Search Results for author: David Simcha

Found 8 papers, 2 papers with code

SOAR: Improved Indexing for Approximate Nearest Neighbor Search

no code implementations NeurIPS 2023 Philip Sun, David Simcha, Dave Dopson, Ruiqi Guo, Sanjiv Kumar

This paper introduces SOAR: Spilling with Orthogonality-Amplified Residuals, a novel data indexing technique for approximate nearest neighbor (ANN) search.

New Loss Functions for Fast Maximum Inner Product Search

no code implementations ICLR 2020 Ruiqi Guo, Quan Geng, David Simcha, Felix Chern, Phil Sun, Sanjiv Kumar

In this work, we focus directly on minimizing error in inner product approximation and derive a new class of quantization loss functions.

Benchmarking Quantization

Accelerating Large-Scale Inference with Anisotropic Vector Quantization

3 code implementations ICML 2020 Ruiqi Guo, Philip Sun, Erik Lindgren, Quan Geng, David Simcha, Felix Chern, Sanjiv Kumar

Based on the observation that for a given query, the database points that have the largest inner products are more relevant, we develop a family of anisotropic quantization loss functions.

Benchmarking Quantization

Local Orthogonal Decomposition for Maximum Inner Product Search

no code implementations25 Mar 2019 Xiang Wu, Ruiqi Guo, Sanjiv Kumar, David Simcha

More specifically, we decompose a residual vector locally into two orthogonal components and perform uniform quantization and multiscale quantization to each component respectively.

Quantization

Efficient Inner Product Approximation in Hybrid Spaces

no code implementations20 Mar 2019 Xiang Wu, Ruiqi Guo, David Simcha, Dave Dopson, Sanjiv Kumar

In this paper, we propose a technique that approximates the inner product computation in hybrid vectors, leading to substantial speedup in search while maintaining high accuracy.

Network Embedding

Quantization based Fast Inner Product Search

no code implementations4 Sep 2015 Ruiqi Guo, Sanjiv Kumar, Krzysztof Choromanski, David Simcha

We propose a quantization based approach for fast approximate Maximum Inner Product Search (MIPS).

Quantization

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