c++ Programming Glossary: d_b
CUDA device to host copy very slow http://stackoverflow.com/questions/12792693/cuda-device-to-host-copy-very-slow  thrust host_vector int h_a count thrust device_vector int d_b count 0 int d_bPtr thrust raw_pointer_cast d_b 0 start clock.. int h_a count thrust device_vector int d_b count 0 int d_bPtr thrust raw_pointer_cast d_b 0 start clock thrust copy d_b.begin.. int d_b count 0 int d_bPtr thrust raw_pointer_cast d_b 0 start clock thrust copy d_b.begin d_b.end h_a.begin end clock.. 
 How to speed up my sparse matrix solver? http://stackoverflow.com/questions/2388196/how-to-speed-up-my-sparse-matrix-solver  for size_t y 1 y d_ny 1 y for size_t x 1 x d_nx 1 x d_x ic d_b ic  d_w ic d_x iw d_e ic d_x ie  d_s ic d_x is d_n ic d_x in.. using namespace std size_t d_nx 128 d_ny 128 float d_x d_b d_w d_e d_s d_n void step size_t ic d_ny 1 iw d_ny ie d_ny 2.. size_t y 1 y d_ny 1 y for size_t x 1 x d_nx 1 x  d_x ic d_b ic  d_w ic d_x iw d_e ic d_x ie  d_s ic d_x is d_n ic d_x in.. 
 
 
     
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