bqskitrs 0.2.2

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Native code for BQSKit

bqskitrs is a Python package that implements circuit instantiation and simulation to accelerate BQSKit.

Installing bqskitrs

You can often install bqskitrs via PyPi with pip:

pip install bqskitrs

this will use pre-built wheels. Sometimes wheels are not available, so you must build from source.

Building bqskitrs

Linux

First make sure the version of pip you have is at least 20.0.2. You can check via pip -V and upgrade via python3 -m pip install -U pip.

Next, install the dependencies. On Ubuntu 20.04 this is:

sudo apt install libopenblas-dev libceres-dev libgfortran-9-dev libeigen3-dev gfortran cmake build-essential

Next you will want to install Rust:

curl https://sh.rustup.rs -sSf | sh -s -- -y
rustup set profile minimal
rustup toolchain add nightly-2021-11-02

Then clone and enter enter the bqskitrs directory:

git clone https://github.com/BQSKit/bqskitrs.git
cd bqskitrs

Then install the bqskitrs package:

pip install .

This will take a while. Once it is done, verify that the installation succeeded by running

python3 -c 'import bqskitrs'

It should not print anything out nor give any error.

MacOS

Make sure the version of pip you have is at least 20.0.2. You can check via pip -V and upgrade via python3 -m pip install -U pip.

First, install the dependencies. We use homebrew here, which is what we build the official package against.

brew install gcc eigen lapack

Once that is complete you should then install Rust like as follows:

curl https://sh.rustup.rs -sSf | sh -s -- -y
rustup set profile minimal
rustup toolchain add nightly-2021-11-02

Then clone and enter enter the bqskitrs directory:

git clone https://github.com/BQSKit/bqskitrs.git
cd bqskitrs

Then build the wheel (package file) with maturin:

pip install maturin
maturin build --cargo-extra-args="--no-default-features --features python,accelerate,ceres/static,mimalloc/local_dynamic_tls" --release --no-sdist

Finally install the wheel that you built:

pip install --no-index --find-links=target/wheels bqskitrs

Once it is done installing the wheel, verify that the installation succeeded by running

python3 -c 'import bqskitrs'

It should not print anything out nor give any error.

Windows

Make sure the version of pip you have is at least 20.0.2. You can check via pip -V and upgrade via python3 -m pip install -U pip.

Download and install rust via the installer found at https://rustup.rs/. Accept all of the defaults.

Close your shell and open a new one (this updates the enviroment). Then run

rustup toolchain add nightly-2021-11-02

Then install cargo-vcpkg, which will help install dependencies for us. You can install it via

cargo install cargo-vcpkg

cargo is installed with Rust so this should "just work".

Then clone and enter enter the bqskitrs directory:

git clone https://github.com/BQSKit/bqskitrs.git
cd bqskitrs

Then build the dependencies with vcpkg.

cargo vcpkg build

This will take quite a while.

Then build the wheel (package file) with maturin:

pip install maturin
maturin build --cargo-extra-args="--no-default-features --features python,static,openblas-src/system,mimalloc/local_dynamic_tls" --release --no-sdist

Finally install the wheel that you built:

pip install --no-index --find-links=target/wheels bqskitrs

Once it is done installing the wheel, verify that the installation succeeded by running

python3 -c 'import bqskitrs'

It should not print anything out nor give any error.

Benchmarking

This crate also supports benchmarking changes. Once you have dependencies installed, you should install cargo-criterion to run benchmarks:

cargo install cargo-criterion

Then you can run a command like the following to benchmark the instantiators:

cargo criterion --no-default-features --features openblas-src,blas-src/openblas,openblas-src/system,openblas-src/cblas,openblas-src/lapacke,squaremat/openblas-system,mimalloc