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Chameleon: a Heterogeneous and Disaggregated Accelerator System for Retrieval-Augmented Language Models

Summary: Chameleon: a disaggregated heterogeneous accelerator architecture pairing FPGA vector-search accelerators with GPU LLM inference and CPU coordinators to independently scale retrieval and inference. Prototype yields up to 2.16× latency reduction and 3.18× throughput speedup vs CPU–GPU baselines. (summarized by gpt-5-mini on Feb 09 2026)

Paper ID
h0f9f8a632e8789f8
Venue
VLDB
Year
2025
Pagerank
5.842393e-05
Overall Rank
6,230 | 58.13%
DOI
10.14778/3696435.3696439
PDF
Download (CC BY-NC-ND 4.0)

Incoming Non-self Citations Over Time

Authors

BibTeX Citation

@article{jiang_vldb25,
        title = {{Chameleon: a Heterogeneous and Disaggregated Accelerator System for Retrieval-Augmented Language Models}},
        author = {Jiang, Wenqi and Zeller, Marco and Waleffe, Roger and Hoefler, Torsten and Alonso, Gustavo},
        journal = {PVLDB},
        series = {{VLDB} '25},
        volume = {18},
        number = {1},
        pages = {42--52},
        doi = {10.14778/3696435.3696439},
        url = {https://doi.org/10.14778/3696435.3696439},
        year = {2025}
}

Incoming Citations (Sorted by Pagerank)

Showing 9 of 9 citing papers.

Rank Citing Paper Year Venue Pagerank
3,467 In-depth Analysis of Graph-based RAG in a Unified Framework 2025 VLDB 7.2749538e-05
7,594 Scalable Graph Indexing using GPUs for Approximate Nearest Neighbor Search 2026 SIGMOD 5.4865404e-05
8,350 Fast Graph Vector Search via Hardware Acceleration and Delayed-Synchronization Traversal 2025 VLDB 5.3481387e-05
8,812 SwiftSpatial: Spatial Joins on Modern Hardware 2025 SIGMOD 5.270772e-05
10,352 Can You Trust the Vectors in Your Vector Database? Black-Hole Attack from Embedding Space Defects 2027 VLDB 4.9769913e-05
10,437 CMANNS: GPU-Accelerated Graph Index Construction for ANNS via Compute-Memory Disaggregation 2026 SIGMOD 4.9769913e-05
10,719 Quantization Meets Projection: A Happy Marriage for Approximate k-Nearest Neighbor Search 2026 VLDB 4.9769913e-05
10,755 Balancing the Blend: An Experimental Analysis of Trade-offs in Hybrid Search 2026 VLDB 4.9769913e-05
11,311 LLMLog: Advanced Log Template Generation via LLM-driven Multi-Round Annotation 2025 VLDB 4.9769913e-05
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Outgoing Citations (Sorted by Pagerank)

Showing 24 of 24 cited papers.

Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.

Rank Cited Paper Year Venue Pagerank
20 Similarity Search in High Dimensions via Hashing 1999 VLDB 0.0005758001
74 Fast Approximate Nearest Neighbor Search With The Navigating Spreading-out Graph 2019 VLDB 0.00037145866
189 Milvus: A Purpose-Built Vector Data Management System 2021 SIGMOD 0.0002585319
339 AnalyticDB-V: A Hybrid Analytical Engine Towards Query Fusion for Structured and Unstructured Data 2020 VLDB 0.00020561716
562 SRS: Solving c-Approximate Nearest Neighbor Queries in High Dimensional Euclidean Space with a Tiny Index 2015 VLDB 0.00016350316
803 RaBitQ: Quantizing High-Dimensional Vectors with a Theoretical Error Bound for Approximate Nearest Neighbor Search 2024 SIGMOD 0.00013838349
909 PASE: PostgreSQL Ultra-High-Dimensional Approximate Nearest Neighbor Search Extension 2020 SIGMOD 0.0001312576
1,166 Efficient Approximate Nearest Neighbor Search in Multi-dimensional Databases 2023 SIGMOD 0.0001172922
1,373 High-Throughput Vector Similarity Search in Knowledge Graphs 2023 SIGMOD 0.00010891169
1,456 Manu: A Cloud Native Vector Database Management System 2022 VLDB 0.00010588868
1,527 LazyLSH: Approximate Nearest Neighbor Search for Multiple Distance Functions with a Single Index 2016 SIGMOD 0.00010350688
1,600 High-Dimensional Approximate Nearest Neighbor Search: with Reliable and Efficient Distance Comparison Operations 2023 SIGMOD 0.00010111099
1,602 Fast and Unified Local Search for Random Walk Based K-Nearest-Neighbor Query in Large Graphs 2014 SIGMOD 0.00010100314
1,618 Towards Efficient Index Construction and Approximate Nearest Neighbor Search in High-Dimensional Spaces 2023 VLDB 0.00010053127
1,681 HVS: Hierarchical Graph Structure Based on Voronoi Diagrams for Solving Approximate Nearest Neighbor Search 2022 VLDB 9.8836287e-05
2,175 Efficient Processing of k Nearest Neighbor Joins using MapReduce 2012 VLDB 8.918268e-05
5,222 Point-to-Hyperplane Nearest Neighbor Search Beyond the Unit Hypersphere 2021 SIGMOD 6.2205593e-05
5,260 Top-k Nearest Neighbor Search In Uncertain Data Series 2015 VLDB 6.2041665e-05
5,903 ARKGraph: All-Range Approximate K-Nearest-Neighbor Graph 2023 VLDB 5.9512758e-05
6,087 Progressive Top-K Nearest Neighbors Search in Large Road Networks 2020 SIGMOD 5.8890302e-05
7,053 Exact Top-k Nearest Keyword Search in Large Networks 2015 SIGMOD 5.6103309e-05
8,409 Reverse k Nearest Neighbors Query Processing: Experiments and Analysis 2015 VLDB 5.3362771e-05
9,473 Range-based Obstructed Nearest Neighbor Queries 2016 SIGMOD 5.1703774e-05
9,474 Optimal Spatial Dominance: An Effective Search of Nearest Neighbor Candidates 2015 SIGMOD 5.1703774e-05
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