ipie · PyPI

Python implementations of Imaginary-time Evolution algorithms

Project description

ipie stands for Intelligent Python-based Imaginary-time Evolution with a focus on simplicity and speed.

ipie inherits a lot of QMC features from pauxy.

https://github.com/linusjoonho/ipie/workflows/CI/badge.svg

http://readthedocs.org/projects/ipie/badge/?version=latest

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Features

ipie currently supports:

estimation of the ground state energy of ab-initio systems using phaseless AFQMC with support for CPUs and GPUs.
simple data analysis.
other legacy functionalities available in pauxy such as the ground state and finite-temperature energies and properties (via backpropagation) of the ab initio, UEG, Hubbard, and Hubbard-Holstein models.

Installation

Clone the repository

$ git clone https://github.com/linusjoonho/ipie.git

and run the following in the top-level ipie directory

$ pip install -r requirements.txt
$ python setup.py build_ext --inplace
$ python setup.py install

You may also need to set your PYTHONPATH appropriately.

Requirements

python (>= 3.6)
numpy
scipy
h5py
mpi4py
cython
pandas

Minimum versions are listed in the requirements.txt. To run the tests you will need pytest. To perform error analysis you will also need pyblock.

Running the Test Suite

ipie contains unit tests and some longer driver tests that can be run using pytest by running:

$ pytest -v

in the base of the repo. Some longer parallel tests are also run through the CI. See .github/workflows/ci2.yml for more details.

Documentation

Documentation and tutorials are available at readthedocs.

Project details

Release history Release notifications | RSS feed

0.7.1

Jun 13, 2024

0.7.0

Dec 12, 2023

0.6.2

Jan 7, 2023

0.6.1

Dec 23, 2022

This version

0.6

Sep 2, 2022

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