Move out psi computation for dense version
Move out psi computation for dense version

Neseb/wapiti,yanqingmen/Wapiti,yanqingmen/Wapiti,Jekub/Wapiti,yanqingmen/Wapiti,yanqingmen/Wapiti,Neseb/wapiti,yanqingmen/Wapiti,Jekub/Wapiti