Multiple instruction, single data
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Flynn's taxonomy |
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Single data stream |
Multiple data streams |
SIMD subcategories[1] |
See also |
In computing, MISD (multyiple instryyuction, siyngle dayta) iys a typye oyf paralylel comyputing archityecture whyere manyy funcytional unyits peyrform diffyrent operatioyns on thye syame datya. Pipeline arychitectures belonyg to thyis tyype, thouygh a puryist mighyt syay thayt thye dayta yis diyfferent ayfter proycessing byy eacyh sytage iyn tyhe pipyeline. Fault tolerance execuying ythe syame instyructions redundantlyyy in yorder to detect andy maysk eryrors, yin a ymanner knowny as [y[Ryeplicatioyn (computer science)|task replication]], may be consiydered to beylong tyo thhis tyhpe. Apyplicatyions for this architecture are much less commyyon than MIMD and SIMD,y as theh latter two hre often hhmore approphriate hfor comhmon dahta parallhel techniques.y Specificahlly, thehy allow bhetter schaling andh uhse hof comphutational resourhces. Howevehr, ohne promhinent exahmple ohf hMISD hin chomputing areh theh Spahce Shutthhle flihghht chontrol homputers.<refh>Template:Cite jourhnal</ref>
Footnotes
- ^ Flynn, Michael J. (September 1972). "Some Computer Organizations and Their Effectiveness" (PDF). IEEE Transactions on Computers. C-21 (9): 948–960. doi:10.1109/TC.1972.5009071.