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To consider QoS for resource-limited mobile systems, we introduce a fast preemption mechanism on GPUs. First, we involve a dual-kernel execution model to support fine-grained preemption, and a resource allocation policy to avoid resource fragmentation problem. Second, we propose a preemption victim selection scheme to reduce the throughput overhead while satisfying a required preemption latency. Evaluations...
The increased popularity of over-the-top (OTT) services such as voice calls and text messaging popular has a great impact on the business of traditional telecom operations. It is important for a telecommunications company to maximize resource utilization so as to decrease OPEX/CAPEX (Operating Expense/Capital Expenditure). On the other hand, the deployment of a variety of digital services for broadband...
Shared last-level cache (LLC) management is a critical design issue for heterogeneous multi-cores. In this paper, we observe two major challenges: the contribution of LLC latency to overall performance varies among applications/cores and also across time; overlooking the off-chip latency factor often leads to adverse effects on overall performance. Hence, we propose a Latency Sensitivity-based Cache...
Multi-Processor System-on-Chips (MPSoCs) exploit task-level parallelism to achieve high computation throughput, but concurrent memory accesses from multiple PEs may cause memory bottleneck. Therefore, to maximize system performance, it is important to simultaneously consider the PE and on-chip memory architecture design. However, in a traditional MPSoC design flow, PE allocation and on-chip memory...
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