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Chris Hegarty
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Chris Hegarty

Principal Software Engineer II

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Articles

Making Lucene faster with vectorization and FFI/madvise
Lucene
•17 April 2024

Making Lucene faster with vectorization and FFI/madvise

Discover how modern Java features, including vectorization and FFI/madvise, are speeding up Lucene's performance.

Chris Hegarty

Smokin' fast BBQ with hardware accelerated SIMD instructions
LuceneVector Database
•3 December 2024

Smokin' fast BBQ with hardware accelerated SIMD instructions

How we optimized vector comparisons in BBQ with hardware accelerated SIMD (Single Instruction Multiple Data) instructions.

Chris Hegarty

Understanding fused multiply-add (FMA) within vector similarity computations in Lucene
LuceneVector Database
•20 November 2023

Understanding fused multiply-add (FMA) within vector similarity computations in Lucene

Learn how to use fused multiply-add (FMA) within vector similarity computations in Lucene and discover how FMA can improve performance.

Chris Hegarty

Optimizing vector distance computations with the Foreign Function & Memory (FFM) API
LuceneVector Database
•23 February 2024

Optimizing vector distance computations with the Foreign Function & Memory (FFM) API

Learn how to optimize vector distance computations using the Foreign Function & Memory (FFM) API to achieve faster performance.

Chris Hegarty

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