cuSolverSp_LowlevelQR whole lap2D_5pt_n100.mtx lap3D_7pt_n20.mtx ./ ../ ../../Common Linear Algebra CUSOLVER Library CUSOLVER Linear Algebra cusolver cusparse true cuSolverSp_LowlevelQR.cpp CUSOLVER CUSPARSE 1:CUDA Basic Topics 3:Linear Algebra sm35 sm37 sm50 sm52 sm60 sm61 sm70 sm72 sm75 sm80 sm86 x86_64 linux windows7 x86_64 macosx ppc64le linux arm all exe