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While the cost of computation is an easy to understand local property, the cost of data movement on cached architectures depends on global state, does not compose, and is hard to predict. As a result, programmers often fail to consider the…

性能 · 计算机科学 2020-01-07 Tobias Gysi , Tobias Grosser , Laurin Brandner , Torsten Hoefler

The rapid adoption of large language models (LLMs) is pushing AI accelerators toward increasingly powerful and specialized designs. Instead of further complicating software development with deeply hierarchical scratchpad memories (SPMs) and…

硬件体系结构 · 计算机科学 2025-12-09 Zhongchun Zhou , Chengtao Lai , Yuhang Gu , Wei Zhang

In this paper, we propose a practical and effective approach allowing designers to optimize multi-level cache size at the early system design phase. Our key contribution is to generalize the reuse distance analysis method and develop an…

硬件体系结构 · 计算机科学 2021-09-13 Cheng-Lin Tsai , Ren-Song Tsay

We introduce DEIM, an innovative and efficient training framework designed to accelerate convergence in real-time object detection with Transformer-based architectures (DETR). To mitigate the sparse supervision inherent in one-to-one (O2O)…

计算机视觉与模式识别 · 计算机科学 2025-03-27 Shihua Huang , Zhichao Lu , Xiaodong Cun , Yongjun Yu , Xiao Zhou , Xi Shen

As a fundamental backbone for video generation, diffusion models are challenged by low inference speed due to the sequential nature of denoising. Previous methods speed up the models by caching and reusing model outputs at uniformly…

计算机视觉与模式识别 · 计算机科学 2025-03-19 Feng Liu , Shiwei Zhang , Xiaofeng Wang , Yujie Wei , Haonan Qiu , Yuzhong Zhao , Yingya Zhang , Qixiang Ye , Fang Wan

In the case of compute-intensive machine learning, efficient operating system scheduling is crucial for performance and energy efficiency. This paper conducts a comparative study over FIFO(First-In-First-Out) and RR(Round-Robin) scheduling…

操作系统 · 计算机科学 2024-09-25 Malobika Roy Choudhury , Akshat Mehrotra

The performance of data intensive applications is often dominated by their input/output (I/O) operations but the I/O stack of systems is complex and severely depends on system specific settings and hardware components. This situation makes…

性能 · 计算机科学 2023-06-12 Masoud Gholami , Florian Schintke

Diffusion Transformer (DiT) is a crucial method for content generation. However, it needs a lot of time to sample. Many studies have attempted to use caching to reduce the time consumption of sampling. Existing caching methods accelerate…

计算机视觉与模式识别 · 计算机科学 2025-07-21 Junxiang Qiu , Shuo Wang , Jinda Lu , Lin Liu , Houcheng Jiang , Xingyu Zhu , Yanbin Hao

This paper proposes to use a frequency based cache admission policy in order to boost the effectiveness of caches subject to skewed access distributions. Given a newly accessed item and an eviction candidate from the cache, our scheme…

操作系统 · 计算机科学 2015-12-04 Gil Einziger , Roy Friedman , Ben Manes

Embedded system software is highly constrained from performance, memory footprint, energy consumption and implementing cost view point. It is always desirable to obtain better Instructions per Cycle. Instruction cache has major contribution…

性能 · 计算机科学 2013-12-10 Rajendra Patel , Arvind Rajawat

We study matrix-matrix multiplication of two matrices, $A$ and $B$, each of size $n \times n$. This operation results in a matrix $C$ of size $n\times n$. Our goal is to produce $C$ as efficiently as possible given a cache: a 1-D limited…

数据结构与算法 · 计算机科学 2023-11-15 Neil Bhavikatti

To mitigate the performance gap between CPU and the main memory, multi-level cache architectures are widely used in modern processors. Therefore, modeling the behaviors of the downstream caches becomes a critical part of the processor…

硬件体系结构 · 计算机科学 2020-10-13 Ming Ling , Jiancong Ge , Guangmin Wang

Federated Learning (FL) allows multiple distributed devices to jointly train a shared model without centralizing data, but communication cost remains a major bottleneck, especially in resource-constrained environments. This paper introduces…

分布式、并行与集群计算 · 计算机科学 2025-07-25 Ahmad Alhonainy , Praveen Rao

Incrementalization speeds up computations by avoiding unnecessary recomputations and by efficiently reusing previous results. While domain-specific techniques achieve impressive speedups, e.g., in the context of database queries, they are…

编程语言 · 计算机科学 2026-05-26 Timon Böhler , Tobias Reinhard , David Richter , Mira Mezini

DNN workloads can be scheduled onto DNN accelerators in many different ways: from layer-by-layer scheduling to cross-layer depth-first scheduling (a.k.a. layer fusion, or cascaded execution). This results in a very broad scheduling space,…

硬件体系结构 · 计算机科学 2024-06-17 Linyan Mei , Koen Goetschalckx , Arne Symons , Marian Verhelst

We present a hierarchical simulation approach for the dependability analysis and evaluation of a highly available commercial cache-based RAID storage system. The archi-tecture is complex and includes several layers of overlap-ping error…

性能 · 计算机科学 2007-05-23 Mohamed Kaaniche , Luigi Romano , Zbigniew Kalbarczyk , Ravishankar Iyer , Rick Karcich

Diffusion Policies have become widely used in Imitation Learning, offering several appealing properties, such as generating multimodal and discontinuous behavior. As models are becoming larger to capture more complex capabilities, their…

机器学习 · 计算机科学 2024-12-18 Moritz Reuss , Jyothish Pari , Pulkit Agrawal , Rudolf Lioutikov

Caching is crucial for enabling high-throughput networks for data intensive applications. Traditional caching technology relies on DRAM, as it can transfer data at a high rate. However, DRAM capacity is subject to contention by most system…

网络与互联网体系结构 · 计算机科学 2023-10-12 Faruk Volkan Mutlu , Edmund Yeh

Modern and future processors need to remain functionally correct in the presence of permanent faults to sustain scaling benefits and limit field returns. This paper presents a combined analytical and microarchitectural simulation-based…

性能 · 计算机科学 2022-06-24 Panagiota Nikolaou , Yiannakis Sazeides , Maria K. Michael

Simulating a single trajectory of a dynamical system under some state-dependent policy is a core bottleneck in policy optimization (PO) algorithms. The many inherently serial policy evaluations that must be performed in a single simulation…

人工智能 · 计算机科学 2025-02-18 Vivek Farias , Joren Gijsbrechts , Aryan Khojandi , Tianyi Peng , Andrew Zheng