ECHO-2: A Large-Scale Distributed Rollout Framework for Cost-Efficient Reinforcement Learning.

Yangshen Deng

Jie Xiao Meng Chen Qingnan Ren Jingwei Song Jiaqi Huang Yangshen Deng Chris Tong Wanyi Chen Suli Wang Ziqian Bi Shuo Lu Yiqun Duan Xu Wang Rymon Yu Ween Yang Lynn Ai Eric Yang Bill Shi ECHO-2: A Large-Scale Distributed Rollout Framework for Cost-Efficient Reinforcement Learning. 2026 February abs/2602.02192 CoRR https://doi.org/10.48550/arXiv.2602.02192 db/journals/corr/corr2602.html#abs-2602-02192 streams/journals/corr

Weijian Chen Haotian Liu Yangshen Deng Long Xiang 0001 Liang Huang Gezi Li Bo Tang 0016 AlayaLaser: Efficient Index Layout and Search Strategy for Large-scale High-dimensional Vector Similarity Search. 2026 February abs/2602.23342 CoRR https://doi.org/10.48550/arXiv.2602.23342 db/journals/corr/corr2602.html#abs-2602-23342 streams/journals/corr

Yuxiang Yang Shiwen Chen Yangshen Deng Bo Tang 0016 ParaGraph: Accelerating Graph Indexing through GPU-CPU Parallel Processing for Efficient Cross-modal ANNS. 7:1-7:10 2025 DaMoN https://doi.org/10.1145/3736227.3736237 conf/damon/2025 db/conf/damon/damon2025.html#YangCD025 Yangshen Deng Michael Fruth Stefanie Scherzinger Reproducibility Report for ACM SIGMOD 2025 Paper: 'Live Patching for Distributed In-Memory Key-Value Stores'. 139-142 2025 SIGMOD ARI Reports https://doi.org/10.1145/3785021.3788011 conf/sigmod/2025ari db/conf/sigmod/sigmod2025ari.html#DengFS25 Yangshen Deng Zhengxin You Long Xiang 0001 Qilong Li 0001 Peiqi Yuan Zhaoyang Hong Yitao Zheng Wanting Li Runzhong Li Haotian Liu Kyriakos Mouratidis Man Lung Yiu Huan Li 0003 Qiaomu Shen Rui Mao 0001 Bo Tang 0016 AlayaDB: The Data Foundation for Efficient and Effective Long-context LLM Inference. 364-377 2025 SIGMOD Conference Companion https://doi.org/10.1145/3722212.3724428 conf/sigmod/2025c db/conf/sigmod/sigmod2025c.html#DengYXLYHZLLLMY25

Yangshen Deng Zhengxin You Long Xiang 0001 Qilong Li 0001 Peiqi Yuan Zhaoyang Hong Yitao Zheng Wanting Li Runzhong Li Haotian Liu Kyriakos Mouratidis Man Lung Yiu Huan Li 0003 Qiaomu Shen Rui Mao 0001 Bo Tang 0016 AlayaDB: The Data Foundation for Efficient and Effective Long-context LLM Inference. 2025 April abs/2504.10326 CoRR https://doi.org/10.48550/arXiv.2504.10326 db/journals/corr/corr2504.html#abs-2504-10326 streams/journals/corr

Suli Wang Yangshen Deng Zhenghua Bao Xinyu Zhan 0003 Yiqun Duan NeuroTTT: Bridging Pretraining-Downstream Task Misalignment in EEG Foundation Models via Test-Time Training. 2025 September abs/2509.26301 CoRR https://doi.org/10.48550/arXiv.2509.26301 db/journals/corr/corr2509.html#abs-2509-26301 streams/journals/corr

Yangshen Deng Muxi Yan 0001 Bo Tang 0016 Accelerating Merkle Patricia Trie with GPU. 1856-1869 2024 April 17 Proc. VLDB Endow. 8 https://www.vldb.org/pvldb/vol17/p1856-tang.pdf https://doi.org/10.14778/3659437.3659443 https://www.wikidata.org/entity/Q131110115 db/journals/pvldb/pvldb17.html#DengYT24 streams/journals/pvldb

