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Diverse IP cores are integrated on a modern system-on-chip and share resources. Off-chip memory bandwidth is often the scarcest resource and requires careful allocation. Two of the most important cores, the CPU and the GPU, can both simultaneously demand high bandwidth. We demonstrate that conventional quality-of-service allocation techniques can severely constrict GPU performance by allowing the...
AMD's first Fusion Accelerated Processor Unit (APU) codenamed "Zacate" combines a pair of x86 CPUs cores codenamed "Bobcat", 1MB L2 Cache, Client Northbridge (CNB), with a DirectX" 11 Radeon™ HD5000 graph ics/multimedia controller on a single die. The CNB provides an interface to a sin gle 64b DDR3 memory channel, which can operate at up to DDR3-1066. The Fusion architecture...
Graphics processor (GPU) architectures have evolved rapidly in recent years with increasing performance demanded by 3D graphics applications such as games. However, challenges exist in integrating complex GPUs into mobile devices because of power and energy constraints, motivating the need for energy efficiency in GPUs. While a significant amount of power optimisation research effort has concentrated...
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