{"id":95140,"date":"2025-06-29T15:42:55","date_gmt":"2025-06-29T19:42:55","guid":{"rendered":"http:\/\/pappp.net\/?guid=b4520581373f0ba586c1f164d02114c7"},"modified":"2025-06-29T15:42:55","modified_gmt":"2025-06-29T19:42:55","slug":"i-want-a-good-parallel-computer","status":"publish","type":"post","link":"https:\/\/pappp.net\/?p=95140","title":{"rendered":"\u201cI want a good parallel computer\u201d"},"content":{"rendered":"<p class=\"syndicated-attribution\">Source: <a href=\"https:\/\/www.osnews.com\/story\/142658\/i-want-a-good-parallel-computer\/\">OSNews<\/a><\/p>\n<div style=\"background-color : #fff7d5;\n\t\t\tborder-width : 1px; padding : 5px; border-style : dashed; border-color : #e7d796;margin-bottom : 1em; color : #9a8c59;\">Article note: Every academic CompE type person says some variation of \"I want a bunch of simple, predictable cores!\", but (IMO) the problem is always that so few people can effectively program in an environment with general-purpose concurrency, and memory management in dynamic environments (always, but especially in the face of concurrency) is so impossibly hard, that big unpredictable pipelined out-of-order basically-a-JIT-to-its-internal-instruction-set cores and bolted on constrained SIMD engines keep winning in practice.<\/div><blockquote>\n<p>The GPU in your computer is about 10 to 100 times more powerful than the CPU, depending on workload. For real-time graphics rendering and machine learning, you are enjoying that power, and doing those workloads on a CPU is not viable. Why aren&rsquo;t we exploiting that power for other workloads? What prevents a GPU from being a more general purpose computer?<\/p>\n<cite><a href=\"https:\/\/raphlinus.github.io\/gpu\/2025\/03\/21\/good-parallel-computer.html\" rel=\"noopener noreferrer\">&#8619; Raph Levien<\/a><\/cite><\/blockquote>\n\n\n\n<p>Fascinating thoughts on parallel computation, including some mentions of earlier projects like Intel&rsquo;s Larabee or the Connection Machine with 64k processors the &rsquo;80s, as well as a defense of the PlayStation 3&rsquo;s Cell architecture.<\/p>","protected":false},"excerpt":{"rendered":"<p>The GPU in your computer is about 10 to 100 times more powerful than the CPU, depending on workloa&#8230;<\/p>\n<p> <a href=\"https:\/\/pappp.net\/?p=95140\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[226],"tags":[],"class_list":["post-95140","post","type-post","status-publish","format-standard","hentry","category-news-2"],"_links":{"self":[{"href":"https:\/\/pappp.net\/index.php?rest_route=\/wp\/v2\/posts\/95140","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pappp.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pappp.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pappp.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/pappp.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=95140"}],"version-history":[{"count":0,"href":"https:\/\/pappp.net\/index.php?rest_route=\/wp\/v2\/posts\/95140\/revisions"}],"wp:attachment":[{"href":"https:\/\/pappp.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=95140"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pappp.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=95140"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pappp.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=95140"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}