{"id":1250,"date":"2024-12-19T04:08:32","date_gmt":"2024-12-19T04:08:32","guid":{"rendered":"https:\/\/infonaujiena.lt\/index.php\/2024\/12\/19\/rdram-kilimas-ir-kritimas-pasakojimas-apie-ambicijas-ir-klaidas\/"},"modified":"2024-12-19T04:08:32","modified_gmt":"2024-12-19T04:08:32","slug":"rdram-kilimas-ir-kritimas-pasakojimas-apie-ambicijas-ir-klaidas","status":"publish","type":"post","link":"https:\/\/infonaujiena.lt\/index.php\/2024\/12\/19\/rdram-kilimas-ir-kritimas-pasakojimas-apie-ambicijas-ir-klaidas\/","title":{"rendered":"RDRAM kilimas ir kritimas: pasakojimas apie ambicijas ir klaidas"},"content":{"rendered":"<p> <br \/>\n<\/p>\n<div id=\"\">\n<p>J\u016bs\u0173 kompiuteris grei\u010diausiai naudoja DDR5, DDR4 ar net DDR3 atmint\u012f, jei pra\u0117jo \u0161iek tiek laiko nuo paskutinio atnaujinimo. O kas, jei j\u016bs\u0173 RAM i\u0161 viso nebuvo DDR? Dar 1999 m. \u012fmon\u0117, pavadinta Rambus, \u012fsivaizdavo ateit\u012f, kurioje pramon\u0117je dominuos j\u0173 novatori\u0161ka atminties technologija RDRAM. Nors j\u0173 kelion\u0117 buvo ambicinga, ji buvo kupina i\u0161\u0161\u016bki\u0173, d\u0117l kuri\u0173 galiausiai RDRAM \u017elugo.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Turinys:<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/infonaujiena.lt\/index.php\/2024\/12\/19\/rdram-kilimas-ir-kritimas-pasakojimas-apie-ambicijas-ir-klaidas\/#RDRAM_gimimas\" >RDRAM gimimas<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/infonaujiena.lt\/index.php\/2024\/12\/19\/rdram-kilimas-ir-kritimas-pasakojimas-apie-ambicijas-ir-klaidas\/#Ankstyvas_priemimas_%E2%80%9ENintendo%E2%80%9C_ir_%E2%80%9EIntel%E2%80%9C\" >Ankstyvas pri\u0117mimas: \u201eNintendo\u201c ir \u201eIntel\u201c.<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/infonaujiena.lt\/index.php\/2024\/12\/19\/rdram-kilimas-ir-kritimas-pasakojimas-apie-ambicijas-ir-klaidas\/#Ruduo_dideles_islaidos_ir_ribotas_apeliacinis_skundas\" >Ruduo: didel\u0117s i\u0161laidos ir ribotas apeliacinis skundas<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/infonaujiena.lt\/index.php\/2024\/12\/19\/rdram-kilimas-ir-kritimas-pasakojimas-apie-ambicijas-ir-klaidas\/#DDR_SDRAM_kilimas\" >DDR SDRAM kilimas<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/infonaujiena.lt\/index.php\/2024\/12\/19\/rdram-kilimas-ir-kritimas-pasakojimas-apie-ambicijas-ir-klaidas\/#Rambuso_palikimas_ieskiniai_ir_isradimas\" >Rambuso palikimas: ie\u0161kiniai ir i\u0161radimas<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/infonaujiena.lt\/index.php\/2024\/12\/19\/rdram-kilimas-ir-kritimas-pasakojimas-apie-ambicijas-ir-klaidas\/#Dabartis_naujas_%E2%80%9ERambus%E2%80%9C_skyrius\" >Dabartis: naujas \u201eRambus\u201c skyrius<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/infonaujiena.lt\/index.php\/2024\/12\/19\/rdram-kilimas-ir-kritimas-pasakojimas-apie-ambicijas-ir-klaidas\/#Paskutines_mintys\" >Paskutin\u0117s mintys<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"RDRAM_gimimas\"><\/span>RDRAM gimimas<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Rambus pristat\u0117 RDRAM kaip revoliucin\u012f atminties tip\u0105, sukurt\u0105 pranokti tradicin\u0119 SDRAM. Skirtingai nuo pramon\u0117s standartin\u0117s 64 bit\u0173 atminties magistral\u0117s, RDRAM naudojo siauresn\u0119 16 bit\u0173 magistral\u0119. Nors \u0161i ma\u017eesn\u0117 s\u0105saja gali atrodyti kaip \u017eemesn\u0117 versija, ji leido atmin\u010diai pasiekti \u017eymiai didesn\u012f laikrod\u017eio greit\u012f.<\/p>\n<p>RDRAM taip pat \u012fdieg\u0117 esmin\u0119 naujov\u0119, kuri dabar yra standartin\u0117 DDR atmintyje: ji gali si\u0173sti du duomen\u0173 signalus per laikrod\u017eio cikl\u0105. \u0160i \u201edvigubo duomen\u0173 perdavimo spartos\u201c galimyb\u0117 rei\u0161k\u0117, kad duomenys gali b\u016bti siun\u010diami tiek kylan\u010diose, tiek krintan\u010diose laikrod\u017eio bangos briaunose, padvigubinant efektyv\u0173 duomen\u0173 perdavimo spart\u0105. Kartu \u0161ie dizaino elementai leido RDRAM pasi\u016blyti didesn\u012f atminties pralaidum\u0105, palyginti su \u012fprastais sprendimais, tod\u0117l jis ypa\u010d patrauklus programoms, kurioms reikalingas didelis duomen\u0173 perdavimo greitis.