Search Results - "Peng, Ivy"

Enabling Scalable and Extensible Memory-Mapped Datastores in Userspace by Peng, Ivy B., Gokhale, Maya B., Youssef, Karim, Iwabuchi, Keita, Pearce, Roger

“…Exascale workloads are expected to incorporate data-intensive processing in close coordination with traditional physics simulations. These emerging scientific,…”
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Kub: Enabling Elastic HPC Workloads on Containerized Environments by Medeiros, Daniel, Wahlgren, Jacob, Schieffer, Gabin, Peng, Ivy

“…The conventional model of resource allocation in HPC systems is static. Thus, a job cannot leverage newly available resources in the system or release…”
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Scaling the Ion Inertial Length and Its Implications for Modeling Reconnection in Global Simulations by Tóth, Gábor, Chen, Yuxi, Gombosi, Tamas I., Cassak, Paul, Markidis, Stefano, Peng, Ivy Bo

“…We investigate the use of artificially increased ion and electron kinetic scales in global plasma simulations. We argue that as long as the global and ion…”
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tf-Darshan: Understanding Fine-grained I/O Performance in Machine Learning Workloads by Chien, Steven W. D., Podobas, Artur, Peng, Ivy B., Markidis, Stefano

“…Machine Learning applications on HPC systems have been gaining popularity in recent years. The upcoming large scale systems will offer tremendous parallelism…”
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sputniPIC: An Implicit Particle-in-Cell Code for Multi-GPU Systems by Chien, Steven W. D., Nylund, Jonas, Bengtsson, Gabriel, Peng, Ivy B., Podobas, Artur, Markidis, Stefano

“…Large-scale simulations of plasmas are essential for advancing our understanding of fusion devices, space, and astrophysical systems. Particle-in-Cell (PIC)…”
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Evaluating Emerging CXL-enabled Memory Pooling for HPC Systems by Wahlgren, Jacob, Gokhale, Maya, Peng, Ivy B.

“…Current HPC systems provide memory resources that are statically configured and tightly coupled with compute nodes. However, workloads on HPC systems are…”
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Performance Evaluation of Advanced Features in CUDA Unified Memory by Chien, Steven, Peng, Ivy, Markidis, Stefano

“…CUDA Unified Memory improves the GPU pro- grammability and also enables GPU memory oversubscription. Recently, two advanced memory features, memory advises and…”
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A Quantitative Approach for Adopting Disaggregated Memory in HPC Systems by Wahlgren, Jacob, Schieffer, Gabin, Gokhale, Maya, Peng, Ivy

“…Memory disaggregation has recently been adopted in data centers to improve resource utilization, motivated by cost and sustainability. Recent studies on…”
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On the Rise of AMD Matrix Cores: Performance, Power Efficiency, and Programmability by Schieffer, Gabin, De Medeiros, Daniel Araujo, Faj, Jennifer, Marathe, Aniruddha, Peng, Ivy

“…Matrix multiplication is a core computational part of deep learning and scientific workloads. The emergence of Matrix Cores in high-end AMD GPUs, a building…”
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Integration of Modern HPC Performance Tools in Vlasiator for Exascale Analysis and Optimization by Coti, Camille, Pfau-Kempf, Yann, Battarbee, Markus, Ganse, Urs, Shende, Sameer, Huck, Kevin, Rodriquez, Jordi, Kotipalo, Leo, Faj, Jennifer, Williams, Jeremy J., Peng, Ivy, Malony, Allen D., Markidis, Stefano, Palmroth, Minna

“…Key to the success of developing high-performance applications for present and future heterogeneous supercomputers will be the systematic use of measurement…”
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UMap: Enabling Application-driven Optimizations for Page Management by Peng, Ivy, McFadden, Marty, Green, Eric, Iwabuchi, Keita, Wu, Kai, Li, Dong, Pearce, Roger, Gokhale, Maya

“…Leadership supercomputers feature a diversity of storage, from node-local persistent memory and NVMe SSDs to network-interconnected flash memory and HDD…”
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On the Memory Underutilization: Exploring Disaggregated Memory on HPC Systems by Peng, Ivy, Pearce, Roger, Gokhale, Maya

“…Large-scale high-performance computing (HPC) systems consist of massive compute and memory resources tightly coupled in nodes. We perform a large-scale study…”
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Automatic Particle Trajectory Classification in Plasma Simulations by Markidis, Stefano, Peng, Ivy, Podobas, Artur, Jongsuebchoke, Itthinat, Bengtsson, Gabriel, Herman, Pawel

“…Numerical simulations of plasma flows are crucial for advancing our understanding of microscopic processes that drive the global plasma dynamics in fusion…”
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Understanding scale-dependent soft-error behavior of scientific applications by Kestor, Gokcen, Peng, Ivy Bo, Gioiosa, Roberto, Krishnamoorthy, Sriram

“…Analyzing application fault behavior on large-scale systems is time-consuming and resource-demanding. Currently, researchers need to perform fault injection…”
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Global Three‐Dimensional Simulation of Earth's Dayside Reconnection Using a Two‐Way Coupled Magnetohydrodynamics With Embedded Particle‐in‐Cell Model: Initial Results by Chen, Yuxi, Tóth, Gábor, Cassak, Paul, Jia, Xianzhe, Gombosi, Tamas I., Slavin, James A., Markidis, Stefano, Peng, Ivy Bo, Jordanova, Vania K., Henderson, Michael G.

“…We perform a three‐dimensional (3‐D) global simulation of Earth's magnetosphere with kinetic reconnection physics to study the flux transfer events (FTEs) and…”
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Enabling Scalable and Extensible Memory-mapped Datastores in Userspace by Peng, Ivy B., Gokhale, Maya B., Youssef, Karim, Iwabuchi, Keita, Pearce, Roger

“…Exascale workloads are expected to incorporate data-intensive processing in close coordination with traditional physics simulations. These emerging scientific,…”
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MAGNETIC NULL POINTS IN KINETIC SIMULATIONS OF SPACE PLASMAS by Olshevsky, Vyacheslav, Deca, Jan, Divin, Andrey, Peng, Ivy Bo, Markidis, Stefano, Innocenti, Maria Elena, Cazzola, Emanuele, Lapenta, Giovanni

“…ABSTRACT We present a systematic attempt to study magnetic null points and the associated magnetic energy conversion in kinetic particle-in-cell simulations of…”
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Extended Magnetohydrodynamics with Embedded Particle-in-Cell Simulation of Ganymede's Magnetosphere by Toth, Gabor, Jia, Xianzhe, Markidis, Stefano, Peng, Ivy Bo, Chen, Yuxi, Daldorff, Lars K. S., Tenishev, Valeriy M., Borovikov, Dmitry, Haiducek, John D., Gombosi, Tamas I., Glocer, Alex, Dorelli, John C.

“…We have recently developed a new modeling capability to embed the implicit particle-in-cell (PIC) model iPIC3D into the…”
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Efficient alarm behavior analytics for telecom networks by Wang, Jiantao, He, Caifeng, Liu, Yijun, Tian, Guangjian, Peng, Ivy, Xing, Jia, Ruan, Xiangbing, Xie, Haoran, Wang, Fu Lee

“…Locating network fault problems and filtering trivial alarms from important ones are the two main challenges in Network Operation Centers (NOCs). In this…”
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Idle Period Propagation in Message-Passing Applications by Bo Peng, Ivy, Markidis, Stefano, Laure, Erwin, Kestor, Gokcen, Gioiosa, Roberto

“…Idle periods on different processes of Message Passing applications are unavoidable. While the origin of idle periods on a single process is well understood as…”
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