FlowCalc | Berechnung der Fördermenge von Pool-Pumpen in Abhängigkeit
kandi X-RAY | FlowCalc Summary
kandi X-RAY | FlowCalc Summary
Berechnung der Fördermenge von Pool-Pumpen in Abhängigkeit des Systemdrucks und des saugseitigem Druckverlustes.
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QUESTION
I have calculating power flow across a network. However, I have found that for larger networks the calculation is slow. I tried to implement the algorithm using RcppArmadillo. The Rcpp function is several times faster for small networks/matrices but becomes just as slow for larger ones. The speed of the operation is affecting the usefulness of functions further on. Am I writing the functions badly or is this just the options I have?
The R code below gives and example of the executions times for a matrix of 10, 100, 1000.
...ANSWER
Answered 2018-Oct-11 at 09:04I have tried your code on a dual core laptop running Debian Linux and R 3.5.1 linked to OpenBLAS. In addition, I have also used RcppArrayFire to do these calculations using the GPU (nothing fancy, just in-build graphics). Here the benchmark results:
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