nmslib

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Is it possible to add User-Defined Metrics?

celsofranssa

After having a lot of problems trying to get this to install, a simple fix to the base code resolved all troubles. In the file distcomp_scalar.cc, on lines 85 and...

wendysphillips

[BUG] cosinesimil produces wrong results and wrong distances

4

Here is the code to reproduce: ```python import nmslib import numpy as np idx = np.array([[3.0,4.0],[1.0,2.0],[1.001,2.002],[3.1,4.2]]) #idx = idx / np.linalg.norm(idx, 2, axis=1)[:,None] queries = np.array([[1.0,2.0]]) #queries = queries /...

goodwanghan

Install fails with python 3.10.2

5

Hi, as dependency of [pyserini](https://github.com/castorini/pyserini) I am installing nmslib. However, the install fails when I use python 3.10.2. I tried with python 3.8.2, and it worked fine. Please find the...

timbmg

list index out of range with KNNBatchQuery

1

I am using nmslib to match some terminologies from a chunk of text (vectorized with tfidf). But occasionally the index reported by the nearest neighbour object is out of the...

raylite

Install fails on Python 3.10.11 with error: no type named 'uint16_t' in namespace 'std'

1

Hi there! After a python system update, I can't `pip install nmslib` anymore, getting a build error instead. # Environment - `Linux 6.3.1-arch1-1 x86_64 GNU/Linux` - `Python 3.10.11` - `nmslib-2.1.1`...

PLNech

https://github.com/nmslib/nmslib/blob/ade4bcdc9dd3719990de2503871450b8a62df4a5/similarity_search/src/method/small_world_rand.cc#L94 The for loop in the indexing thread makes incorrect assumption that first element in batch will always be handled by the primer functions. First element is only added if...

jaivia

disabling sync_with_stdio by default create very destructive side effects. make it optional

sad1y

AVX and AVX2 issues

1

An error ocurred while starting the kernel Your CPU supports instructions that this binary was not compiled to use: AVX AVX2 For maximum performance, you can install NMSLIB from sources...

bigdavesmall

Build fails with GCC: `ld: duplicate symbol __ZTSN10similarity4HnswIfEE`

4

This is on macOS 10.6 with gcc13: ``` ld: duplicate symbol __ZTSN10similarity4HnswIfEE in /opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_math_nmslib/nmslib/work/nmslib-2.1.1/similarity_search/debug/libNonMetricSpaceLib.a(hnsw_distfunc_opt.cc.o) and /opt/local/var/macports/build/_opt_PPCSnowLeopardPorts_math_nmslib/nmslib/work/nmslib-2.1.1/similarity_search/debug/libNonMetricSpaceLib.a(hnsw.cc.o) collect2: error: ld returned 1 exit status ```

barracuda156