{"id":33621,"date":"2019-10-31T21:53:47","date_gmt":"2019-10-31T18:53:47","guid":{"rendered":"https:\/\/prohoster.info\/blog\/additional-uplinks-v-arhitekture-sistemnoj-logiki-intel-c620\/"},"modified":"2019-10-31T21:53:47","modified_gmt":"2019-10-31T18:53:47","slug":"additional-uplinks-v-arhitekture-sistemnoj-logiki-intel-c620","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/administrirovanie\/additional-uplinks-v-arhitekture-sistemnoj-logiki-intel-c620","title":{"rendered":"Dodato\u010dn\u00e9 Prepojky v architekt\u00fare syst\u00e9movej logiky Intel C620","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

V architekt\u00fare x86 platforiem sa objavili dva smerovania, ktor\u00e9 sa vz\u00e1jomne dop\u013a\u0148aj\u00fa. Pod\u013ea jednej verzie je potrebn\u00e9 sa pos\u00fava\u0165 smerom k integr\u00e1cii v\u00fdpo\u010dtov\u00fdch a riadiacich zdrojov na jednom kry\u0161t\u00e1li. Druh\u00fd pr\u00edstup presadzuje rozdelenie povinnost\u00ed: procesor je vybaven\u00fd v\u00fdkonnou zbernicou, ktor\u00e1 formuje perif\u00e9rny \u0161k\u00e1lovate\u013en\u00fd ekosyst\u00e9m. To le\u017e\u00ed v z\u00e1klade topol\u00f3gie syst\u00e9movej logiky Intel C620 pre platformy s vysokou \u00farov\u0148ou.<\/a><\/noindex><\/p>\n

Hlavn\u00fd rozdiel od predch\u00e1dzaj\u00faceho \u010dipsetu Intel C610 spo\u010d\u00edva v roz\u0161\u00edren\u00ed komunika\u010dn\u00e9ho kan\u00e1la procesora s perif\u00e9riou, ktor\u00e1 patr\u00ed do mikrosch\u00e9my PCH, prostredn\u00edctvom pou\u017eitia PCIe linkov spolu s tradi\u010dnou DMI zbernicou.<\/p>\n

\"Dodato\u010dn\u00e9
\n
\nPozrime sa podrobnej\u0161ie na novinky ju\u017en\u00e9ho mosta Intel Lewisburg: ak\u00fdmi evolu\u010dn\u00fdmi a revolu\u010dn\u00fdmi pr\u00edstupmi s\u00fa jeho opr\u00e1vnenia v komunik\u00e1cii s procesormi roz\u0161\u00edren\u00e9?<\/p>\n

Evolu\u010dn\u00e9 zmeny v komunik\u00e1cii CPU-PCH<\/h2>\n

\nV r\u00e1mci evolu\u010dn\u00e9ho pr\u00edstupu hlavn\u00fd komunika\u010dn\u00fd kan\u00e1l CPU s ju\u017en\u00fdm mostom, ktor\u00fdm je zbernica DMI (Direct Media Interface), z\u00edskal podporu re\u017eimu PCIe x4 Gen3 s v\u00fdkonovou kapacitou 8.0 GT\/S. Predt\u00fdm v Intel C610 PCH bola komunik\u00e1cia procesora a syst\u00e9movej logiky zabezpe\u010den\u00e1 v re\u017eime PCIe x4 Gen 2 s priepustnos\u0165ou 5.0 GT\/S.<\/p>\n

\"Dodato\u010dn\u00e9
\n
\nPorovnanie funk\u010dnosti syst\u00e9movej logiky Intel C610 a C620<\/em><\/p>\n

V\u0161imnime si, \u017ee tento subsyst\u00e9m je v\u00fdznamne konzervat\u00edvnej\u0161\u00ed ako vstavan\u00e9 PCIe porty procesora, ktor\u00e9 sa zvy\u010dajne pou\u017e\u00edvaj\u00fa na pripojenie GPU a NVMe \u00falo\u017en\u00fdch zariaden\u00ed, kde sa u\u017e dlh\u0161ie pou\u017e\u00edva PCIe 3.0 a pl\u00e1nuje sa prechod na PCI Express Gen4.<\/p>\n

