Explanipedia

TextPixs: Glyph-Conditioned Diffusion with Character-Aware Attention and OCR-Guided Supervision Open

Syeda Anshrah Gillani, Mirza Rafi Baig, Omer Khan, Shahid Munir Shah, Umema Mujeeb , et al. · 2025

The modern text-to-image diffusion models boom has opened a new era in digital content production as it has proven the previously unseen ability to produce photorealistic and stylistically diverse imagery based on the semantics of natural-…

OPMOS: Ordered Parallel Algorithm for Multi-Objective Shortest-Paths Open

Leo Gold, Adam Bienkowski, David Sidoti, Krishna R. Pattipati, Omer Khan · 2024

The Multi-Objective Shortest-Path (MOS) problem finds a set of Pareto-optimal solutions from a start node to a destination node in a multi-attribute graph. The literature explores multi-objective A*-style algorithmic approaches to solving …

Author Index Open

A Chhabria, Byeong‐il Ahn, Jung Min Ahn, Amro Awad, Deanna Berger , et al. · 2024

MaxK-GNN: Extremely Fast GPU Kernel Design for Accelerating Graph Neural Networks Training Open

Hongwu Peng, Xie Xi, Kaustubh Shivdikar, MD Amit Hasan, Jiahui Zhao , et al. · 2023

In the acceleration of deep neural network training, the GPU has become the mainstream platform. GPUs face substantial challenges on GNNs, such as workload imbalance and memory access irregularities, leading to underutilized hardware. Exis…

Accel-GCN: High-Performance GPU Accelerator Design for Graph Convolution Networks Open

Xie Xi, Hongwu Peng, Amit Hasan, Shaoyi Huang, Jiahui Zhao , et al. · 2023

Graph Convolutional Networks (GCNs) are pivotal in extracting latent information from graph data across various domains, yet their acceleration on mainstream GPUs is challenged by workload imbalance and memory access irregularity. To addre…

Secure Remote Attestation With Strong Key Insulation Guarantees Open

Deniz Gurevin, Chenglu Jin, Phuong Ha Nguyen, Omer Khan, Marten van Dijk · 2023

Secure processors with hardware-enforced isolation are crucial for secure cloud computation. However, commercial secure processors have underestimated the capabilities of attackers and failed to provide secure execution environments capabl…

Program Committee Open

Alexandra Ferrerón, Ananda Google, Anthony Samajdar, Arun Rodrigues, S. Asgari , et al. · 2023

ASM: An Adaptive Secure Multicore for Co-located Mutually Distrusting Processes Open

Abdul Rasheed Sahni, Hamza Omar, Usman Ali, Omer Khan · 2023

With the ever-increasing virtualization of software and hardware, the privacy of user-sensitive data is a fundamental concern in computation outsourcing. Secure processors enable a trusted execution environment to guarantee security proper…

Towards Real-Time Temporal Graph Learning Open

Deniz Gurevin, Mohsin Shan, Tong Geng, Weiwen Jiang, Caiwen Ding , et al. · 2022

In recent years, graph representation learning has gained significant popularity, which aims to generate node embeddings that capture features of graphs. One of the methods to achieve this is employing a technique called random walks that …

Towards Sparsification of Graph Neural Networks Open

Hongwu Peng, Deniz Gurevin, Shaoyi Huang, Tong Geng, Weiwen Jiang , et al. · 2022

As real-world graphs expand in size, larger GNN models with billions of parameters are deployed. High parameter count in such models makes training and inference on graphs expensive and challenging. To reduce the computational and memory c…

Secure Remote Attestation with Strong Key Insulation Guarantees Open

Deniz Gurevin, Chenglu Jin, Phuong Ha Nguyen, Omer Khan, Marten van Dijk · 2022

Recent years have witnessed a trend of secure processor design in both academia and industry. Secure processors with hardware-enforced isolation can be a solid foundation of cloud computation in the future. However, due to recent side-chan…

HD-CPS: Hardware-assisted Drift-aware Concurrent Priority Scheduler for Shared Memory Multicores Open

Mohsin Shan, Omer Khan · 2021

Efficiently exploiting parallelism remains a challenging problem in multicore processors. For many algorithms, executing tasks in some priority order results in a work efficient execution. However, searching high-priority tasks requires co…

HD-CPS: Hardware-assisted Drift-aware Concurrent Priority Scheduler for Shared Memory Multicores Open

Mohsin Shan, Omer Khan · 2021

Efficiently exploiting parallelism remains a challenging problem in multicore processors. For many algorithms, executing tasks in some priority order results in a work efficient execution. However, searching high-priority tasks requires co…

