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docs: add k-NN AVX512 support report for v2.18.0#824

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tkykenmt merged 1 commit intomainfrom
docs/k-nn-avx512-support-v2.18.0
Jan 10, 2026
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docs: add k-NN AVX512 support report for v2.18.0#824
tkykenmt merged 1 commit intomainfrom
docs/k-nn-avx512-support-v2.18.0

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Summary

This PR adds documentation for the k-NN AVX512 SIMD support feature introduced in OpenSearch v2.18.0.

Reports Created

  • Release report: docs/releases/v2.18.0/features/k-nn/k-nn-avx512-support.md
  • Feature report: docs/features/k-nn/k-nn-avx512-support.md

Key Changes in v2.18.0

  • Added AVX512 SIMD instruction support for the Faiss library
  • New native library libopensearchknn_faiss_avx512.so for AVX512-optimized operations
  • Automatic runtime detection and loading of appropriate SIMD-optimized library
  • New cluster setting knn.faiss.avx512.disabled to control AVX512 usage

Resources Used

Closes #567

@tkykenmt tkykenmt merged commit 424c207 into main Jan 10, 2026
@tkykenmt tkykenmt deleted the docs/k-nn-avx512-support-v2.18.0 branch January 10, 2026 03:51
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[feature] k-NN AVX512 Support

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