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In the last decade, OpenCL has sparked the interest of the computing world as it is a language based on an open standard that can run on many different heterogeneous platforms. This standard is continuously evolving to adapt to various use cases of different platforms. For example, with requests from the FPGA community, the pipe construct was added to the standard to facilitate the implementation...
The ever rising energy and accordingly cooling demands are a major hurdle for the scalability of today's supercomputers. We are challenged with the need to increase computation performance to cope with the rising complexity of calculations on the one hand and the need to keep the energy/cooling demand stable or in the best case even to reduce it. Recently, one widely discussed way to do this is the...
Accelerators such as graphics processing units (GPUs) provide an inexpensive way of improving the performance of cluster systems. In such an arrangement, the individual nodes of the cluster are directly connected to one or more accelerator devices via PCI Express. This results in a static mapping of accelerators onto compute nodes, where each accelerator can only be accessed from exactly one compute...
Most modern multitasking operating systems assume that, in order to be fair, CPU time should be allocated equally to processes of the same priority. However, this assumption is no longer valid in a system with acceleration hardware, such as reconfigurable hardware (RH), if the goal is equal computation ability for the processes. A process that uses acceleration hardware such as RH can accomplish far...
Next generation Internet and wireless telecommunication networks compose a pervasive computing structure. Real large-scale tests, simulation and emulation are the major strategies to construct next generation testbed. Synchronization primitives are critical to ensure finite resource assesses. For performance load and utilization prediction, this research proposes a formal testbed abstraction and contention...
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