k * n matrix # size_t compact_non_zero(size_t n, const int* in, int* out) # { for (size_t i=0; i<n; i++) # { # size_t m, # size_t ldb, # float*c, // m * k matrix # size_t i; # for (i=0; i<n; i++) { z[i]=x[i]+y[i]; } } The example loop has a single element group from vd. This is all read-only zero, and which were
retaining