mirror of
https://github.com/facebookresearch/faiss.git
synced 2025-05-15 18:42:06 +08:00
e5d2defaae
Summary: Pull Request resolved: https://github.com/facebookresearch/faiss/pull/1364 Test Plan: Imported from OSS Reviewed By: mdouze Differential Revision: D23314732 Pulled By: beauby fbshipit-source-id: 788465c353bbc65947a6c766e8509f35f35e4134
34 lines
940 B
Python
34 lines
940 B
Python
import faiss
|
|
import unittest
|
|
import numpy as np
|
|
import platform
|
|
|
|
from common import get_dataset_2
|
|
try:
|
|
from faiss.contrib.exhaustive_search import knn_ground_truth
|
|
except:
|
|
pass # Submodule import broken in python 2.
|
|
|
|
@unittest.skipIf(platform.python_version_tuple()[0] < '3', \
|
|
'Submodule import broken in python 2.')
|
|
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)
|