Source code for braket.simulator_v2.state_vector_simulator_v2
import sys
from braket.device_schema.simulators import (
GateModelSimulatorDeviceCapabilities,
GateModelSimulatorDeviceParameters,
)
from braket.simulator_v2.base_simulator_v2 import BaseLocalSimulatorV2
[docs]
class StateVectorSimulatorV2(BaseLocalSimulatorV2):
"""A state vector simulator meant to run directly on the user's machine using a Julia backend.
This class wraps a BraketSimulator object so that it can be run and returns
results using constructs from the SDK rather than Braket IR.
"""
DEVICE_ID = "braket_sv_v2"
def __init__(self) -> None:
super().__init__(self.DEVICE_ID)
@property
def properties(self) -> GateModelSimulatorDeviceCapabilities:
"""
Device properties for the StateVectorSimulator.
Returns:
GateModelSimulatorDeviceCapabilities: Device capabilities for this simulator.
"""
observables = ["x", "y", "z", "h", "i", "hermitian"]
max_shots = sys.maxsize
qubit_count = 32
return GateModelSimulatorDeviceCapabilities.parse_obj({
"service": {
"executionWindows": [
{
"executionDay": "Everyday",
"windowStartHour": "00:00",
"windowEndHour": "23:59:59",
}
],
"shotsRange": [0, max_shots],
},
"action": {
"braket.ir.openqasm.program": {
"actionType": "braket.ir.openqasm.program",
"version": ["1"],
"supportedOperations": [
# OpenQASM primitives
"U",
"GPhase",
# builtin Braket gates
"ccnot",
"cnot",
"cphaseshift",
"cphaseshift00",
"cphaseshift01",
"cphaseshift10",
"cswap",
"cv",
"cy",
"cz",
"ecr",
"gpi",
"gpi2",
"h",
"i",
"iswap",
"ms",
"pswap",
"phaseshift",
"rx",
"ry",
"rz",
"s",
"si",
"swap",
"t",
"ti",
"unitary",
"v",
"vi",
"x",
"xx",
"xy",
"y",
"yy",
"z",
"zz",
],
"supportedModifiers": [
{
"name": "ctrl",
},
{
"name": "negctrl",
},
{
"name": "pow",
"exponent_types": ["int", "float"],
},
{
"name": "inv",
},
],
"supportedPragmas": [
"braket_unitary_matrix",
"braket_result_type_state_vector",
"braket_result_type_density_matrix",
"braket_result_type_sample",
"braket_result_type_expectation",
"braket_result_type_variance",
"braket_result_type_probability",
"braket_result_type_amplitude",
],
"forbiddenPragmas": [
"braket_noise_amplitude_damping",
"braket_noise_bit_flip",
"braket_noise_depolarizing",
"braket_noise_kraus",
"braket_noise_pauli_channel",
"braket_noise_generalized_amplitude_damping",
"braket_noise_phase_flip",
"braket_noise_phase_damping",
"braket_noise_two_qubit_dephasing",
"braket_noise_two_qubit_depolarizing",
"braket_result_type_adjoint_gradient",
],
"supportedResultTypes": [
{
"name": "Sample",
"observables": observables,
"minShots": 1,
"maxShots": max_shots,
},
{
"name": "Expectation",
"observables": observables,
"minShots": 0,
"maxShots": max_shots,
},
{
"name": "Variance",
"observables": observables,
"minShots": 0,
"maxShots": max_shots,
},
{
"name": "Probability",
"minShots": 0,
"maxShots": max_shots,
},
{
"name": "StateVector",
"minShots": 0,
"maxShots": 0,
},
{
"name": "DensityMatrix",
"minShots": 0,
"maxShots": 0,
},
{
"name": "Amplitude",
"minShots": 0,
"maxShots": 0,
},
],
"supportPhysicalQubits": False,
"supportsPartialVerbatimBox": False,
"requiresContiguousQubitIndices": True,
"requiresAllQubitsMeasurement": True,
"supportsUnassignedMeasurements": True,
"disabledQubitRewiringSupported": False,
},
},
"paradigm": {"qubitCount": qubit_count},
"deviceParameters": GateModelSimulatorDeviceParameters.schema(),
})