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The exigency for heterogeneous many-core systems has brought an exponential growth in the complexity of their interconnections. In this manner, other Network-on-Chip (NoC) alternatives are being sought to attend the requirements in terms of power consumption and performance. Nevertheless, several of these proposals present very complex architectures, with virtual channels, tables and extra controls...
Networks-on-chip has been seen as an interconnect solution for complex systems. However, performance and energy issues still represent limiting factors for Multi-Processors System-on-Chip (MPSoC). Complex router architectures can be prohibitive for the embedded domain, once they dissipate too much power and energy. In this paper we propose a low power hierarchical network topology with GALS interfaces,...
Fueled by the exponential growth in transistors available to processor designers, cache memories became a very significant percentage of the overall area, power dissipation and energy consumption of modern systems. Instruction cache memories, however, typically hold highly redundant information in each of their columns, due to the repeated use of instructions and registers by compilers. Current memory...
The cores of a System-on-Chip (SoC) connected by Networks-on-Chip (NoCs) need interfaces to properly send and receive packets. However, in this interfacing, different situations can occur when heterogeneous cores are applied. Applications may require, for example, an irregular traffic behavior or present a large bandwidth variation. These situations may lead to problems in data synchronization. In...
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