Weisong Shi

Energy Proportional Servers: Where Are We in 2016?

2017

The huge energy consumption in data centers produces not only high electricity bill but also tremendous carbon footprints. Although today's servers and data centers of leading internet companies are more energy efficient than ever before, …

Characterizing the Effectiveness of Query Optimizer in Spark

2018

In the big data community, Spark has been widely used for processing interactive queries. Spark employs a query optimizer, called Catalyst, to provides a set of optimization rules and supports Cost-Based Optimization (CBO). In this …

SEGMENT+: Long Text Processing with Short-Context Language Models

2024 · arXiv (Cornell University)

There is a growing interest in expanding the input capacity of language models (LMs) across various domains. However, simply increasing the context window does not guarantee robust performance across diverse long-input processing tasks, such as …

Prioritizing Computing Research to Empower and Protect Vulnerable Populations

2025 · arXiv (Cornell University)

Technology can pose signicant risks to a wide array of vulnerable populations. However, by addressing the challenges and opportunities in technology design, research, and deployment, we can create systems that benet everyone, fostering a society …