49 lines
1.2 KiB
Python
49 lines
1.2 KiB
Python
from timeit import default_timer as timer
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import config
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import numpy as np
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import pytest
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import qibo
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from qibo.models import QFT
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def qibo_qft(nqubits, swaps):
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circ_qibo = QFT(nqubits, swaps)
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state_vec = np.array(circ_qibo())
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return circ_qibo, state_vec
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def time(func):
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start = timer()
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res = func()
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end = timer()
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time = end - start
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return time, res
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@pytest.mark.gpu
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@pytest.mark.parametrize("nqubits", [1, 2, 5, 10])
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def test_eval(nqubits: int, dtype="complex128"):
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"""Evaluate QASM with cuQuantum.
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Args:
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nqubits (int): Total number of qubits in the system.
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dtype (str): The data type for precision, 'complex64' for single,
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'complex128' for double.
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"""
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import qibotn.cutn
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# Test qibo
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qibo.set_backend(backend=config.qibo.backend,
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platform=config.qibo.platform)
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qibo_time, (qibo_circ, result_sv) = time(
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lambda: qibo_qft(nqubits, swaps=True))
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# Test Cuquantum
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cutn_time, result_tn = time(
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lambda: qibotn.cutn.eval(qibo_circ, dtype).flatten())
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assert 1e-2 * qibo_time < cutn_time < 1e2 * qibo_time
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assert np.allclose(
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result_sv, result_tn), "Resulting dense vectors do not match"
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