A Framework for Providing Quality of Service in Chip Multi-Processors

The trends in enterprise IT toward service-oriented computing, server consolidation, and virtual computing point to a future in which workloads are becoming increasingly diverse in terms of performance, reliability, and availability requirements. It can be expected that more and more applications with diverse requirements will run on a CMP and share platform resources such as the lowest level cache and off-chip bandwidth. In this environment, it is desirable to have microarchitecture and software support that can provide a guarantee of a certain level of performance, which the authors refer to as performance Quality of Service. In this paper, they investigated a framework that would be needed for a CMP to fully provide QoS.