▁to ▁improve ▁the ▁time ▁necessary ▁to ▁perform ▁a ▁search ▁dram atically . ▁These ▁techn ologies ▁include ▁F P GA ▁ch ips ▁and ▁SI MD ▁technology . ▁ ▁In ▁order ▁to ▁receive ▁better ▁results ▁from ▁B LA ST , ▁the ▁settings ▁can ▁be ▁changed ▁from ▁their ▁default ▁settings . ▁However , ▁there ▁is ▁no ▁given ▁or ▁set ▁way ▁of ▁changing ▁these ▁settings ▁in ▁order ▁to ▁receive ▁the ▁best ▁results ▁for ▁a ▁given ▁sequence . ▁The ▁settings ▁available ▁for ▁change ▁are ▁E - Value , ▁gap ▁costs , ▁filters , ▁word ▁size , ▁and ▁substitution ▁matrix . ▁Note , ▁that ▁the ▁algorithm ▁used ▁for ▁B LA ST ▁was ▁developed ▁from ▁the ▁algorithm ▁used ▁for ▁Smith - W at erman . ▁B LA ST ▁emp lo ys ▁an ▁alignment ▁which ▁finds ▁" local ▁align ments ▁between ▁sequences ▁by ▁finding ▁short ▁matches ▁and ▁from ▁these ▁initial ▁matches ▁( local ) ▁align ments ▁are ▁created ". ▁ ▁B LA ST ▁output ▁visual ization ▁▁ ▁To ▁help ▁users ▁interpre ting ▁B LA ST ▁results , ▁different ▁software ▁is ▁available . ▁According ▁to ▁installation ▁and ▁use , ▁analysis ▁features ▁and ▁technology , ▁here ▁are ▁some ▁available ▁tools : ▁▁ ▁NC BI ▁B LA ST ▁service ▁ ▁general ▁B LA ST ▁output ▁interpre ters , ▁GUI - based : ▁J AM B LA ST , ▁Bl ast ▁V iewer , ▁B LA ST G rab ber ▁ ▁integrated ▁B LA ST ▁environments : ▁PL AN , ▁Bl ast Station - Free ▁ ▁B LA ST ▁output ▁par sers : ▁Mu Seq