-
Notifications
You must be signed in to change notification settings - Fork 639
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Merge pull request #286 from nmslib/develop
Merge bugfix to master
- Loading branch information
Showing
3 changed files
with
52 additions
and
1 deletion.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,49 @@ | ||
import unittest | ||
|
||
import numpy as np | ||
|
||
import hnswlib | ||
|
||
|
||
class RandomSelfTestCase(unittest.TestCase): | ||
def testMetadata(self): | ||
|
||
dim = 16 | ||
num_elements = 10000 | ||
|
||
# Generating sample data | ||
data = np.float32(np.random.random((num_elements, dim))) | ||
|
||
# Declaring index | ||
p = hnswlib.Index(space='l2', dim=dim) # possible options are l2, cosine or ip | ||
|
||
# Initing index | ||
# max_elements - the maximum number of elements, should be known beforehand | ||
# (probably will be made optional in the future) | ||
# | ||
# ef_construction - controls index search speed/build speed tradeoff | ||
# M - is tightly connected with internal dimensionality of the data | ||
# stronlgy affects the memory consumption | ||
|
||
p.init_index(max_elements=num_elements, ef_construction=100, M=16) | ||
|
||
# Controlling the recall by setting ef: | ||
# higher ef leads to better accuracy, but slower search | ||
p.set_ef(100) | ||
|
||
p.set_num_threads(4) # by default using all available cores | ||
|
||
print("Adding all elements (%d)" % (len(data))) | ||
p.add_items(data) | ||
|
||
# test methods | ||
self.assertEqual(p.get_max_elements(), num_elements) | ||
self.assertEqual(p.get_current_count(), num_elements) | ||
|
||
# test properties | ||
self.assertEqual(p.space, 'l2') | ||
self.assertEqual(p.dim, dim) | ||
self.assertEqual(p.M, 16) | ||
self.assertEqual(p.ef_construction, 100) | ||
self.assertEqual(p.max_elements, num_elements) | ||
self.assertEqual(p.element_count, num_elements) |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters