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HPF: Programming Linux Clusters the Easy Way

Table 1. Timing Comparison

ProgramParametersPurposeSerialP=1P=2P=3P=4
matvec4.hpf512*5120.1250.140.0670.0360.029
trans5.hpf512,50.250.370.180.140.068
jacobi2.hpf512Iterative2.443.21.91.00.81
gauss77m.hpf512Direct40.430.817.713.115.0
gauss90.hpf512Fortran90 version40.230.317.512.114.6
shall90.hpf512,5Shallow Water Equations13.413.38.75.63.0
filter2.hpf500,500,11Image Processing7.37.34.23.32.5
sim2.hpf20,5.0,0.5Real Time Simulation17.38.85.74.6