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Dataflow process networks provide a versatile model of computation for specifying signal processing applications in a platform independent fashion. This attractive feature of dataflow has lately been realized in dataflow programming tools that allow synthesizing the same application specification as both fixed hardware circuits and as software for programmable processors. However, in practice, the...
In this paper, we investigate the opportunities offered by floating-point arithmetics in enabling an assembly and intrinsics free high-level language based development. We compare the characteristics of floating- and fixed-point arithmetics by simulating a MIMO-OFDM soft output detector in a 3G LTE link level simulator. The hardware complexity and energy dissipation are analyzed by implementing three...
Most video applications use specific application programming interfaces to achieve the desired functionalities. Implementing interface backends with hardware is often too expensive for low-end mobile devices, so most of the devices cope with highly optimized software implementations that employ special instruction sets. The most common approach is the utilization of SIMD processing units such as ARM...
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