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- W4293231673 abstract "We accelerate the 4-bit product quantization (PQ) on the ARM architecture. Notably, the drastic performance of the conventional 4-bit PQ strongly relies on x64-specific SIMD register, such as AVX2; hence, we cannot yet achieve such good performance on ARM. To fill this gap, we first bundle two 128-bit registers as one 256-bit component. We then apply shuffle operations for each using the ARM-specific NEON instruction. By making this simple but critical modification, we achieve a dramatic speedup for the 4-bit PQ on an ARM architecture. Experiments show that the proposed method consistently achieves a 10x improvement over the naive PQ with the same accuracy." @default.
- W4293231673 created "2022-08-27" @default.
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- W4293231673 date "2022-03-03" @default.
- W4293231673 modified "2023-09-24" @default.
- W4293231673 title "ARM 4-BIT PQ: SIMD-based Acceleration for Approximate Nearest Neighbor Search on ARM" @default.
- W4293231673 doi "https://doi.org/10.48550/arxiv.2203.02505" @default.
- W4293231673 hasPublicationYear "2022" @default.
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