Files
final-qibotn/tests/test_cuquantum_cutensor_backend.py
2023-04-19 15:12:08 +08:00

42 lines
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Python

from timeit import default_timer as timer
import config
import numpy as np
import pytest
import qibo
from qibo.models import QFT
def qibo_qft(nqubits, swaps):
circ_qibo = QFT(nqubits, swaps)
state_vec = np.array(circ_qibo())
return circ_qibo, state_vec
def time(func):
start = timer()
res = func()
end = timer()
time = end - start
return time, res
@pytest.mark.gpu
@pytest.mark.parametrize("nqubits", [1, 2, 5, 10])
def test_eval(nqubits: int):
import qibotn.cutn
# Test qibo
qibo.set_backend(backend=config.qibo.backend,
platform=config.qibo.platform)
qibo_time, (qibo_circ, result_sv) = time(
lambda: qibo_qft(nqubits, swaps=True))
# Test Cuquantum
data_type = "complex128"
cutn_time, result_tn = time(lambda: qibotn.cutn.eval(qibo_circ, data_type))
assert 1e-2 * qibo_time < cutn_time < 1e2 * qibo_time
assert np.allclose(
result_sv, result_tn), "Resulting dense vectors do not match"