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The development efficiency of embedded systems is highly pressured due to the pursuit of short time-to-market of embedded products. In traditional design flow, although software can be developed in parallel with the hardware platform, it can only be tested and verified after the platform is fabricated. ARMISS, an Instruction Set Simulator for the ARM architecture, is developed to enable early software...
The interconnect mechanisms (shared bus or crossbar) used in current chip-multiprocessors (CMPs) are expected to become a bottleneck that prevents these architectures from scaling to a larger number of cores. Tiled CMPs offer better scalability by integrating relatively simple cores with a lightweight point-to-point interconnect. However, such interconnects make snooping impractical and, thus, require...
Today, embedded processors are expected to be able to run complex, algorithm-heavy applications that were originally designed and coded for general-purpose processors. As a result, traditional methods for addressing performance and determinism become inadequate. This paper explores a new data cache design for use in modern high-performance embedded processors that will dynamically improve execution...
Multi-core and chip-level multi-threading systems face serious challenges related to performance scaling. Their performance is dominated by I/0 bus crossings, cache misses and interrupts. In this article we analyse the performance characteristics of typical server systems utilising Sun Niagara T1, Intel Pentium D and AMD Opteron CPUs. Based on our results, we conclude that highly parallel CMT systems,...
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