip install -U qutip>=5.2.1
pip install qutip-cuquantum
```
It require cuquantum to be installed at runtime.
If you have cuda already installed, you can install dependencies with:
```
pip install qutip-cuquantum[cuda11]
```
or
```
pip install qutip-cuquantum[cuda12]
```
If it does not work, you may need to install cuQuantum yourself,
see [nvidia's documentation](https://docs.nvidia.com/cuda/cuquantum/latest/getting-started/index.html#installing-cuquantum) for installation instruction.
## Usage
In simple case, simply calling `set_as_default` before a qutip script should be sufficient to use the backend common solver:
```
import qutip_cuquantum
from cuquantum.densitymat import WorkStream
qutip_cuquantum.set_as_default(WorkStream())
```
qutip-cuquantum work well to speed-up large simulation using `mesolve` or `sesolve`.
However this backend is not compatible with advanced qutip solvers (brmesolve, HEOM) and other various feature.
Raw data
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