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Off-chip memory bandwidth has been considered as one of the major limiting factors of processor performance, especially for multi-cores and many-cores. Conventional processor design allocates a large portion of off-chip pins to deliver power, leaving a small number of pins for processor signal communication. We observe that a processor requires much less power during memory intensive stages than is...
Nowadays, the rapid development of the SMP clusters provide a meaningful solution to enormously improve the ability for solving large scale problems in which MPI and Open MP mixed programming mode is used. In this paper, we present a hybrid programming implementation in Multilevel Fast Multipole Algorithm (MLFMA) to compute electro-magnetic scattering from extremely large targets. Message passing...
In parallel computing, the memory requirement is an important problem, and in parallel software development, it is vital to optimize the memory management strategy. Programmers need to know the memory optimizing degree. But, the parallel programs' performance evaluation metric speedup only refers to computing time, without considering the memory cost when executing programs. In this paper, the relationship...
In the optimizing work of parallel program, especially in the realm of massively parallel computing, the parallel computing time and space must be concurrently carefully considered to cut down the computing time as much as possible, because lots of poor parallel space strategies would impact negative effects on computing time. Although, sometimes we have no choice but to sacrifice the space for the...
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