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Possible undefined behavior with arm64

Status: Open.

#669 In nmslib/hnswlib;

· jlmelville opened on May 25, 2026

Multithreading is disabled for small batches what slows down high-dimensional queries (Python bindings)

Status: Open.

#667 In nmslib/hnswlib;

· martinloretzzz opened on Apr 26, 2026

Recommendations for appropriate ef, ef_construction, and M parameters

Status: Open.

#666 In nmslib/hnswlib;

· kiplingw opened on Apr 2, 2026

Integrating TurboQuant vector quantization

enhancement

Status: Open.

Feature

#662 In nmslib/hnswlib;

· ilyajob05 opened on Mar 27, 2026

[Feature Request] getMemoryUsage()

Status: Open.

#648 In nmslib/hnswlib;

· kiplingw opened on Mar 15, 2026

LeakSanitizer detects alloc-dealloc-mismatch (operator new [] vs operator delete)

Status: Open.

#645 In nmslib/hnswlib;

· yushan107 opened on Feb 9, 2026

Minor optimizations for getDataByLabel?

Status: Open.

#643 In nmslib/hnswlib;

· LTLA opened on Jan 28, 2026

Consider making saveIndex() a const method?

Status: Open.

#642 In nmslib/hnswlib;

· LTLA opened on Jan 28, 2026

[Performance]Provides NEON Optimized Implementations for ARM in HNSWlib

Status: Open.

#639 In nmslib/hnswlib;

· AmberLZY opened on Jan 21, 2026

Request for NEON/SVE Optimized Implementations for ARM in HNSWlib

Status: Open.

#637 In nmslib/hnswlib;

· ThatikondV opened on Oct 28, 2025

Potential Bug: M_ might be used incorrectly instead of Mcurmax in neighbor selection heuristic

Status: Open.

#635 In nmslib/hnswlib;

· MarsMan13 opened on Oct 12, 2025

MEMCHECK: ==1321== 544 bytes in 1 blocks are possibly lost in loss record

Status: Open.

#627 In nmslib/hnswlib;

· JohnSmithBH84 opened on Jun 10, 2025