71 citations · 297 across the 18 of their papers we have counts for
18 papers
CASPER: Carbon-Aware Scheduling and Provisioning for Distributed Web Services
Abel Souza, Shruti Jasoria, Basundhara Chakrabarty +6
There has been a significant societal push towards sustainable practices, including in computing. Modern interactive workloads such as geo-distributed web-services exhibit various…
Carbon Containers: A System-level Facility for Managing Application-level Carbon Emissions
John Thiede, Noman Bashir, David Irwin +1
To reduce their environmental impact, cloud datacenters' are increasingly focused on optimizing applications' carbon-efficiency, or work done per mass of carbon emitted. To facilit…
WattScope: Non-intrusive Application-level Power Disaggregation in Datacenters
Xiaoding Guan, Noman Bashir, David Irwin +1
Datacenter capacity is growing exponentially to satisfy the increasing demand for emerging computationally-intensive applications, such as deep learning. This trend has led to conc…
Untangling Carbon-free Energy Attribution and Carbon Intensity Estimation for Carbon-aware Computing
Diptyaroop Maji, Noman Bashir, David Irwin +2
Many organizations, including governments, utilities, and businesses, have set ambitious targets to reduce carbon emissions for their Environmental, Social, and Governance (ESG) go…
On the Promise and Pitfalls of Optimizing Embodied Carbon
Noman Bashir, David Irwin, Prashant Shenoy
To halt further climate change, computing, along with the rest of society, must reduce, and eventually eliminate, its carbon emissions. Recently, many researchers have focused on e…
On the Limitations of Carbon-Aware Temporal and Spatial Workload Shifting in the Cloud
Thanathorn Sukprasert, Abel Souza, Noman Bashir +2
Cloud platforms have been focusing on reducing their carbon emissions by shifting workloads across time and locations to when and where low-carbon energy is available. Despite the…
Jointly Managing Electrical and Thermal Energy in Solar- and Battery-powered Computer Systems
Noman Bashir, Yasra Chandio, David Irwin +3
Environmentally-powered computer systems operate on renewable energy harvested from their environment, such as solar or wind, and stored in batteries. While harvesting environmenta…
CarbonScaler: Leveraging Cloud Workload Elasticity for Optimizing Carbon-Efficiency
Walid A. Hanafy, Qianlin Liang, Noman Bashir +2
Cloud platforms are increasing their emphasis on sustainability and reducing their operational carbon footprint. A common approach for reducing carbon emissions is to exploit the t…
Ecovisor: A Virtual Energy System for Carbon-Efficient Applications
Abel Souza, Noman Bashir, Jorge Murillo +4
Cloud platforms' rapid growth is raising significant concerns about their carbon emissions. To reduce emissions, future cloud platforms will need to increase their reliance on rene…
Sustainable Computing -- Without the Hot Air
Noman Bashir, David Irwin, Prashant Shenoy +1
The demand for computing is continuing to grow exponentially. This growth will translate to exponential growth in computing's energy consumption unless improvements in its energy-e…
Enabling Sustainable Clouds: The Case for Virtualizing the Energy System
Noman Bashir, Tian Guo, Mohammad Hajiesmaili +5
Cloud platforms' growing energy demand and carbon emissions are raising concern about their environmental sustainability. The current approach to enabling sustainable clouds focuse…
Peak Forecasting for Battery-based Energy Optimizations in Campus Microgrids
Akhil Soman, Amee Trivedi, David Irwin +3
Battery-based energy storage has emerged as an enabling technology for a variety of grid energy optimizations, such as peak shaving and cost arbitrage. A key component of battery-d…
No Reservations: A First Look at Amazon's Reserved Instance Marketplace
Pradeep Ambati, David Irwin, Prashant Shenoy
Cloud users can significantly reduce their cost (by up to 60\%) by reserving virtual machines (VMs) for long periods (1 or 3 years) rather than acquiring them on demand. Unfortunat…
Emission-aware Energy Storage Scheduling for a Greener Grid
Rishikesh Jha, Stephen Lee, Srinivasan Iyengar +3
Reducing our reliance on carbon-intensive energy sources is vital for reducing the carbon footprint of the electric grid. Although the grid is seeing increasing deployments of clea…
SunDown: Model-driven Per-Panel Solar Anomaly Detection for Residential Arrays
Menghong Feng, Noman Bashir, Prashant Shenoy +2
There has been significant growth in both utility-scale and residential-scale solar installations in recent years, driven by rapid technology improvements and falling prices. Unlik…
Hedge Your Bets: Optimizing Long-term Cloud Costs by Mixing VM Purchasing Options
Pradeep Ambati, Noman Bashir, David Irwin +2
Cloud platforms offer the same VMs under many purchasing options that specify different costs and time commitments, such as on-demand, reserved, sustained-use, scheduled reserve, t…
AI on the Edge: Rethinking AI-based IoT Applications Using Specialized Edge Architectures
Qianlin Liang, Prashant Shenoy, David Irwin
Edge computing has emerged as a popular paradigm for supporting mobile and IoT applications with low latency or high bandwidth needs. The attractiveness of edge computing has been…
Portfolio-driven Resource Management for Transient Cloud Servers
Prateek Sharma, David Irwin, Prashant Shenoy
Cloud providers have begun to offer their surplus capacity in the form of low-cost transient servers, which can be revoked unilaterally at any time. While the low cost of transient…