cirq.qsim

The cirq.qsim device in the PennyLane-Cirq plugin provides access to Cirq’s performant qsim backend.

Recommended for:

• Integration with Cirq.
• Workloads with more than 15 qubits.
• Initializing qubits in PennyLane with Cirq features like LineQubit and GridQubit.
• All operating systems.

Documentation

To learn more, please visit the device documentation:

• cirq.qsim documentation

See all PennyLane-Cirq devices:

• cirq.mixedsimulator
• cirq.pasqal
• cirq.qsim
• cirq.simulator

Installation

The cirq.qsim device can be installed with:

pip install pennylane-cirq

For more details on installation and dependencies, visit the PennyLane-Cirq installation page.

Device Initialization

Initialize the device in PennyLane with:

import pennylane as qml
dev = qml.device('cirq.qsim', wires=2) 
dev = qml.device("cirq.qsimh", wires=4, qsimh_options=qsimh_options, qubits=qubits) 

For more details on device settings and keyword arguments, see the device documentation.