PRISM-Q (Python)

Python bindings for PRISM-Q, a performance-first quantum circuit simulator written in Rust.

Install

pip install prism-q

Quick start

import prism_q

# Build a Bell state and run it.
circuit = prism_q.CircuitBuilder(2).h(0).cx(0, 1).build()
outcome = prism_q.simulate(circuit).seed(42).run()
print(outcome.probabilities)        # array([0.5, 0., 0., 0.5])

# Parse OpenQASM and sample shots.
qasm = """
OPENQASM 3.0;
qubit[2] q;
bit[2] c;
h q[0];
cx q[0], q[1];
c = measure q;
"""
result = prism_q.simulate(prism_q.parse_qasm(qasm)).seed(7).shots(1000)
print(result.counts())              # {'00': ~500, '11': ~500}

# Exact statevector as a NumPy array.
sv = prism_q.simulate(prism_q.circuits.ghz(3)).seed(1).state_vector()
print(sv.dtype, sv.shape)           # complex128 (8,)

Bit ordering

Count keys and measurement bit indices are LSB-first: in a bitstring key, the leftmost character is classical bit 0, and q[0] is the least-significant qubit. This is reversed relative to Qiskit. For example, the state where only q[0] is set reads as "10...", not "...01".

Features

  • Fluent CircuitBuilder and OpenQASM 3.0 parsing.
  • Reusable circuit generators (prism_q.circuits): QFT, GHZ, QAOA, hardware-efficient ansatz, quantum volume, and more.
  • Backend selection via BackendKind (statevector, stabilizer, sparse, MPS, Pauli propagation, ...).
  • Noise models (NoiseModel, NoiseChannel) for shot sampling.
  • Native QEC programs (QecProgram) with detector and observable sampling.
  • NumPy output for probabilities, statevectors, and QEC bit matrices.

License

MIT OR Apache-2.0

Project links

Data verified by PyPI on Aug 10, 2026
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Key dates

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  • Released:
Newer release available (0.31.0)

1 maintainer

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Avatar for abe.coull from gravatar.com abe.coull

GitHub Statistics

Data verified by PyPI on Aug 10, 2026
The GitHub source repository was provided by the project maintainers and verified by PyPI at the time of upload. Stars, forks, and open issues/PRs are derived from that repository and have not been independently verified.

License

Apache Software License, MIT License (MIT OR Apache-2.0)

Requires

Python >=3.11

Tags

quantum quantum-computing quantum-simulator simulator openqasm stabilizer qec statevector simd gpu

Classifiers

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