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POMACS V8, N1, March 2024 Editorial
The Proceedings of the ACM on Measurement and Analysis of Computing Systems (POMACS) focuses on the measurement and performance evaluation of computer systems and operates in close collaboration with the ACM Special Interest Group SIGMETRICS. All papers ...
StarShip: Mitigating I/O Bottlenecks in Serverless Computing for Scientific Workflows
This work highlights the significance of I/O bottlenecks that data-intensive HPC workflows face in serverless environments - an issue that has been largely overlooked by prior works. To address this challenge, we propose a novel framework, StarShip, ...
Who's Got My Back? Measuring the Adoption of an Internet-wide BGP RTBH Service
Distributed Denial-of-Service (DDoS) attacks continue to threaten the availability of Internet-based services. While countermeasures exist to decrease the impact of these attacks, not all operators have the resources or knowledge to deploy them. ...
Online Allocation with Replenishable Budgets: Worst Case and Beyond
This paper studies online resource allocation with replenishable budgets, where budgets can be replenished on top of the initial budget and an agent sequentially chooses online allocation decisions without violating the available budget constraint at ...
Scalability Limitations of Processing-in-Memory using Real System Evaluations
- Gilbert Jonatan,
- Haeyoon Cho,
- Hyojun Son,
- Xiangyu Wu,
- Neal Livesay,
- Evelio Mora,
- Kaustubh Shivdikar,
- José L. Abellán,
- Ajay Joshi,
- David Kaeli,
- John Kim
Processing-in-memory (PIM), where the compute is moved closer to the memory or the data, has been widely explored to accelerate emerging workloads. Recently, different PIM-based systems have been announced by memory vendors to minimize data movement and ...
Machine Learning Systems are Bloated and Vulnerable
- Huaifeng Zhang,
- Mohannad Alhanahnah,
- Fahmi Abdulqadir Ahmed,
- Dyako Fatih,
- Philipp Leitner,
- Ahmed Ali-Eldin
Today's software is bloated with both code and features that are not used by most users. This bloat is prevalent across the entire software stack, from operating systems and applications to containers. Containers are lightweight virtualization ...
Shrinking VOD Traffic via Rényi-Entropic Optimal Transport
In response to the exponential surge in Internet Video on Demand (VOD) traffic, numerous research endeavors have concentrated on optimizing and enhancing infrastructure efficiency. In contrast, this paper explores whether users' demand patterns can be ...
Thorough Characterization and Analysis of Large Transformer Model Training At-Scale
- Scott Cheng,
- Jun-Liang Lin,
- Murali Emani,
- Siddhisanket Raskar,
- Sam Foreman,
- Zhen Xie,
- Venkatram Vishwanath,
- Mahmut Taylan Kandemir
Large transformer models have recently achieved great success across various domains. With a growing number of model parameters, a large transformer model training today typically involves model sharding, data parallelism, and model parallelism. Thus, ...
Heavy-Traffic Optimal Size- and State-Aware Dispatching
Dispatching systems, where arriving jobs are immediately assigned to one of multiple queues, are ubiquitous in computer systems and service systems. A natural and practically relevant model is one in which each queue serves jobs in FCFS (First-Come First-...
SCADA World: An Exploration of the Diversity in Power Grid Networks
Despite a growing interest in understanding the industrial control networks that monitor and control our critical infrastructures (such as the power grid), to date, SCADA networks have been analyzed in isolation from each other. They have been treated as ...
NetDiffusion: Network Data Augmentation Through Protocol-Constrained Traffic Generation
- Xi Jiang,
- Shinan Liu,
- Aaron Gember-Jacobson,
- Arjun Nitin Bhagoji,
- Paul Schmitt,
- Francesco Bronzino,
- Nick Feamster
Datasets of labeled network traces are essential for a multitude of machine learning (ML) tasks in networking, yet their availability is hindered by privacy and maintenance concerns, such as data staleness. To overcome this limitation, synthetic network ...
H3DM: A High-bandwidth High-capacity Hybrid 3D Memory Design for GPUs
- Negar Akbarzadeh,
- Sina Darabi,
- Atiyeh Gheibi-Fetrat,
- Amir Mirzaei,
- Mohammad Sadrosadati,
- Hamid Sarbazi-Azad
Graphics Processing Units (GPUs) are widely used for modern applications with huge data sizes. However, the performance benefit of GPUs is limited by their memory capacity and bandwidth. Although GPU vendors improve memory capacity and bandwidth using 3D ...
Democratizing LEO Satellite Network Measurement
Low Earth Orbit (LEO) satellite networks are quickly gaining traction with promises of impressively low latency, high bandwidth, and global reach. However, the research community knows relatively little about their operation and performance in practice. ...
Approximations to Study the Impact of the Service Discipline in Systems with Redundancy
As job redundancy has been recognized as an effective means to improve performance of large-scale computer systems, queueing systems with redundancy have been studied by various authors. Existing results include methods to compute the queue length ...
Deep Dive into NTP Pool's Popularity and Mapping
- Giovane C. M. Moura,
- Marco Davids,
- Caspar Schutijser,
- Cristian Hesselman,
- John Heidemann,
- Georgios Smaragdakis
Time synchronization is of paramount importance on the Internet, with the Network Time Protocol (NTP) serving as the primary synchronization protocol. The NTP Pool, a volunteer-driven initiative launched two decades ago, facilitates connections between ...
Xaminer: An Internet Cross-Layer Resilience Analysis Tool
A resilient Internet infrastructure is critical in our highly interconnected society. However, the Internet faces several vulnerabilities, ranging from natural disasters to human activities, that can impact the physical layer and, in turn, the higher ...
Fair Resource Allocation in Virtualized O-RAN Platforms
O-RAN systems and their deployment in virtualized general-purpose computing platforms (O-Cloud) constitute a paradigm shift expected to bring unprecedented performance gains. However, these architectures raise new implementation challenges and threaten ...