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Modern vector processors have significant advantages over commodity-based scalar processors for memory-intensive scientific applications. However, vector processors still keep single core architecture, though chip multiprocessors (CMPs) have become the mainstream in recent processor architectures. To realize more efficient and powerful computations on a vector processor, this paper proposes a 3-D...
Vector supercomputers play an important roll in a high performance computing area because vector systems can achieve a high computational efficiency for large scale scientific applications. The most important factor of a vector supercomputer is its high memory bandwidth between the processor and the off-chip main memory. However, it is inevitable to decrease the ratio of memory bandwidth to floating-point...
A commodity personal computer (PC) can be seen as a hybrid computing system equipped with two different kinds of processors, i.e. CPU and a graphics processing unit (GPU). Since the superiorities of GPUs in the performance and the power efficiency strongly depend on the system configuration and the data size determined at the runtime, a programmer cannot always know which processor should be used...
On the basis of the fabrication of a CPU on glass as a digital circuit presented in B. Lee et al. (2003) and T. Ikeda et al. (2004), as well as the fabrication of a flexible CPU using a TFT transfer technology presented in T. Takayama et al. (2004), we have succeeded in the development of the world's first flexible RFCPUs (8bit, passive type) by adding to the CPU an antenna, an analog circuit, an...
This paper describes the design and implementation of a reconfigurable synchronized dataflow processor (RSDP). The RSDP can configure its hardware to directly represent dataflow graphs (DFGs) of applications. Data are processed while they flow along application-specific datapaths in the RSDP. We have designed three DFGs for benchmarking and evaluated their performance on an RSDP board. The results...
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