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Cray-1 | computer | Britannica
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<div class="d-none d-sm-flex flex-row"> <div class="mr-10 mb-15"> <button class="ai-ask-button btn btn-sm border-2 btn-outline-red-400 border-red-400 btn-sm btn-outline-red-400 border-red-400 px-sm-5 px-md-10 js-inline-ai-ask-button"> Ask the Chatbot a Question </button> </div> </div> <div class="toc-header-marker"></div> <button class="ai-ask-button btn btn-sm border-2 btn-outline-red-400 border-red-400 d-none mr-0 mr-lg-10 ml-5 ml-sm-10 ml-lg-0 p-10 px-sm-5 px-md-10 js-header-ai-ask-button"> Ask the Chatbot a Question </button> </div> <div id="ref1"><article><!--[BEFORE-ARTICLE]--><span class="marker before-article"></span><section data-level="1"></section></article><section class="index-entries"><h2 class="h3"><strong>Learn about this topic</strong> in these articles:</h2><section><h3>development by Cray Research Inc.</h3><ul class="list-unstyled"><li> <span class="index-xref">In <a href="https://www.britannica.com/biography/Seymour-R-Cray#ref69516" class="md-crosslink " data-show-preview="true">Seymour Cray</a></span><p class="topic-paragraph">His company’s first supercomputer, the Cray-1, which came out in 1976, could perform 240 million calculations per second. It was used for large-scale scientific applications, such as simulating complex physical phenomena, and was sold to government and university laboratories. Further supercomputers followed, each with increased computing speed. Cray resigned as…</p><a class="read-more" href="/biography/Seymour-R-Cray#ref69516">Read More</a></li><li><div class="md-assembly-wrapper card-media" data-type="image"><img src="https://cdn.britannica.com/11/23611-050-81E61C8A/Cray-1-supercomputer-diameter-1976.jpg?w=300" alt="Cray-1" data-width="1600" data-height="1417" loading="lazy"></div> <span class="index-xref">In <a href="https://www.britannica.com/technology/supercomputer#ref665521" class="md-crosslink " data-show-preview="true">supercomputer: Historical development</a></span><p class="topic-paragraph">…Cray’s pioneering achievements was the Cray-1, introduced in 1976, which was the first successful implementation of vector processing (meaning, as discussed above, it could operate on pairs of lists of numbers rather than on mere pairs of numbers). Cray was also one of the pioneers of dividing complex computations among…</p><a class="read-more" href="/technology/supercomputer#ref665521">Read More</a></li></ul></section></section></div><div id="chatbot-simplify-root"></div> <div id="chatbot-root"></div> </div> </div> </div> <aside class="col-md-da-320" data-page="1"></aside> </div> </div> </div> </div> </article> </div> </div> </div> </div> </main> <div id="md-footer"></div> <noscript><iframe src="//www.googletagmanager.com/ns.html?id=GTM-5W6NC8" height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript> <!-- Ortto ebmwprod capture code --> <script> window.ap3c = window.ap3c || {}; var ap3c = window.ap3c; ap3c.cmd = ap3c.cmd || []; ap3c.cmd.push(function() { ap3c.init('ZO4siT4cLwnykPnzZWJtd3Byb2Q', 'https://engage.email.britannica.com/'); ap3c.track({v: 0}); }); ap3c.activity = function(act) { ap3c.act = (ap3c.act || []); ap3c.act.push(act); }; var s, t; s = document.createElement('script'); s.type = 'text/javascript'; s.src = "https://engage.email.britannica.com/app.js"; t = document.getElementsByTagName('script')[0]; t.parentNode.insertBefore(s, t); </script> <script class="marketing-page-info" type="application/json"> {"pageType":"Topic","templateName":"INDEX","pageNumber":1,"pagesTotal":1,"pageId":142040,"pageLength":0,"initialLoad":true,"lastPageOfScroll":false} </script> <script class="marketing-content-info" type="application/json"> [] </script> <script src="https://cdn.britannica.com/mendel-resources/3-134/js/libs/jquery-3.5.0.min.js?v=3.134.19"></script> <script type="text/javascript" data-type="Init Mendel Code Splitting"> (function() { $.ajax({ dataType: 'script', cache: true, url: 'https://cdn.britannica.com/mendel-resources/3-134/dist/topic-page.js?v=3.134.19' }); })(); </script> <script class="analytics-metadata" type="application/json"> {"leg":"B","adLeg":"B","userType":"ANONYMOUS","pageType":"Topic","pageSubtype":null,"articleTemplateType":"INDEX","gisted":false,"pageNumber":1,"hasSummarizeButton":false,"hasAskButton":false,"hasAiTopQuestions":false,"hasSimplifyButton":false} </script> <script type="text/javascript"> EBStat={accountId:-1,hostnameOverride:'webstats.eb.com',domain:'www.britannica.com', json:''}; </script> <script type="text/javascript"> ( function() { $.ajax( { dataType: 'script', cache: true, url: '//www.britannica.com/webstats/mendelstats.js?v=1' } ) .done( function() { try {writeStat(null,EBStat);} catch(err){} } ); })(); </script> <div id="bc-fixed-dialogue"></div> </body> </html>