perf: avoid allocating filtered nodes on HNSW search path#5377
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BubbleCal merged 2 commits intolance-format:mainfrom Dec 2, 2025
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perf: avoid allocating filtered nodes on HNSW search path#5377BubbleCal merged 2 commits intolance-format:mainfrom
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…at#5377) - streamline beam_search neighbor processing to drop an extra allocation and add a zero-alloc bitset iterator - make flat-search prefilter iteration allocation-free with buffered prefetch and retune hnsw bench to 100k x128 K=100 - Bench: search_hnsw100000x128 321.76µs -> 265.44µs (~20% faster)
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