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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
14226
Venue
VLDB
Year
2025
Pagerank
5.7301567e-05
Overall Rank
6,995 | 52.01%
DOI
10.14778/3696435.3696439

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 8 of 8 citing papers.

Rank Citing Paper Year Venue Pagerank
6,254 In-depth Analysis of Graph-based RAG in a Unified Framework 2025 VLDB 5.9405174e-05
9,544 SwiftSpatial: Spatial Joins on Modern Hardware 2025 SIGMOD 5.2528121e-05
9,776 Fast Graph Vector Search via Hardware Acceleration and Delayed-Synchronization Traversal 2025 VLDB 5.2209769e-05
10,209 CMANNS: GPU-Accelerated Graph Index Construction for ANNS via Compute-Memory Disaggregation 2026 SIGMOD 5.093636e-05
10,400 Scalable Graph Indexing using GPUs for Approximate Nearest Neighbor Search 2026 SIGMOD 5.093636e-05
10,525 Quantization Meets Projection: A Happy Marriage for Approximate k-Nearest Neighbor Search 2026 VLDB 5.093636e-05
10,563 Balancing the Blend: An Experimental Analysis of Trade-offs in Hybrid Search 2026 VLDB 5.093636e-05
10,909 LLMLog: Advanced Log Template Generation via LLM-driven Multi-Round Annotation 2025 VLDB 5.093636e-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
21 Similarity Search in High Dimensions via Hashing 1999 VLDB 0.00056760516
93 Fast Approximate Nearest Neighbor Search With The Navigating Spreading-out Graph 2019 VLDB 0.00034701237
286 Milvus: A Purpose-Built Vector Data Management System 2021 SIGMOD 0.00022357911
406 AnalyticDB-V: A Hybrid Analytical Engine Towards Query Fusion for Structured and Unstructured Data 2020 VLDB 0.00019054532
580 SRS: Solving c-Approximate Nearest Neighbor Queries in High Dimensional Euclidean Space with a Tiny Index 2015 VLDB 0.00016157635
1,065 PASE: PostgreSQL Ultra-High-Dimensional Approximate Nearest Neighbor Search Extension 2020 SIGMOD 0.00012335063
1,244 Efficient Approximate Nearest Neighbor Search in Multi-dimensional Databases 2023 SIGMOD 0.00011508159
1,357 RaBitQ: Quantizing High-Dimensional Vectors with a Theoretical Error Bound for Approximate Nearest Neighbor Search 2024 SIGMOD 0.00011043994
1,572 LazyLSH: Approximate Nearest Neighbor Search for Multiple Distance Functions with a Single Index 2016 SIGMOD 0.00010329197
1,589 Manu: A Cloud Native Vector Database Management System 2022 VLDB 0.00010264469
1,628 Fast and Unified Local Search for Random Walk Based K-Nearest-Neighbor Query in Large Graphs 2014 SIGMOD 0.00010186757
1,631 High-Throughput Vector Similarity Search in Knowledge Graphs 2023 SIGMOD 0.00010174628
1,735 High-Dimensional Approximate Nearest Neighbor Search: with Reliable and Efficient Distance Comparison Operations 2023 SIGMOD 9.9004924e-05
1,802 HVS: Hierarchical Graph Structure Based on Voronoi Diagrams for Solving Approximate Nearest Neighbor Search 2022 VLDB 9.7284341e-05
1,934 Towards Efficient Index Construction and Approximate Nearest Neighbor Search in High-Dimensional Spaces 2023 VLDB 9.4561907e-05
2,137 Efficient Processing of k Nearest Neighbor Joins using MapReduce 2012 VLDB 9.110238e-05
5,121 Point-to-Hyperplane Nearest Neighbor Search Beyond the Unit Hypersphere 2021 SIGMOD 6.3577317e-05
5,244 Top-k Nearest Neighbor Search In Uncertain Data Series 2015 VLDB 6.3018164e-05
5,987 Progressive Top-K Nearest Neighbors Search in Large Road Networks 2020 SIGMOD 6.0183678e-05
6,404 ARKGraph: All-Range Approximate K-Nearest-Neighbor Graph 2023 VLDB 5.8859287e-05
6,940 Exact Top-k Nearest Keyword Search in Large Networks 2015 SIGMOD 5.7331991e-05
9,354 Range-based Obstructed Nearest Neighbor Queries 2016 SIGMOD 5.282937e-05
9,355 Optimal Spatial Dominance: An Effective Search of Nearest Neighbor Candidates 2015 SIGMOD 5.282937e-05
9,356 Reverse k Nearest Neighbors Query Processing: Experiments and Analysis 2015 VLDB 5.282937e-05
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