{"id":4781,"date":"2013-01-29T21:04:17","date_gmt":"2013-01-29T20:04:17","guid":{"rendered":"http:\/\/www.walkingrandomly.com\/?p=4781"},"modified":"2013-01-31T14:07:34","modified_gmt":"2013-01-31T13:07:34","slug":"fused-multiply-add-fma-one-flop-or-two","status":"publish","type":"post","link":"https:\/\/walkingrandomly.com\/?p=4781","title":{"rendered":"Fused Multiply Add (FMA) &#8211; One flop or two?"},"content":{"rendered":"<p>I am having a friendly argument with a colleague over how you calculate the peak number of floating operations per second (flops) for devices that support <a href=\"http:\/\/en.wikipedia.org\/wiki\/FMA_instruction_set\">Fused Multiply Add (FMA)<\/a>.\u00a0 The FMA operation is d=a+b*c, an operation that can be done in one cycle on devices that support it.<\/p>\n<p>I say that an FMA operation is two flops, he says it&#8217;s one.\u00a0 So, when I calculate the theoretical peak of a device I get twice the value he does.\u00a0 So, what do you think..is FMA one flop or two?<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I am having a friendly argument with a colleague over how you calculate the peak number of floating operations per second (flops) for devices that support Fused Multiply Add (FMA).\u00a0 The FMA operation is d=a+b*c, an operation that can be done in one cycle on devices that support it. I say that an FMA operation [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[68,45,15],"tags":[],"class_list":["post-4781","post","type-post","status-publish","format-standard","hentry","category-hpc","category-just-for-fun","category-walking-randomly"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p3swhs-1f7","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/walkingrandomly.com\/index.php?rest_route=\/wp\/v2\/posts\/4781","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/walkingrandomly.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/walkingrandomly.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/walkingrandomly.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/walkingrandomly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4781"}],"version-history":[{"count":4,"href":"https:\/\/walkingrandomly.com\/index.php?rest_route=\/wp\/v2\/posts\/4781\/revisions"}],"predecessor-version":[{"id":4793,"href":"https:\/\/walkingrandomly.com\/index.php?rest_route=\/wp\/v2\/posts\/4781\/revisions\/4793"}],"wp:attachment":[{"href":"https:\/\/walkingrandomly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4781"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/walkingrandomly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4781"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/walkingrandomly.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4781"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}