Message from the General Chairs Open

Omer Khan, Ravi Soundararajan · 2021

On behalf of the organizing committee, we are pleased to welcome you to the 17th IEEE International Symposium on Workload Characterization (IISWC-2021), conducted virtually from November 7-9, 2021. IISWC is a premier international forum fo…

PRISM Open

Hamza Omar, Omer Khan · 2021

Multicores increasingly deploy safety-critical parallel applications that demand resiliency against soft-errors to satisfy the safety standards. However, protection against these errors is challenging due to complex communication and data …

External Review Committee Open

Almutaz Adileh, Huawei Akram, Erik Altman, Pradip Bose, Maurício Breternitz , et al. · 2021

Knowledge Management: Document Similarity Based Recommendation Open

Omer Khan · 2021

Futurice works on developing and designing digital services and products. Its an innovative organization which invests its expertise and experience in promoting and creating a knowledge management system powered by data and artificial inte…

Program Committee : IISWC 2020 Open

David Kaeli, Devesh Tiwari, Abhishek Chandra, André Brinkmann, Angeliki Kritikakou , et al. · 2020

Program Committee Open

Aasheesh Kolli, Penn State, Alexandra Ferrerón, Alexandros Google, Andrew Lukefahr , et al. · 2020

Accelerating relax-ordered task-parallel workloads using multi-level dependency checking Open

Masab Ahmad, Mohsin Shan, Akif Rehman, Omer Khan · 2020

Work-efficient task-parallel algorithms enforce ordered execution of tasks using priority schedulers. These algorithms suffer from limited parallelism due to data movement and synchronization bottlenecks. State-of-the-art priority schedule…

Exploring accelerator and parallel graph algorithmic choices for temporal graphs Open

Akif Rehman, Masab Ahmad, Omer Khan · 2020

Many real-world systems utilize graphs that are time-varying in nature, where edges appear and disappear with respect to time. Moreover, the weights of different edges are also a function of time. Various conventional graph algorithms, suc…

Program Committee Open

Michel A. Kinsy, Amro Awad, Lide Duan, Xu Liu, Williams Mary , et al. · 2020

IRONHIDE: A Secure Multicore that Efficiently Mitigates Microarchitecture State Attacks for Interactive Applications Open

Hamza Omar, Omer Khan · 2020

Microprocessors enable aggressive hardware virtualization by means of which multiple processes temporally execute on the system. These security-critical and ordinary processes interact with each other to assure application progress. Howeve…

IRONHIDE: A Secure Multicore that Efficiently Mitigates\n Microarchitecture State Attacks for Interactive Applications Open

Hamza Omar, Omer Khan · 2019

Microprocessors enable aggressive hardware virtualization by means of which\nmultiple processes temporally execute on the system. These security-critical\nand ordinary processes interact with each other to assure application progress.\nHow…

IRONHIDE: A Secure Multicore Architecture that Leverages Hardware Isolation Against Microarchitecture State Attacks. Open

Hamza Omar, Omer Khan · 2019

Modern microprocessors enable aggressive hardware virtualization that exposes the microarchitecture state of the processor due to temporal sharing of hardware resources. This paper proposes a novel secure multicore architecture, IRONHIDE t…

Guest Editors Introduction: Special Section on Emerging Technologies in Computer Design Open

Ozgur Sinanoglu, Omer Khan · 2019

The papers in this special section were presented at the IEEE International Conference on Computer Design (ICCD).

Accelerating Synchronization Using Moving Compute to Data Model at 1,000-core Multicore Scale Open

Halit Dogan, Masab Ahmad, Brian Kahne, Omer Khan · 2019

Thread synchronization using shared memory hardware cache coherence paradigm is prevalent in multicore processors. However, as the number of cores increase on a chip, cache line ping-pong prevents performance scaling for algorithms that de…

Declarative Resilience Open

Hamza Omar, Qingchuan Shi, Masab Ahmad, Halit Dogan, Omer Khan · 2018

To protect multicores from soft-error perturbations, research has explored various resiliency schemes that provide high soft-error coverage. However, these schemes incur high performance and energy overheads. We observe that not all soft-e…

Exploiting the Tradeoff between Program Accuracy and Soft-error Resiliency Overhead for Machine Learning Workloads Open

Qingchuan Shi, Hamza Omar, Omer Khan · 2017

To protect multicores from soft-error perturbations, resiliency schemes have been developed with high coverage but high power and performance overheads. Emerging safety-critical machine learning applications are increasingly being deployed…

Revisiting Definitional Foundations of Oblivious RAM for Secure Processor Implementations Open

Syed Kamran Haider, Omer Khan, Marten van Dijk · 2017

Oblivious RAM (ORAM) is a renowned technique to hide the access patterns of an application to an untrusted memory. According to the standard ORAM definition presented by Goldreich and Ostrovsky, two ORAM access sequences must be computatio…

Omer Khan YOU? Author Swipe