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Ankstyvas_priemimas_%E2%80%9ENintendo%E2%80%9C_ir_%E2%80%9EIntel%E2%80%9C\"><\/span>Ankstyvas pri\u0117mimas: \u201eNintendo\u201c ir \u201eIntel\u201c.<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u201eNintendo\u201c pripa\u017eino RDRAM potencial\u0105 ir panaudojo j\u012f \u201eNintendo 64\u201c. Konsol\u0117s priklausomyb\u0117 nuo didel\u0117s spartos atminties 3D grafikos atvaizdavimui padar\u0117 RDRAM idealiu pasirinkimu, ypa\u010d atsi\u017evelgiant \u012f sistemos ekonomi\u0161k\u0105 kain\u0105.<\/p>\n<p>\u0160ios s\u0117km\u0117s paskatinta, \u201eIntel\u201c bendradarbiavo su \u201eRambus\u201c, kad RDRAM b\u016bt\u0173 i\u0161skirtin\u0117 atmintis savo Pentium 4 procesoriams. \u201eIntel\u201c remiamas \u201eRambus\u201c atrod\u0117 pasireng\u0119s dominuoti atminties rinkoje.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Ruduo_dideles_islaidos_ir_ribotas_apeliacinis_skundas\"><\/span>Ruduo: didel\u0117s i\u0161laidos ir ribotas apeliacinis skundas<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Nepaisant technini\u0173 prana\u0161um\u0173, RDRAM susid\u016br\u0117 su didel\u0117mis kli\u016btimis. Jo kaina buvo pernelyg didel\u0117 paprastam kompiuterio vartotojui. Nors jis gerai veik\u0117 tam tikrose programose, pvz., \u017daidimuose, na\u0161umo prana\u0161umai nebuvo pastebimi esant \u012fprastiems vartotoj\u0173 darbo kr\u016bviams. Be to, RDRAM tur\u0117jo didel\u0119 dels\u0105, sunaudojo daug energijos ir generavo per daug \u0161ilumos, dar labiau suma\u017eindama jos patrauklum\u0105.<\/p>\n<p>Diegimo reikalavimai taip pat buvo vargo. RDRAM tur\u0117jo b\u016bti \u012fdiegta poromis arba suporuota su netikru t\u0119stinumo moduliu, kuris tik atspind\u0117t\u0173 signalus, neprid\u0117damas atminties. \u0160is sud\u0117tingumas menkai kontrastavo su paprastesn\u0117mis ir pigesn\u0117mis alternatyvomis.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"DDR_SDRAM_kilimas\"><\/span>DDR SDRAM kilimas<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>2000 m. \u012f rink\u0105 pateko DDR SDRAM, si\u016blanti pana\u0161\u0173 dvigub\u0105 duomen\u0173 perdavimo spart\u0105, bet su \u012fprasta 64 bit\u0173 plo\u010dio magistrale. DDR SDRAM buvo \u017eymiai pigesnis, lengviau \u012fdiegiamas ir netur\u0117jo RDRAM tr\u016bkum\u0173. 2001 m. pabaigoje \u201eIntel\u201c prad\u0117jo leisti mikroschem\u0173 rinkinius, palaikan\u010dius DDR SDRAM, skirtus \u201ePentium 4\u201c sistemoms. Iki 2003 m. RDRAM prakti\u0161kai i\u0161nyko i\u0161 kompiuteri\u0173 rinkos ir pralaim\u0117jo standart\u0173 kar\u0105 prie\u0161 DDR SDRAM.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Rambuso_palikimas_ieskiniai_ir_isradimas\"><\/span>Rambuso palikimas: ie\u0161kiniai ir i\u0161radimas<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Nors RDRAM buvo komercin\u0117 nes\u0117km\u0117, Rambus priklaus\u0117 daug pagrindini\u0173 patent\u0173, susijusi\u0173 su dvigubo duomen\u0173 perdavimo spartos atmintimi. Bendrov\u0117 agresyviai i\u0161k\u0117l\u0117 ie\u0161kinius prie\u0161 pagrindinius \u017eaid\u0117jus, tokius kaip \u201eSamsung\u201c, \u201eHynix\u201c ir \u201eNvidia\u201c, d\u0117l tariamo patento pa\u017eeidimo. Ta\u010diau \u0161is gin\u010dytinas b\u016bdas Rambusui peln\u0117 prast\u0105 reputacij\u0105. Vienoje didelio atgarsio sulaukusioje byloje teis\u0117jas netgi apkaltino Rambus\u0105 \u012frodym\u0173 sunaikinimu.