ict or @ home ▁used ▁the ▁d TA SS ER ▁method ology . ▁In ▁ 2 0 0 9 , ▁Pred ict or @ home ▁shut ▁down . ▁ ▁Other ▁protein ▁related ▁distributed ▁computing ▁projects ▁on ▁B OIN C ▁include ▁Q MC @ home , ▁D ock ing @ home , ▁PO EM @ home , ▁S IMA P , ▁and ▁T AN PA K U . ▁ ▁R AL PH @ home , ▁the ▁Ros etta @ home ▁alpha ▁project ▁which ▁tests ▁new ▁application ▁versions , ▁work ▁units , ▁and ▁updates ▁before ▁they ▁move ▁on ▁to ▁Ros etta @ home , ▁runs ▁on ▁B OIN C ▁also . ▁ ▁Vol unte er ▁contributions ▁ ▁Ros etta @ home ▁depends ▁on ▁computing ▁power ▁don ated ▁by ▁individual ▁project ▁members ▁for ▁its ▁research . ▁ ▁, ▁about ▁ 5 3 , 0 0 0 ▁users ▁from ▁ 1 5 0 ▁countries ▁were ▁active ▁members ▁of ▁Ros etta @ home , ▁together ▁contrib uting ▁idle ▁processor ▁time ▁from ▁about ▁ 5 4 , 8 0 0 ▁computers ▁for ▁a ▁combined ▁average ▁performance ▁of ▁over ▁ 1 . 7 ▁P eta F LO PS . ▁ ▁Users ▁are ▁granted ▁B OIN C ▁cred its ▁as ▁a ▁measure ▁of ▁their ▁contribution . ▁The ▁credit ▁granted ▁for ▁each ▁work unit ▁is ▁the ▁number ▁of ▁de co ys ▁produced ▁for ▁that ▁work unit ▁multip lied ▁by ▁the ▁average ▁claimed ▁credit ▁for ▁the ▁de co ys ▁submitted ▁by ▁all ▁computer ▁hosts ▁for ▁that ▁work unit . ▁ ▁This ▁custom ▁system