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Tag Archives: JNI

Screaming fast Lucene searches using C++ via JNI

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At the end of the day, when Lucene executes a query, after the initial setup the true hot-spot is usually rather basic code that decodes sequential blocks of integer docIDs, term frequencies and positions, matches them (e.g. taking union or intersection for BooleanQuery), computes a score for each hit and finally saves the hit if it’s competitive, during collection. Even ...

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