Prof. CHAN Kwok Sum wrote:
Does it mean mumps is used in default? If yes, this explain why the default and mumps packages have the same speed in my simulation.
kwant.smatrix is the same as kwant.solvers.default.smatrix [1]. This “default” solver combines the best available solver functionality [2]. So far the best solver is the one that uses MUMPS.
[1] https://kwant-project.org/doc/1/reference/kwant#from-kwant-solvers-default [2] https://kwant-project.org/doc/1/reference/kwant.solvers#module-kwant.solvers.default
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