Jun Yuan Chenjie Gong Yangshen Deng Shiwen Chen Bo Tang 0016 Free Your Hash Join From Slow Synchronizations: A Fast Hash Join Implementation on GPU. 2024 ACM TUR-C https://doi.org/10.1145/3674399.3674437 https://www.wikidata.org/entity/Q131136705 conf/acmturc/2024 db/conf/acmturc/acmturc2024.html#YuanGDC024 Yangshen Deng Shiwen Chen Zhaoyang Hong Bo Tang 0016 How Does Software Prefetching Work on GPU Query Processing? 5:1-5:9 2024 DaMoN https://doi.org/10.1145/3662010.3663445 https://www.wikidata.org/entity/Q131126237 conf/damon/2024 db/conf/damon/damon2024.html#DengCH024 Yangshen Deng Ted Shaowang Tapan Srivastava Reproducibility Report for ACM SIGMOD 2024 Paper: 'PECJ: Stream Window Join on Disorder Data Streams with Proactive Error Compensation'. 5-7 2024 SIGMOD/PODS https://doi.org/10.1145/3687998.3717035 conf/sigmod/2024ari db/conf/sigmod/sigmod2024ari.html#DengSS24 streams/conf/sigmod Haotian Liu Bo Tang 0016 Jiashu Zhang Yangshen Deng Xiao Yan 0002 Xinying Zheng Qiaomu Shen Dan Zeng 0002 Zunyao Mao Chaozu Zhang Zhengxin You Zhihao Wang Runzhe Jiang Fang Wang 0012 Man Lung Yiu Huan Li 0003 Mingji Han Qian Li Zhenghai Luo GHive: accelerating analytical query processing in apache hive via CPU-GPU heterogeneous computing. 158-172 2022 SoCC https://doi.org/10.1145/3542929.3563503 https://www.wikidata.org/entity/Q131020495 conf/cloud/2022 db/conf/cloud/socc2022.html#Liu0ZD0ZSZMZYWJ22 Haotian Liu Bo Tang 0016 Jiashu Zhang Yangshen Deng Xinying Zheng Qiaomu Shen Xiao Yan 0002 Dan Zeng 0002 Zunyao Mao Chaozu Zhang Zhengxin You Zhihao Wang Runzhe Jiang Fang Wang 0012 Man Lung Yiu Huan Li 0003 Mingji Han Qian Li Zhenghai Luo GHive: A Demonstration of GPU-Accelerated Query Processing in Apache Hive. 2417-2420 2022 SIGMOD Conference https://doi.org/10.1145/3514221.3520166 https://www.wikidata.org/entity/Q131013297 conf/sigmod/2022 db/conf/sigmod/sigmod2022.html#LiuTZDZSYZMZYWJ22 Lynn Ai Zhenghua Bao Ziqian Bi Meng Chen Shiwen Chen Wanyi Chen Weijian Chen Yiqun Duan Michael Fruth Chenjie Gong Mingji Han Zhaoyang Hong Jiaqi Huang Liang Huang Runzhe Jiang Gezi Li Huan Li 0003 Qian Li Qilong Li 0001 Runzhong Li Wanting Li Haotian Liu Shuo Lu Zhenghai Luo Rui Mao 0001 Zunyao Mao Kyriakos Mouratidis Qingnan Ren Stefanie Scherzinger Ted Shaowang Qiaomu Shen Bill Shi Jingwei Song Tapan Srivastava Bo Tang 0016 Chris Tong Fang Wang 0012 Suli Wang Xu Wang Zhihao Wang Long Xiang 0001 Jie Xiao Muxi Yan 0001 Xiao Yan 0002 Eric Yang Ween Yang Yuxiang Yang Man Lung Yiu Zhengxin You Rymon Yu Jun Yuan Peiqi Yuan Dan Zeng 0002 Xinyu Zhan 0003 Chaozu Zhang Jiashu Zhang Xinying Zheng Yitao Zheng