Preprint
Sep 2026
RT-HiSS: Ray Tracing Accelerated High Dimensional Vector Similarity Searches
RT-HiSS is proposed, the first exact GPU RT-core-based similarity search algorithm for high-dimensional datasets and introduces a two-pass approach to estimate an upper bound on result size, enabling efficient batching under GPU memory constraints with near-perfect load balancing.
R. Munugala, Michael Gowanlock
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