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Related papers: GPU Performance Portability needs Autotuning

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Optimizing the performance of GPU kernels is challenging for both human programmers and code generators. For example, CUDA programmers must set thread and block parameters for a kernel, but might not have the intuition to make a good…

Distributed, Parallel, and Cluster Computing · Computer Science 2017-06-30 Robert V. Lim , Boyana Norris , Allen D. Malony

Optimizing GPU kernels for high performance is a complex task, often demanding deep architectural knowledge, extensive profiling, and iterative experimentation. This challenge is amplified when targeting newer or less-documented GPU…

Machine Learning · Computer Science 2025-08-25 Martin Andrews , Sam Witteveen

Optimizing the performance of computational fluid dynamics (CFD) applications accelerated by graphics processing units (GPUs) is crucial for efficient simulations. In this study, we employed a machine learning-based autotuning technique to…

Performance · Computer Science 2024-02-21 Weicheng Xue , Christohper John Roy

Writing high-performance code requires significant expertise in the programming language, compiler optimizations, and hardware knowledge. This often leads to poor productivity and portability and is inconvenient for a non-programmer…

Performance · Computer Science 2020-09-01 Ajitesh Srivastava , Naifeng Zhang , Rajgopal Kannan , Viktor K. Prasanna

Recent breakthroughs in Large-scale language models (LLMs) have demonstrated impressive performance on various tasks. The immense sizes of LLMs have led to very high resource demand and cost for running the models. Though the models are…

Machine Learning · Computer Science 2024-03-05 Juntao Zhao , Borui Wan , Yanghua Peng , Haibin Lin , Chuan Wu

Performance profiles of GPU kernels generated by tools such as Nsight Compute are rich in detail but are often challenging to interpret. To achieve the best performance possible on a given GPU architecture, kernel developers need to spend…

Finetuning large language models (LLMs) is essential for task adaptation, yet today's serving stacks isolate inference and finetuning on separate GPU clusters -- wasting resources and under-utilizing hardware. We introduce FlexLLM, the…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-10-27 Gabriele Oliaro , Xupeng Miao , Xinhao Cheng , Vineeth Kada , Mengdi Wu , Ruohan Gao , Yingyi Huang , Remi Delacourt , April Yang , Yingcheng Wang , Colin Unger , Zhihao Jia

The prohibitive expense of automatic performance tuning at scale has largely limited the use of autotuning to libraries for shared-memory and GPU architectures. We introduce a framework for approximate autotuning that achieves a desired…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-03-03 Edward Hutter , Edgar Solomonik

Fine-tuning large language models (LLMs) under resource constraints is a significant challenge in deep learning. Low-Rank Adaptation (LoRA), pruning, and quantization are all effective methods for improving resource efficiency. However,…

Machine Learning · Computer Science 2024-11-22 Changhai Zhou , Shiyang Zhang , Yuhua Zhou , Zekai Liu , Shichao Weng

The massive amount of trainable parameters in the pre-trained language models (PLMs) makes them hard to be deployed to multiple downstream tasks. To address this issue, parameter-efficient transfer learning methods have been proposed to…

Computation and Language · Computer Science 2022-10-27 Yifan Chen , Devamanyu Hazarika , Mahdi Namazifar , Yang Liu , Di Jin , Dilek Hakkani-Tur

The performance portability of OpenCL kernel implementations for common memory bandwidth limited linear algebra operations across different hardware generations of the same vendor as well as across vendors is studied. Certain combinations…

Mathematical Software · Computer Science 2022-11-03 Karl Rupp , Philippe Tillet , Florian Rudolf , Josef Weinbub , Tibor Grasser , Ansgar Jüngel

In recent years, the rapid advancement of deep neural networks (DNNs) has revolutionized artificial intelligence, enabling models with unprecedented capabilities in understanding, generating, and processing complex data. These powerful…

Machine Learning · Computer Science 2025-06-27 Zixian Wang , Cole Ramos , Muhammad A. Awad , Keith Lowery

Fine-tuning pre-trained large language models (LLMs) with limited hardware presents challenges due to GPU memory constraints. Various distributed fine-tuning methods have been proposed to alleviate memory constraints on GPU. However,…

Artificial Intelligence · Computer Science 2024-04-18 Taeho Kim , Yanming Wang , Vatshank Chaturvedi , Lokesh Gupta , Seyeon Kim , Yongin Kwon , Sangtae Ha

Large Language Models (LLMs) have showcased remarkable impacts across a wide spectrum of natural language processing tasks. Fine-tuning these pretrained models on downstream datasets provides further significant performance gains; however,…

Computation and Language · Computer Science 2026-03-19 Zhikai Li , Xiaoxuan Liu , Banghua Zhu , Zhen Dong , Qingyi Gu , Kurt Keutzer

Large Language Models (LLMs) have seen great advance in both academia and industry, and their popularity results in numerous open-source frameworks and techniques in accelerating LLM pre-training, fine-tuning, and inference. Training and…

Performance · Computer Science 2023-12-04 Longteng Zhang , Xiang Liu , Zeyu Li , Xinglin Pan , Peijie Dong , Ruibo Fan , Rui Guo , Xin Wang , Qiong Luo , Shaohuai Shi , Xiaowen Chu

Kernel development in deep learning requires optimizing computational units across hardware while balancing memory management, parallelism, and hardware-specific optimizations through extensive empirical tuning. Although domain-specific…

Machine Learning · Computer Science 2025-07-09 Shangzhan Li , Zefan Wang , Ye He , Yuxuan Li , Qi Shi , Jianling Li , Yonggang Hu , Wanxiang Che , Xu Han , Zhiyuan Liu , Maosong Sun

Advancements in large language models (LLMs) are showing promising impact in software development and programming assistance. However, these models struggle when operating on low-level backend code. This challenge is exacerbated in the…

Software Engineering · Computer Science 2025-12-23 Muhammad Usman Tariq , Abhinav Jangda , Angelica Moreira , Madan Musuvathi , Tyler Sorensen

Over recent years heterogeneous systems have become more prevalent across HPC systems, with over 100 supercomputers in the TOP500 incorporating GPUs or other accelerators. These hardware platforms have different performance characteristics…

Performance · Computer Science 2019-04-11 John Lawson , Mehdi Goli , Duncan McBain , Daniel Soutar , Louis Sugy

The efficiency of GPU kernels is central to the progress of modern AI, yet optimizing them remains a difficult and labor-intensive task due to complex interactions between memory hierarchies, thread scheduling, and hardware-specific…

Artificial Intelligence · Computer Science 2025-10-21 Juncheng Dong , Yang Yang , Tao Liu , Yang Wang , Feng Qi , Vahid Tarokh , Kaushik Rangadurai , Shuang Yang

Modern instruction-tuned large language models (LLMs) have made remarkable progress in code generation. However, these LLMs fine-tuned with standard supervised fine-tuning (SFT) sometimes generate plausible-looking but functionally…

Software Engineering · Computer Science 2026-01-14 Lishui Fan , Zhongxin Liu , Haoye Wang , Lingfeng Bao , Xin Xia , Shanping Li