mirror of
https://github.com/facebookresearch/faiss.git
synced 2025-05-16 11:02:07 +08:00
a8e4c5e2d5
Summary: Pull Request resolved: https://github.com/facebookresearch/faiss/pull/1313 Reviewed By: mdouze Differential Revision: D22948267 Pulled By: beauby fbshipit-source-id: ec16fa0342f37672d46fb7886ecc55c7996011c4
28 lines
740 B
Python
28 lines
740 B
Python
import faiss
|
|
import unittest
|
|
import numpy as np
|
|
|
|
from common import get_dataset_2
|
|
from faiss.contrib.exhaustive_search import knn_ground_truth
|
|
|
|
class TestComputeGT(unittest.TestCase):
|
|
|
|
def test_compute_GT(self):
|
|
d = 64
|
|
xt, xb, xq = get_dataset_2(d, 0, 10000, 100)
|
|
|
|
index = faiss.IndexFlatL2(d)
|
|
index.add(xb)
|
|
Dref, Iref = index.search(xq, 10)
|
|
|
|
# iterator function on the matrix
|
|
|
|
def matrix_iterator(xb, bs):
|
|
for i0 in range(0, xb.shape[0], bs):
|
|
yield xb[i0:i0 + bs]
|
|
|
|
Dnew, Inew = knn_ground_truth(xq, matrix_iterator(xb, 1000), 10)
|
|
|
|
np.testing.assert_array_equal(Iref, Inew)
|
|
np.testing.assert_almost_equal(Dref, Dnew, decimal=5)
|