▁have ▁since ▁been ▁acquired ▁to ▁Advanced ▁Bio comput ing , ▁L LC . ▁ ▁In ▁ 2 0 0 9 , ▁NC BI ▁has ▁released ▁a ▁new ▁set ▁of ▁B LA ST ▁execut ables , ▁the ▁C ++ ▁based ▁B LA ST + , ▁and ▁has ▁released ▁C ▁versions ▁until ▁ 2 . 2 . 2 6 . ▁Starting ▁with ▁version ▁ 2 . 2 . 2 7 ▁( A pril ▁ 2 0 1 3 ), ▁only ▁B LA ST + ▁execut ables ▁are ▁available . ▁Among ▁the ▁changes ▁is ▁the ▁replacement ▁of ▁the ▁bl ast all ▁executable ▁with ▁separate ▁execut ables ▁for ▁the ▁different ▁B LA ST ▁programs , ▁and ▁changes ▁in ▁option ▁handling . ▁The ▁format db ▁utility ▁( C ▁based ) ▁has ▁been ▁replaced ▁by ▁make blast db ▁( C ++ ▁based ) ▁and ▁databases ▁formatted ▁by ▁either ▁one ▁should ▁be ▁compatible ▁for ▁identical ▁bl ast ▁releases . ▁The ▁algorithms ▁remain ▁similar , ▁however , ▁the ▁number ▁of ▁hits ▁found ▁and ▁their ▁order ▁can ▁vary ▁significantly ▁between ▁the ▁older ▁and ▁the ▁newer ▁version . ▁B LA ST + ▁since ▁ ▁Acc eler ated ▁versions ▁ ▁Time Log ic ▁offers ▁an ▁F P GA - ac cel er ated ▁implementation ▁of ▁the ▁B LA ST ▁algorithm ▁called ▁T era - B LA ST ▁that ▁is ▁hundreds ▁of ▁times ▁faster . ▁ ▁Other ▁formerly ▁supported ▁versions ▁include : ▁ ▁F P GA - ac cel er ated ▁ ▁Prior ▁to ▁their ▁ac quisition ▁by ▁Q i agen , ▁C LC ▁bio