28 lines
740 B
Python
28 lines
740 B
Python
import faiss
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import unittest
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import numpy as np
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from common import get_dataset_2
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from faiss_contrib.exhaustive_search import knn_ground_truth
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class TestComputeGT(unittest.TestCase):
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def test_compute_GT(self):
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d = 64
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xt, xb, xq = get_dataset_2(d, 0, 10000, 100)
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index = faiss.IndexFlatL2(d)
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index.add(xb)
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Dref, Iref = index.search(xq, 10)
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# iterator function on the matrix
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def matrix_iterator(xb, bs):
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for i0 in range(0, xb.shape[0], bs):
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yield xb[i0:i0 + bs]
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Dnew, Inew = knn_ground_truth(xq, matrix_iterator(xb, 1000), 10)
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np.testing.assert_array_equal(Iref, Inew)
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np.testing.assert_almost_equal(Dref, Dnew, decimal=5)
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