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Fast quantum circuit simulator Qulacs as backend for Cirq

License: MIT License

Python 1.02% Dockerfile 0.04% OpenQASM 98.94%

cirq-qulacs's Introduction

Cirq-Qulacs

Feature

Fast quantum circuit simulation on Cirq with qulacs backend
It also supports CUDA for high performance simulation

Performance

Test enviornment

Depth 8 Quantum Volume circuit generated by openqasm
Nvidia Tesla V100
Intel Xeon E5-2690v4
Circuit compression disabled

Installation

Requirements

Cirq
Qulacs

Install cirq-qulacs from source

Install

git clone https://github.com/qulacs/cirq-qulacs.git
cd cirq-qulacs
python setup.py install

Uninstall

pip uninstall cirqqulacs

Sample code

CPU

import cirq
from cirqqulacs import QulacsSimulator

qubit_n = 3
qubits = [cirq.LineQubit(i) for i in range(qubit_n)]
circuit = cirq.Circuit()
circuit.append(cirq.ops.X(qubits[0]))
circuit.append(cirq.ops.rx(np.pi/5.5).on(qubits[1]))
circuit.append(cirq.ops.CCZ(qubits[0], qubits[1], qubits[2]))
result = QulacsSimulator().simulate(circuit)

GPU

import cirq
from cirqqulacs import QulacsSimulatorGpu

qubit_n = 3
qubits = [cirq.LineQubit(i) for i in range(qubit_n)]
circuit = cirq.Circuit()
circuit.append(cirq.ops.X(qubits[0]))
circuit.append(cirq.ops.rx(np.pi/5.5).on(qubits[1]))
circuit.append(cirq.ops.CCZ(qubits[0], qubits[1], qubits[2]))
result = QulacsSimulatorGpu().simulate(circuit)

License

MIT License (see LICENSE file).

cirq-qulacs's People

Contributors

Stargazers

Watchers

Forkers

yurisan tenninyan corryvrequan shukob r-imai-quantum

cirq-qulacs's Issues

Cannot Simulate any circuits with cirqqulacs

Hello,
I have run a fresh installation of cirq, qulacs, and cirqqulacs on a new anaconda environment. Whenever I try to simulate any circuit, as in the tutorial, I get the error

Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "/home/as3232/.conda/envs/qulacs/lib/python3.7/site-packages/cirq/sim/simulator.py", line 435, in simulate
    program, study.ParamResolver(param_resolver), qubit_order, initial_state
  File "/home/as3232/cirq-qulacs/cirqqulacs/qulacs_simulator.py", line 128, in simulate_sweep
    final_simulator_state=final_state
  File "/home/as3232/.conda/envs/qulacs/lib/python3.7/site-packages/cirq/sim/simulator.py", line 845, in __init__
    if [final_step_result, final_simulator_state].count(None) != 1:
ValueError: The truth value of an array with more than one element is ambiguous. Use a.any() or a.all()

Here are my packages:

Package                  Version
------------------------ -----------
attrs                    20.3.0
bayesian-optimization    1.2.0
cachetools               4.2.4
certifi                  2021.5.30
charset-normalizer       2.0.7
cirq                     0.13.0
cirq-aqt                 0.13.0
cirq-core                0.13.0
cirq-google              0.13.0
cirq-ionq                0.13.0
cirq-pasqal              0.13.0
cirq-rigetti             0.13.0
cirq-web                 0.13.0
cirqqulacs               0.0.3
cma                      3.1.0
cycler                   0.10.0
decorator                5.1.0
duet                     0.2.1
google-api-core          1.31.3
google-auth              1.35.0
googleapis-common-protos 1.53.0
grpcio                   1.41.0
h11                      0.9.0
httpcore                 0.11.1
httpx                    0.15.5
idna                     2.10
importlib-metadata       3.10.1
iso8601                  0.1.16
kiwisolver               1.3.2
lark                     0.11.3
matplotlib               3.4.3
mpmath                   1.2.1
msgpack                  0.6.2
networkx                 2.6.3
nevergrad                0.4.3.post8
numpy                    1.21.2
packaging                21.0
pandas                   1.3.4
Pillow                   8.4.0
pip                      21.0.1
protobuf                 3.17.3
py                       1.10.0
Py-BOBYQA                1.3
pyasn1                   0.4.8
pyasn1-modules           0.2.8
pydantic                 1.8.2
PyJWT                    1.7.1
pyparsing                2.4.7
pyquil                   3.0.0
python-dateutil          2.8.2
python-rapidjson         1.4
pytz                     2021.3
pyzmq                    22.3.0
qcs-api-client           0.8.0
Qulacs                   0.3.0
requests                 2.26.0
retry                    0.9.2
retrying                 1.3.3
rfc3339                  6.2
rfc3986                  1.5.0
rpcq                     3.9.2
rsa                      4.7.2
ruamel.yaml              0.17.16
ruamel.yaml.clib         0.2.6
scipy                    1.7.1
setuptools               58.0.4
six                      1.16.0
sniffio                  1.2.0
sortedcontainers         2.4.0
sympy                    1.9
toml                     0.10.2
tqdm                     4.62.3
typing-extensions        3.10.0.2
urllib3                  1.26.7
wheel                    0.37.0
zipp                     3.6.0

QulacsDensityMatrixSimulator is very slow compared to cirq.DensityMatrixSimulator

Hi,

It seems that simulating density matrix of 6 qubits is 10x slower than cirq.DensityMatrixSimulator (v0.11).
Also qualcs seems to lack GPU density matrix simulator.

I would like to ask if there are any plan to improve those performances?
Thank you.

Pypi version is not consistent to any repos

Hi,

It seems that v0.1 in Pypi is neither not identical to this repository nor this repository.
Please push correct version to Pypi if I am not wrong.

Thanks.