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The increasing complexity of neural networks poses a significant barrier to the deployment of distributed machine learning (ML) on resource-constrained devices, such as federated learning (FL). Split learning (SL) offers a promising…

Machine Learning · Computer Science 2025-08-19 Zehang Lin , Zheng Lin , Miao Yang , Jianhao Huang , Yuxin Zhang , Zihan Fang , Xia Du , Zhe Chen , Shunzhi Zhu , Wei Ni

In-context learning (ICL) enhances the reasoning abilities of Large Language Models (LLMs) by prepending a few demonstrations. It motivates researchers to introduce more examples to provide additional contextual information for the…

Computation and Language · Computer Science 2025-05-27 Jun Gao , Qi Lv , Zili Wang , Tianxiang Wu , Ziqiang Cao , Wenjie Li

We propose and study a new class of gradient communication mechanisms for communication-efficient training -- three point compressors (3PC) -- as well as efficient distributed nonconvex optimization algorithms that can take advantage of…

Machine Learning · Computer Science 2022-02-03 Peter Richtárik , Igor Sokolov , Ilyas Fatkhullin , Elnur Gasanov , Zhize Li , Eduard Gorbunov

The increasing scale of large language models (LLMs) necessitates highly efficient collective communication frameworks, particularly as training workloads extend to hundreds of thousands of GPUs. Traditional communication methods face…

The efficiency and scalability of MPI collective operations, in particular the broadcast operation, plays an integral part in high performance computing applications. MPICH, as one of the contemporary widely-used MPI software stacks,…

Distributed, Parallel, and Cluster Computing · Computer Science 2016-03-23 Huan Zhou , Vladimir Marjanovic , Christoph Niethammer , José Gracia

MPI collective operations provide a standardized interface for performing data movements within a group of processes. The efficiency of collective communication operations depends on the actual algorithm, its implementation, and the…

Distributed, Parallel, and Cluster Computing · Computer Science 2017-08-11 Sascha Hunold , Alexandra Carpen-Amarie

Long prompt leads to huge hardware costs when using transformer-based Large Language Models (LLMs). Unfortunately, many tasks, such as summarization, inevitably introduce long documents, and the wide application of in-context learning…

Computation and Language · Computer Science 2024-09-04 Jun Gao , Ziqiang Cao , Wenjie Li

Partitioned communication was introduced in MPI 4.0 as a user-friendly interface to support pipelined communication patterns, particularly common in the context of MPI+threads. It provides the user with the ability to divide a global buffer…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-08-15 Thomas Gillis , Ken Raffenetti , Hui Zhou , Yanfei Guo , Rajeev Thakur

In modern cloud-native applications, microservices are commonly deployed in containerized environments to ensure scalability and flexibility. However, inter-process communication (IPC) between co-located microservices often suffers from…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-05-14 Fnu Yashu , Shubham Malhotra , Muhammad Saqib

Learning and Artificial Intelligence (ML/AI) techniques have become increasingly prevalent in high performance computing (HPC). However, these methods depend on vast volumes of floating point data for training and validation which need…

Machine Learning · Computer Science 2024-03-26 Robert Underwood , Jon C. Calhoun , Sheng Di , Franck Cappello

Taking snapshots of the state of a distributed computation is useful for off-line analysis of the computational state, for later restarting from the saved snapshot, for cloning a copy of the computation, and for migration to a new cluster.…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-10-09 Yao Xu , Gene Cooperman

We investigate the optimal power allocation and optimal precoding for a multi-cell-processing (MCP) framework with limited cooperation. In particular, we consider two base stations(BSs) which maximize the achievable rate for two users…

Information Theory · Computer Science 2016-01-12 Samah A. M. Ghanem

Federated Learning (FL) is an emerging decentralized learning framework through which multiple clients can collaboratively train a learning model. However, a major obstacle that impedes the wide deployment of FL lies in massive…

Machine Learning · Computer Science 2021-05-11 Laizhong Cui , Xiaoxin Su , Yipeng Zhou , Yi Pan

We show communication schedulers' recent work proposed for ML collectives does not scale to the increasing problem sizes that arise from training larger models. These works also often produce suboptimal schedules. We make a connection with…

Networking and Internet Architecture · Computer Science 2023-05-24 Behnaz Arzani , Siva Kesava Reddy Kakarla , Miguel Castro , Srikanth Kandula , Saeed Maleki , Luke Marshall

Large language models (LLMs) training or inference across multiple nodes introduces significant pressure on GPU memory and interconnect bandwidth. The Compute Express Link (CXL) shared memory pool offers a scalable solution by enabling…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-05-08 Dong Xu , Han Meng , Xinyu Chen , Dengcheng Zhu , Wei Tang , Fei Liu , Liguang Xie , Wu Xiang , Rui Shi , Yue Li , Henry Hu , Hui Zhang , Jianping Jiang , Dong Li

Bootstrapping is a powerful statistical resampling technique for estimating the sampling distribution of an estimator. However, its computational cost becomes prohibitive for large datasets or a high number of resamples. This paper presents…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-10-21 Di Zhang

With the ever-increasing execution scale of high performance computing (HPC) applications, vast amounts of data are being produced by scientific research every day. Error-bounded lossy compression has been considered a very promising…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-10-24 Jinyang Liu , Sheng Di , Kai Zhao , Xin Liang , Zizhong Chen , Franck Cappello

The large variety of production implementations of the message passing interface (MPI) each provide unique and varying underlying algorithms. Each emerging supercomputer supports one or a small number of system MPI installations, tuned for…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-09-15 Amanda Bienz , Derek Schafer , Anthony Skjellum

Because of the vast volume of data being produced by today's scientific simulations, lossy compression allowing user-controlled information loss can significantly reduce the data size and the I/O burden. However, for large-scale cosmology…

Information Theory · Computer Science 2017-08-08 Dingewn Tao , Sheng Di , Zizhong Chen , Franck Cappello

Prompt compression methods enhance the efficiency of Large Language Models (LLMs) and minimize the cost by reducing the length of input context. The goal of prompt compression is to shorten the LLM prompt while maintaining a high generation…

Computation and Language · Computer Science 2025-08-25 Tinghui Zhang , Yifan Wang , Daisy Zhe Wang