Developing a tightly-coupled FPGA-cluster for supercomputing with conservation of electric power and limited space

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In this research, we developed custom computing machines for numerical simulation with multiple field-programmable logic devices (FPGAs) in order to achieve supercomputing with conservation of electric power and limited space. We explored basic architectures for scalable computers dedicated to the finite-difference method that are suitable for multiple-FPGA implementation. We demonstrated that our proposed architecture provides high scalability through FPGA-based prototype implementation.