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In this paper, we consider the bandwidth-delay-hop constrained routing problem in large-scaled software defined networks. A number of demands, each of which specifies a source vertex and a sink vertex, are required to route in a given…

Networking and Internet Architecture · Computer Science 2019-02-28 Chenyang Xu , Liangde Tao , Huajingling Wu , Deshi Ye , Guochuan Zhang

As LLMs scale to multi-million-token KV histories, real-time autoregressive decoding under tight Token-to-Token Latency (TTL) constraints faces growing pressure. Two core bottlenecks dominate: accessing Feed-Forward Network (FFN) weights…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-07-11 Nidhi Bhatia , Ankit More , Ritika Borkar , Tiyasa Mitra , Ramon Matas , Ritchie Zhao , Maximilian Golub , Dheevatsa Mudigere , Brian Pharris , Bita Darvish Rouhani

Large Language Models (LLMs) are increasingly deployed in both latency-sensitive online services and cost-sensitive offline workloads. Co-locating these workloads on shared serving instances can improve resource utilization, but directly…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-12-01 Siyu Wu , Zihan Tang , Yuting Zeng , Hui Chen , Guiguang Ding , Tongxuan Liu , Ke Zhang , Hailong Yang

Cloud computing has grown rapidly in recent years, mainly due to the sharp increase in data transferred over the internet. This growth makes load balancing a key part of cloud systems, as it helps distribute user requests across servers to…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-08-11 Shadman Sakib , Ajay Katangur , Rahul Dubey

The rapid pace at which new large language models (LLMs) appear, and older ones become obsolete, forces providers to manage a streaming inventory under a strict concurrency cap and per-query cost budgets. We cast this as an online decision…

Machine Learning · Computer Science 2026-01-30 Shaoang Li , Jian Li

Routing of the nets in Field Programmable Gate Array (FPGA) design flow is one of the most time consuming steps. Although Versatile Place and Route (VPR), which is a commonly used algorithm for this purpose, routes effectively, it is slow…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-10-23 Rohit Agrawal , Kapil Ahuja , Dhaarna Maheshwari , Akash Kumar

Serving Large Language Models (LLMs) is a GPU-intensive task where traditional autoscalers fall short, particularly for modern Prefill-Decode (P/D) disaggregated architectures. This architectural shift, while powerful, introduces…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-08-28 Rongzhi Li , Ruogu Du , Zefang Chu , Sida Zhao , Chunlei Han , Zuocheng Shi , Yiwen Shao , Huanle Han , Long Huang , Zherui Liu , Shufan Liu

Efficient parallelization of Large Language Models (LLMs) with long sequences is essential but challenging due to their significant computational and memory demands, particularly stemming from communication bottlenecks in attention…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-12-31 Zongwu Wang , Fangxin Liu , Mingshuai Li , Li Jiang

Over 40% of computational power in Large Language Model (LLM) serving systems can be systematically wasted - not from hardware limits, but from load imbalance in barrier-synchronized parallel processing. When progress is gated by the…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-02-03 Zixi Chen , Tianci Bu , Chendong Song , Xin Lu , Yinyu Ye , Zijie Zhou

Global cloud service providers handle inference workloads for Large Language Models (LLMs) that span latency-sensitive (e.g., chatbots) and insensitive (e.g., report writing) tasks, resulting in diverse and often conflicting Service Level…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-11-14 Shashwat Jaiswal , Kunal Jain , Yogesh Simmhan , Anjaly Parayil , Ankur Mallick , Rujia Wang , Renee St. Amant , Chetan Bansal , Victor Rühle , Anoop Kulkarni , Steve Kofsky , Saravan Rajmohan

Load balancing algorithms play critical roles in systems where the workload has to be distributed across multiple resources, such as cores in multiprocessor system, computers in distributed computing, and network links. In this paper, we…

Distributed, Parallel, and Cluster Computing · Computer Science 2017-10-20 Shafinaz Islam

Traffic load-balancing in datacenters alleviates hot spots and improves network utilization. In this paper, a stable in-network load-balancing algorithm is developed in the setting of software-defined networking. A control plane configures…

Networking and Internet Architecture · Computer Science 2016-12-07 Sucha Supittayapornpong , Michael J. Neely

The use of under-utilized Internet resources is widely recognized as a viable form of high performance computing. Sustained processing power of roughly 40T FLOPS using 4 million volunteered Internet hosts has been reported for…

Distributed, Parallel, and Cluster Computing · Computer Science 2007-05-23 Scott Douglas , Aaron Harwood

The architectural shift to prefill/decode (PD) disaggregation in LLM serving improves resource utilization but struggles with the bursty nature of modern workloads. Existing autoscaling policies, often retrofitted from monolithic systems…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-12-04 Ruiqi Lai , Hongrui Liu , Chengzhi Lu , Zonghao Liu , Siyu Cao , Siyang Shao , Yixin Zhang , Luo Mai , Dmitrii Ustiugov

The rapid advancement of embedded multicore and many-core systems has revolutionized computing, enabling the development of high-performance, energy-efficient solutions for a wide range of applications. As models scale up in size, data…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-10-15 Ruhai Lin , Rui-Jie Zhu , Jason K. Eshraghian

While most autoregressive LLMs are constrained to one-by-one decoding, diffusion LLMs (dLLMs) have attracted growing interest for their potential to dramatically accelerate inference through parallel decoding. Despite this promise, the…

In large-scale AI training, Sparse Mixture-of-Experts (s-MoE) layers enable scaling by activating only a small subset of experts per token. An operational challenge in this design is load balancing: routing tokens to minimize the number of…

Optimization and Control · Mathematics 2026-04-28 X. Y. Han , Yuan Zhong

Online Freight Exchange Systems (OFEX) play a crucial role in modern freight logistics by facilitating real-time matching between shippers and carrier. However, efficient combinatorial bundling of transporation jobs remains a bottleneck. We…

Artificial Intelligence · Computer Science 2025-12-15 Haohui Zhang , Wouter van Heeswijk , Xinyu Hu , Neil Yorke-Smith , Martijn Mes

Serving long-context LLMs is costly because attention computation grows linearly with context length. Dynamic sparse attention algorithms (DSAs) mitigate this by attending only to the key-value (KV) cache of critical tokens. However, with…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-09-30 Qihui Zhou , Peiqi Yin , Pengfei Zuo , James Cheng

Production vLLM fleets typically provision each instance for the worst-case context length, leading to substantial KV-cache over-allocation and under-utilized concurrency. In practice, 80-95% of requests are short, yet are served under…

Computation and Language · Computer Science 2026-04-10 Xunzhuo Liu , Bowei He , Xue Liu , Andy Luo , Haichen Zhang , Huamin Chen