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Regular diurnal patterns are often seen in the workloads of cloud-based online applications. This kind of non-stationary workloads changes the processing demands over time. To run application services with minimum costs, the number of cloud instances can be dynamically adjusted according to the workload variations. Recently, a new type of scheduled instances has emerged in the Infrastructure-as-a-Service...
This paper introduces a strategy to accelerate neighbor searching in agent-based simulations on GPU platforms. Because of their autonomous nature, agents can be processed by threads concurrently on GPU, and the overall simulation can be accelerated consequently. Each agent will simultaneously carry out a sense-think-act cycle in every time step. The neighbor searching is a crucial part in the sensing...
Cooperative resource sharing enables distinct organizations to form a federation of computing resources. The motivation behind cooperation is that organizations are likely to serve each other by trading unused CPU cycles given the existence of irregular usage patterns of their local resources. In this way, resource sharing would enable organizations to purchase resources at a feasible level while...
In a virtual organization, physical organizations share their resources when organizations to save on their investment of computing resources. Sporadic contention is caused by on-demand requests when organizations seek to consume large amounts of resource from each other. For this reason, admission control mechanisms need to be incorporated to prevent oversubscription of shared resources. The major...
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