Dear all, What 's mean the the fortran compiler option "-qarch=pwr3"? I want to compile wien2k on HITACHI sisytem,there are many error. Best WANG Yuan Xu National Institute for Materials Science Computational Materials Science Center Namiki 1-1, Tsukuba 305-0044, Japan Phone +81-29-8513354-8092; Fax +81-29-8531207 wang.yuanxu at nims.go.jp 2004-09-16