Index Catalog // Arch : Northwestern University Institutional Repository

Scalable Parallel I/O in the Exa-scale Era

Description:: The speed of the storage device has long lagged behind the computation speed of processors.As a result, the I/O performance of storage systems in a supercomputer fails to keep up with its computational power. This gap continues to widen in modern supercomputers. On future exascale supercomputers, this issue can worsen...
Keyword:: HDF5, NetCDF, Compression, Log, HPC, and Parallel I/O
Subject:: Computer engineering
Creator:: Hou, Kaiyuan
Owner:: Scholarly Digital Publishing
Language:: en
Date Uploaded:: 05/31/2023
Date Created:: 2022-01-01
Resource Type:: Dissertation
Alternate Identifier:: etdadmin_upload_948756 and http://dissertations.umi.com/northwestern:16383

Learning from Limited and Imperfect Data in Cyber-Physical System

Description:: Machine learning is seeping into every fabric in various practical domains such as autonomous driving, wearable computing, and smart buildings. However, in the actual development and integration, especially when the learning-based components are frequently included as components of large complex systems where the physical instances can be included as interactable...
Keyword:: Transfer Learning, Reinforcement Learning, Computer Vision, Building HVAC Control, Image Classification, and Machine Learning
Subject:: Computer engineering and Computer science
Creator:: Xu, Shichao
Owner:: Scholarly Digital Publishing
Language:: en
Date Uploaded:: 05/31/2023
Date Created:: 2023-01-01
Resource Type:: Dissertation
Alternate Identifier:: etdadmin_upload_983783 and http://dissertations.umi.com/northwestern:16519

Scalable Parallel I/O in the Exa-scale Era

Description:: The speed of the storage device has long lagged behind the computation speed of processors.As a result, the I/O performance of storage systems in a supercomputer fails to keep up with its computational power. This gap continues to widen in modern supercomputers. On future exascale supercomputers, this issue can worsen...
Keyword:: HDF5, NetCDF, Compression, Log, HPC, and Parallel I/O
Subject:: Computer engineering
Creator:: Hou, Kaiyuan
Owner:: Scholarly Digital Publishing
Language:: en
Date Uploaded:: 03/24/2023
Date Created:: 2022-01-01
Resource Type:: Dissertation
Alternate Identifier:: etdadmin_upload_948756 and http://dissertations.umi.com/northwestern:16383

High-performance and Energy-efficient Computing Systems Using Photonics

Description:: Computer systems supported by photonic interconnects and photonic memory devices can reach performance and energy efficiency levels unattainable through purely electronic means across scales, from processor chips to the data center. However, the promised benefits cannot be realized through a simple replacement process; to reach their full potential, several aspects...
Keyword:: Emerging optical and photonic technologies, Data center network, Cache hierarchy, Nanophotonics, Network-on-Chip, and Optical interconnects
Subject:: Computer engineering
Creator:: Han, Haiyang
Owner:: Scholarly Digital Publishing
Language:: en
Date Uploaded:: 06/22/2022
Date Created:: 2022-01-01
Resource Type:: Dissertation
Alternate Identifier:: http://dissertations.umi.com/northwestern:16052 and etdadmin_upload_901541

Co-Design of Resilient Timing-Constrained Cyber-Physical Systems

Description:: Cyber-physical systems (CPS), as a multidisciplinary area, have been widely adopted in our daily life and attract experts from various fields. CPS aims to achieve real-time and resilient connection with physical world through integration of computation, communication and control technologies. Many CPS systems, such as automotive, avionics, and industrial system,...
Keyword:: cross-layer design, cyber-physical system, real-time system, and weakly-hard system
Subject:: Computer engineering
Creator:: Liang, Hengyi
Owner:: Scholarly Digital Publishing
Language:: en
Date Uploaded:: 10/06/2021
Date Created:: 2021-01-01
Resource Type:: Dissertation
Alternate Identifier:: etdadmin_upload_845636 and http://dissertations.umi.com/northwestern:15779