<\/p>\n<p>\u201eRambus\u201c taip pat buvo tikrinamas reguliavimo institucij\u0173, \u012fskaitant FTC ir Europos S\u0105jung\u0105, d\u0117l antikonkurencinio elgesio, susijusio su jo patentiniais reikalavimais. Laikui b\u0117gant Rambus i\u0161sprend\u0117 savo ie\u0161kinius ir pakeit\u0117 strategij\u0105, sutelkdamas d\u0117mes\u012f \u012f bendradarbiavim\u0105, o ne \u012f konfrontacij\u0105.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Dabartis_naujas_%E2%80%9ERambus%E2%80%9C_skyrius\"><\/span>Dabartis: naujas \u201eRambus\u201c skyrius<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0160iandien \u201eRambus\u201c i\u0161 naujo i\u0161rado save kaip atminties valdikli\u0173 gamintoj\u0105, atlikdama tylesn\u012f, bet itin svarb\u0173 vaidmen\u012f technologij\u0173 pramon\u0117je. \u012edomu tai, kad investicijos \u012f \u201eRambus\u201c prie\u0161 de\u0161imtmet\u012f vert\u0117 b\u016bt\u0173 patrigub\u0117jusi, o tai \u012frodyt\u0173, kad net ir problemi\u0161kos praeities \u012fmon\u0117s gali rasti nauj\u0173 keli\u0173 \u012f s\u0117km\u0119.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Paskutines_mintys\"><\/span>Paskutin\u0117s mintys<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>RDRAM istorija yra \u012fsp\u0117jamasis pasakojimas apie ambicijas, klaidas ir nenusp\u0117jam\u0105 technologij\u0173 rink\u0173 pob\u016bd\u012f. Nors pradin\u0117 Rambus vizija \u017elugo, \u012fmon\u0117s geb\u0117jimas prisitaikyti ir klest\u0117ti atliekant kitok\u012f vaidmen\u012f pabr\u0117\u017eia atsparumo ir i\u0161radimo svarb\u0105.<\/p>\n<\/p><\/div>\n<p>Jei tekste radote klaid\u0105, si\u0173skite prane\u0161im\u0105 autoriui pa\u017eym\u0117dami klaid\u0105 ir paspausdami Ctrl-Enter.<\/p>\n<div>\n<p>        Nor\u0117dami komentuoti, turite b\u016bti prisijung\u0119.<\/p>\n<p>                <i class=\"fa icon-login\"\/>  Prisijunkite<\/p>\n<\/p><\/div>\n<p><br \/>\n<br \/><a href=\"https:\/\/techplanet.today\/post\/the-rise-and-fall-of-rdram-a-tale-of-ambition-and-missteps\">Source link <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>J\u016bs\u0173 kompiuteris grei\u010diausiai naudoja DDR5, DDR4 ar net DDR3 atmint\u012f, jei pra\u0117jo \u0161iek tiek laiko nuo paskutinio atnaujinimo. O kas, jei j\u016bs\u0173 RAM i\u0161 viso nebuvo DDR? Dar 1999 m. \u012fmon\u0117, pavadinta Rambus, \u012fsivaizdavo ateit\u012f, kurioje pramon\u0117je dominuos j\u0173 novatori\u0161ka atminties technologija RDRAM. Nors j\u0173 kelion\u0117 buvo ambicinga, ji buvo kupina i\u0161\u0161\u016bki\u0173, d\u0117l kuri\u0173 galiausiai [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1251,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[3],"tags":[2416,555,2269,2417,2270,2415,2414],"class_list":["post-1250","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technologijos","tag-ambicijas","tag-apie","tag-kilimas","tag-klaidas","tag-kritimas","tag-pasakojimas","tag-rdram"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/infonaujiena.lt\/index.php\/wp-json\/wp\/v2\/posts\/1250","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/infonaujiena.lt\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/infonaujiena.lt\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/infonaujiena.lt\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/infonaujiena.lt\/index.php\/wp-json\/wp\/v2\/comments?post=1250"}],"version-history":[{"count":0,"href":"https:\/\/infonaujiena.lt\/index.php\/wp-json\/wp\/v2\/posts\/1250\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/infonaujiena.lt\/index.php\/wp-json\/wp\/v2\/media\/1251"}],"wp:attachment":[{"href":"https:\/\/infonaujiena.lt\/index.php\/wp-json\/wp\/v2\/media?parent=1250"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/infonaujiena.lt\/index.php\/wp-json\/wp\/v2\/categories?post=1250"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/infonaujiena.lt\/index.php\/wp-json\/wp\/v2\/tags?post=1250"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}