Every time you open a weather app, watch a video on youtube, or search the internet for the best Thai food near you, youre accessing and processing data with software stored on servers scattered around the world. This is what the tech industry calls the cloud.
Cloud computing hasnt just changed how we use our phones or store our pictures. It has also changed how research is conducted, allowing scientists to, essentially, rent the computers necessary to store and process massive amounts of data. They dont need to buy their own servers and banks of hard drivesthey just pay for cloud services when they need them.
But even using hundreds of powerful computers linked on the cloud, the calculations necessary to model the changing climate or discover new potential drugs can take weeks, or even months, to run.
Researchers at Northeastern, Boston University, and the University of Massachusetts Amherst, are working together to build their own cloud computing testbed, to find ways to make this technology more effective and efficient.
Were trying to push the edge of cloud computing, says Miriam Leeser, a professor of electrical and computer engineering at Northeastern. What should the next generation of cloud services look like?
Most cloud computing research is done by Google, Microsoft, and Amazon, says Peter Desnoyer, an associate professor of computer science, because those companies operate most cloud services.
The insights they get from operating these large systems and observing users needs are key to many advances, Desnoyer says. Yet theyre also cautious, because they dont want to disrupt service, making it hard for them to take large leaps.
This cloud computing testbed will allow researchers to develop new and innovative cloud services, and simultaneously provide those services to the broader research community.
Theres an infinite set of arbitrary things we could createsome of them are useful, most of them arent, Desnoyers says. Offering actual services to real users helps us find the innovations that are actually useful.
The researchers have received a grant from the National Science Foundation for up to $5 million over the next five years, shared among the universities. They will be integrating aspects of previous cloud research projects, including the Massachusetts Green High Performance Computing Center and Mass Open Cloud.
So far, Leeser and Desnoyers have been awarded more than $1 million to support their aspects of the research.
Leesers focus is on the hardware. To process large amounts of data, most current cloud computing systems rely on graphics-processing units, known as GPUs, which were originally developed to render images. These chips can perform multiple calculations simultaneously (researchers call this parallelism), which makes them useful for running scientific simulations, as well as video games.
People have gotten really good performance using GPUs, Leeser says. But they are also high power and the kind of parallelism they do is restricted.
For this new testbed, Leeser is installing more flexible chips called field-programmable gate arrays, or FPGAs. These computer chips are more energy-efficient than graphics processing units, and their circuits arent fixedthey can be reconfigured any number of times to suit a researchers needs.
Its hardware you can program like its software, Leeser says. You can build a complete architecture thats designed for the problem that you want to solve. Its much more adaptive
Desnoyers is working on the software, finding ways for researchers to efficiently share resources without interfering with each other. To effectively serve the larger community, the testbed must be able to temporarily isolate computers working on a specific problem or redirect resources from one group to another, while maintaining a secure system.
Were trying to unify it in a way that can handle the radically different ways that researchers use these systems, Desnoyers says. You cant make something that works for everyone, but you can do a lot better than we do today. And the advantages are not just being able to operate your computers more efficiently; theres also a huge gain in scientific collaboration that comes when scientists from different fields work together on these systems.
The project is just getting started, but the plan is to grow it into a testbed that will support researchers around the country.
The academic community has always had a strong role in the evolution of these technologies, Desnoyers says. Our goal is to enable computer scientists across all of this community to work on the research that will build the cloud of the future.
For media inquiries, please contact media@northeastern.edu.
Originally posted here:
The future of computing is a better, faster cloud - News@Northeastern
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