Low-Power Mixed-Signal Time-Domain Hardware Accelerator Design for Edge Computing and Machine Learning

Description:: While the entire silicon industry has been blooming under Moore’s Law for decades, conventional digital implementation is approaching the “stall” of Moore’s Law due to many physical design limitations. Technology innovation now is going to take a different direction. Given the increasing demand for emerging applications' computational capacity, it is...
Keyword:: computer architecture, mixed-signal time-domain computing, analog computing, machine learning , compute in memory (CIM), and image processing
Subject:: Electrical engineering, Computer engineering, and Engineering
Creator:: Chen, Zhengyu
Owner:: Scholarly Digital Publishing
Language:: en
Date Uploaded:: 02/01/2021
Date Created:: 2020-01-01
Resource Type:: Dissertation
Alternate Identifier:: http://dissertations.umi.com/northwestern:15414 and etdadmin_upload_780953

User Experience Aware System Optimizations for Mobile Systems

Description:: Over the last few years, understanding user experience within mobile systems has become a popular phenomenon as a means to manage hardware resources. Across the many issues being studied in this area, I focus on how to utilize user satisfaction in this dissertation. Notably, I examine user experience by incorporating...
Subject:: Computer engineering
Creator:: Poyraz, Ibrahim Emirhan
Owner:: Scholarly Digital Publishing
Language:: en
Date Uploaded:: 02/01/2021
Date Created:: 2020-01-01
Resource Type:: Dissertation
Alternate Identifier:: etdadmin_upload_758612 and http://dissertations.umi.com/northwestern:15207

Variants of MaxRS Queries for Trajectories, Shapes and Spatial Data Streams

Description:: We address the problem of efficient maintenance of the answer to a new type of query: Continuous Maximizing Range-Sum (Co-MaxRS) for moving objects trajectories. The traditional static/spatial MaxRS problem finds a location for placing the centroid of a given (axes-parallel) rectangle $R$ so that the sum of the weights of...
Keyword:: Maximizing Range-Sum Query, MaxRS3, Optimal Density Clustering, Bursty Updates, Moving Objects Trajectories, and MaxRS
Subject:: Mathematics, Computer engineering, and Computer science
Creator:: Mas-ud Hussain, Muhammed
Owner:: Scholarly Digital Publishing
Language:: en
Date Uploaded:: 02/12/2020
Date Created:: 2018-01-01
Resource Type:: Dissertation
Alternate Identifier:: http://dissertations.umi.com/northwestern:14445 and etdadmin_upload_625938

Real-time Control in Embedded Systems using Deep Neural Network-based Estimation Applied to Joule Heating

Description:: One method of cancer treatment is to thermally ablate (destroy) tumor masses using heat caused by electric current, or Joule heating. This particular modality is called radiofrequency ablation (RFA), due to the use of electric currents in the 100 kHz to 800 kHz frequency range. Computationally, RFA is simulated as...
Subject:: Computer engineering and Biomedical engineering
Creator:: Wang, Yearnchee
Owner:: Scholarly Digital Publishing
Language:: en
Date Uploaded:: 02/12/2020
Date Created:: 2019-01-01
Resource Type:: Dissertation
Alternate Identifier:: etdadmin_upload_667884 and http://dissertations.umi.com/northwestern:14709

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Scalable Parallel I/O in the Exa-scale Era

Learning from Limited and Imperfect Data in Cyber-Physical System

Scalable Parallel I/O in the Exa-scale Era

High-performance and Energy-efficient Computing Systems Using Photonics

Co-Design of Resilient Timing-Constrained Cyber-Physical Systems

Low-Power Mixed-Signal Time-Domain Hardware Accelerator Design for Edge Computing and Machine Learning

User Experience Aware System Optimizations for Mobile Systems

Variants of MaxRS Queries for Trajectories, Shapes and Spatial Data Streams

Real-time Control in Embedded Systems using Deep Neural Network-based Estimation Applied to Joule Heating

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