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Simulation is an important method to evaluate future computer systems. However, the increasing complexity of the target systems has made the development of simulators very difficult. Furthermore, detailed simulation of large-scale parallel architecture is so slow that full evaluation of real application becomes a great challenge. This paper presents SimICT, a fast and flexible simulation framework...
It is an important task to tune performance for sparse matrix vector multiplication (SpMV), but it is also a difficult task because of its irregularity. In this paper, we propose a cache blocking method to improve the performance of SpMV on the emerging GPU architecture. The sparse matrix is partitioned into many sub-blocks, which are stored in CSR format. With the blocking method, the corresponding...
In this paper, we present a new architecture to mitigate inter-cell interference in the uplink and improve the uplink capacity of Long Term Evolution (LTE), which is named LTE-based multi-hop cellular networks with out-of-band relaying. Based on the receiving reference signal strength of User Equipments (UEs), each cell is divided into two parts, the inner circle and the outer ring. Each UE is dual-mode...
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