{"id":1578,"date":"2016-06-20T10:08:07","date_gmt":"2016-06-20T14:08:07","guid":{"rendered":"http:\/\/jungwon.kim\/blog\/?p=1578"},"modified":"2016-06-20T10:08:07","modified_gmt":"2016-06-20T14:08:07","slug":"sources-of-poor-parallel-performance","status":"publish","type":"post","link":"https:\/\/blog.jungwon.kim\/?p=1578","title":{"rendered":"Sources of Poor Parallel Performance"},"content":{"rendered":"<ul>\n<li>Load imbalance\n<ul>\n<li>Amdahl&#8217;s law<\/li>\n<\/ul>\n<\/li>\n<li>Poor data locality\n<ul>\n<li>communication<\/li>\n<li>contention<\/li>\n<\/ul>\n<\/li>\n<li>Synchronization overhead<\/li>\n<li>Redundant computation<\/li>\n<li>Task management<\/li>\n<\/ul>\n<p><a href=\"http:\/\/www.cs.cmu.edu\/afs\/cs\/academic\/class\/15347-s98\/public\/lectures\/lect26_27.pdf\">http:\/\/www.cs.cmu.edu\/afs\/cs\/academic\/class\/15347-s98\/public\/lectures\/lect26_27.pdf<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Load imbalance Amdahl&#8217;s law Poor data locality communication contention Synchronization overhead Redundant computation Task management http:\/\/www.cs.cmu.edu\/afs\/cs\/academic\/class\/15347-s98\/public\/lectures\/lect26_27.pdf<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-1578","post","type-post","status-publish","format-standard","hentry","category-cs"],"_links":{"self":[{"href":"https:\/\/blog.jungwon.kim\/index.php?rest_route=\/wp\/v2\/posts\/1578","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.jungwon.kim\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.jungwon.kim\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.jungwon.kim\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.jungwon.kim\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1578"}],"version-history":[{"count":1,"href":"https:\/\/blog.jungwon.kim\/index.php?rest_route=\/wp\/v2\/posts\/1578\/revisions"}],"predecessor-version":[{"id":1579,"href":"https:\/\/blog.jungwon.kim\/index.php?rest_route=\/wp\/v2\/posts\/1578\/revisions\/1579"}],"wp:attachment":[{"href":"https:\/\/blog.jungwon.kim\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1578"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.jungwon.kim\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1578"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.jungwon.kim\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1578"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}