Extend ASV tests with QASM3 dump (Qiskit#13334)

* test qasm3 exporter

* Custom gates and parametrized circuits

---------

Co-authored-by: Matthew Treinish <[email protected]>

test/benchmarks/mapping_passes.py

@@ -35,7 +35,7 @@ def setup(self, n_qubits, depth):
             n_qubits, depth, measure=True, conditional=True, reset=True, seed=seed, max_operands=2
         )
         self.fresh_dag = circuit_to_dag(self.circuit)
-        self.basis_gates = ["u1", "u2", "u3", "cx", "iid"]
+        self.basis_gates = ["u1", "u2", "u3", "cx", "id"]
         self.cmap = [
             [0, 1],
             [1, 0],
@@ -166,7 +166,7 @@ def setup(self, n_qubits, depth):
             n_qubits, depth, measure=True, conditional=True, reset=True, seed=seed, max_operands=2
         )
         self.fresh_dag = circuit_to_dag(self.circuit)
-        self.basis_gates = ["u1", "u2", "u3", "cx", "iid"]
+        self.basis_gates = ["u1", "u2", "u3", "cx", "id"]
         self.cmap = [
             [0, 1],
             [1, 0],

test/benchmarks/qasm3_exporter.py

@@ -0,0 +1,83 @@
+# This code is part of Qiskit.
+#
+# (C) Copyright IBM 2024
+#
+# 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=missing-docstring
+# pylint: disable=attribute-defined-outside-init
+
+from qiskit.circuit import Parameter
+from qiskit import QuantumCircuit
+from qiskit import qasm3
+
+from .utils import random_circuit
+
+
+class RandomBenchmarks:
+
+    params = ([20], [256, 1024], [0, 42])
+
+    param_names = ["n_qubits", "depth", "seed"]
+    timeout = 300
+
+    def setup(self, n_qubits, depth, seed):
+        self.circuit = random_circuit(
+            n_qubits,
+            depth,
+            measure=True,
+            conditional=True,
+            reset=True,
+            seed=seed,
+            max_operands=3,
+        )
+
+    def time_dumps(self, _, __, ___):
+        qasm3.dumps(self.circuit)
+
+
+class CustomGateBenchmarks:
+
+    params = ([200], [100])
+
+    param_names = ["n_qubits", "depth"]
+    timeout = 300
+
+    def setup(self, n_qubits, depth):
+        custom_gate = QuantumCircuit(2, name="custom_gate")
+        custom_gate.h(0)
+        custom_gate.x(1)
+
+        qc = QuantumCircuit(n_qubits)
+        for _ in range(depth):
+            for i in range(n_qubits - 1):
+                qc.append(custom_gate.to_gate(), [i, i + 1])
+        self.circuit = qc
+
+    def time_dumps(self, _, __):
+        qasm3.dumps(self.circuit)
+
+
+class ParameterizedBenchmarks:
+
+    params = ([20, 50], [1, 5, 10])
+
+    param_names = ["n_qubits", "n_params"]
+    timeout = 300
+
+    def setup(self, n_qubits, n_params):
+        qc = QuantumCircuit(n_qubits)
+        params = [Parameter(f"angle{i}") for i in range(n_params)]
+        for n in range(n_qubits - 1):
+            for i in params:
+                qc.rx(i, n)
+        self.circuit = qc
+
+    def time_dumps(self, _, __):
+        qasm3.dumps(self.circuit)