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scheduling_passes.py
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scheduling_passes.py
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# This code is part of Qiskit.
#
# (C) Copyright IBM 2023
#
# This code is licensed under the Apache License, Version 2.0. You may
# obtain a copy of this license in the LICENSE.txt file in the root directory
# of this source tree or at http://www.apache.org/licenses/LICENSE-2.0.
#
# Any modifications or derivative works of this code must retain this
# copyright notice, and modified files need to carry a notice indicating
# that they have been altered from the originals.
# pylint: disable=invalid-name,missing-docstring
# pylint: disable=attribute-defined-outside-init
from qiskit import transpile
from qiskit.circuit.library.standard_gates import XGate
from qiskit.transpiler import CouplingMap, PassManager
from qiskit.transpiler import InstructionDurations
from qiskit.transpiler.passes import (
TimeUnitConversion,
ASAPScheduleAnalysis,
ALAPScheduleAnalysis,
PadDynamicalDecoupling,
)
from qiskit.converters import circuit_to_dag
from .utils import random_circuit
class SchedulingPassBenchmarks:
params = ([5, 10, 20], [500, 1000])
param_names = ["n_qubits", "depth"]
timeout = 300
def setup(self, n_qubits, depth):
seed = 42
self.circuit = random_circuit(
n_qubits, depth, measure=True, conditional=False, reset=False, seed=seed, max_operands=2
)
self.basis_gates = ["rz", "sx", "x", "cx", "id", "reset"]
self.cmap = [
[0, 1],
[1, 0],
[1, 2],
[1, 6],
[2, 1],
[2, 3],
[3, 2],
[3, 4],
[3, 8],
[4, 3],
[5, 6],
[5, 10],
[6, 1],
[6, 5],
[6, 7],
[7, 6],
[7, 8],
[7, 12],
[8, 3],
[8, 7],
[8, 9],
[9, 8],
[9, 14],
[10, 5],
[10, 11],
[11, 10],
[11, 12],
[11, 16],
[12, 7],
[12, 11],
[12, 13],
[13, 12],
[13, 14],
[13, 18],
[14, 9],
[14, 13],
[15, 16],
[16, 11],
[16, 15],
[16, 17],
[17, 16],
[17, 18],
[18, 13],
[18, 17],
[18, 19],
[19, 18],
]
self.coupling_map = CouplingMap(self.cmap)
self.transpiled_circuit = transpile(
self.circuit,
basis_gates=self.basis_gates,
coupling_map=self.coupling_map,
optimization_level=1,
)
self.dag = circuit_to_dag(self.transpiled_circuit)
self.durations = InstructionDurations(
[
("rz", None, 0),
("id", None, 160),
("sx", None, 160),
("x", None, 160),
("cx", None, 800),
("measure", None, 3200),
("reset", None, 3600),
],
dt=1e-9,
)
def time_time_unit_conversion_pass(self, _, __):
TimeUnitConversion(self.durations).run(self.dag)
def time_alap_schedule_pass(self, _, __):
dd_sequence = [XGate(), XGate()]
pm = PassManager(
[
ALAPScheduleAnalysis(self.durations),
PadDynamicalDecoupling(self.durations, dd_sequence),
]
)
pm.run(self.transpiled_circuit)
def time_asap_schedule_pass(self, _, __):
dd_sequence = [XGate(), XGate()]
pm = PassManager(
[
ASAPScheduleAnalysis(self.durations),
PadDynamicalDecoupling(self.durations, dd_sequence),
]
)
pm.run(self.transpiled_circuit)