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Modern embedded system must efficiently exploit parallelism at thread-and instruction-level to achieve the best performance with the lowest energy consumption possible. While Multiprocessor System-on-Chip (MPSoCs) are a commonly used solution, they do not provide an effective environment for software production, as each processing element implements a different Instruction Set Architecture (ISA)....
Given the large diversity of embedded applications one can find in current portable devices, for energy and performance reasons one must exploit both Thread- and Instruction Level Parallelism. While MPSoCs are largely used for this purpose, they fail when one considers software productivity, since it comprises different ISAs that must be programmed separately. On the other hand, general purpose multicores...
Because of the continuous increase in the number and complexity of embedded applications, new platforms have been launched within shorter periods of time to fulfill their performance requirements with the lowest energy consumption possible. However, for each new platform deployment, new tool chains, with additional libraries, debuggers and compilers must come along, breaking binary compatibility....
This paper presents an analysis on the impact of simultaneous instruction cache (I-cache) and issue-width reconfiguration for a very long instruction word (VLIW) processor. The issue-width of the processor can be adjusted at run-time to be 2-issue, 4-issue, or 8-issue, and the I-cache can be reconfigured in terms of associativity, cache size, and line size.We observe that, compared to reconfiguring...
NoC designs are based on a compromise of latency, power dissipation or energy, usually defined at design time. However, setting all parameters at design time can cause either excessive power dissipation (originated by router underutilization), or a higher latency. Moreover, routers with virtual channels have larger buffer sizes and more complex control, increasing the total costs. The situation worsens...
The growing complexity and diversity of embedded systems — combined with continuing demands for higher performance and lower power consumption — place increasing pressure on embedded platforms designers. To address these problems, the Embedded Reconfigurable Architectures project (ERA), investigates innovations in both hardware and tools to create next-generation embedded systems. Leveraging adaptive...
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