Revolu\u010dn\u00e9 zmeny v komunik\u00e1cii CPU-PCH<\/h2>\n

\nK revolu\u010dn\u00fdm zmen\u00e1m patr\u00ed pridanie nov\u00fdch PCIe kan\u00e1lov komunik\u00e1cie CPU-PCH, naz\u00fdvan\u00fdch Dodato\u010dn\u00e9 Prepojky. Fyzicky ide o dva porty PCI Express, ktor\u00e9 pracuj\u00fa v re\u017eimoch PCIe x8 Gen3 a PCIe x16 Gen3, oba - 8.0 GT\/S.<\/p>\n

\"Dodato\u010dn\u00e9
\n
\nNa interakciu CPU a Intel C620 PCH sa pou\u017e\u00edvaj\u00fa 3 zbernice: DMI a dva porty PCI Express<\/em><\/p>\n

Pre\u010do bolo potrebn\u00e9 prehodnoti\u0165 existuj\u00facu topol\u00f3giu komunik\u00e1ci\u00ed s Intel C620? Po prv\u00e9, v PCH m\u00f4\u017ee by\u0165 integrovan\u00fdch a\u017e 4x sie\u0165ov\u00fdch ovl\u00e1da\u010dov 10GbE s funkciou RDMA. Po druh\u00e9, za \u0161ifrovanie sie\u0165ov\u00e9ho prenosu a v\u00fdmenn\u00fd proces so syst\u00e9mom ukladania d\u00e1t zodpoved\u00e1 nov\u00e1 a r\u00fdchlej\u0161ia gener\u00e1cia koprocesorov Intel QuickAssist Technology (QAT), ktor\u00e1 poskytuje hardv\u00e9rov\u00fa podporu pre kompresiu a \u0161ifrovanie. A nakoniec, \"motor inov\u00e1ci\u00ed\" \u2014 Innovation Engine<\/a><\/noindex>, ktor\u00fd bude dostupn\u00fd len pre OEM v\u00fdrobcov.<\/p>\n

\u0160k\u00e1lovate\u013enos\u0165 a flexibilita<\/h2>\n

\nD\u00f4le\u017eitou vlastnos\u0165ou je mo\u017enos\u0165 vo\u013eby nielen topol\u00f3gie pripojenia PCH, ale aj prior\u00edt vn\u00fatorn\u00fdch zdrojov \u010dipu pri pr\u00edstupe k r\u00fdchlym komunika\u010dn\u00fdm kan\u00e1lom s centr\u00e1lnym procesorom (procesormi). Okrem toho, v \u0161peci\u00e1lnom re\u017eime EPO (EndPoint Only Mode), pripojenie PCH sa uskuto\u010d\u0148uje v \u0161tat\u00fate be\u017en\u00e9ho PCI Express zariadenia, ktor\u00e9 obsahuje zdroje 10 GbE a Intel QAT. Pri tom je klasick\u00fd rozhranie DMI, ako aj nieko\u013eko Legacy subsyst\u00e9mov, zobrazen\u00fdch na diagrame \u010diernou farbou, vypnut\u00e9.<\/p>\n

\"Dodato\u010dn\u00e9
\n
\nVn\u00fatorn\u00e1 architekt\u00fara \u010dipu Intel C620 PCH<\/em><\/p>\n

Teoreticky, to umo\u017e\u0148uje v syst\u00e9me pou\u017ei\u0165 viac ako jeden \u010dip Intel C620 PCH, \u010d\u00edm sa \u0161k\u00e1luje funk\u010dnos\u0165 10 GbE a Intel QAT v s\u00falade s v\u00fdkonnostn\u00fdmi po\u017eiadavkami. Z\u00e1rove\u0148 m\u00f4\u017eu by\u0165 Legacy funkcie, potrebn\u00e9 iba v jedinom exempl\u00e1ri, zapnut\u00e9 len u jedn\u00e9ho z nain\u0161talovan\u00fdch \u010dipov PCH.<\/p>\n

Tak\u017ee kone\u010dn\u00e9 slovo v n\u00e1vrhu bude patri\u0165 v\u00fdvoj\u00e1rovi platformy, ktor\u00fd bude postupova\u0165 na z\u00e1klade technologick\u00fdch aj marketingov\u00fdch faktorov v s\u00falade s pozicionovan\u00edm ka\u017ed\u00e9ho konkr\u00e9tneho produktu.
\n
Zdroj: habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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Pod\u013ea jednej verzie, je potrebn\u00e9 \u00eds\u0165 smerom k integr\u00e1cii v\u00fdpo\u010dtov\u00fdch a riadiacich zdrojov v jednom kry\u0161t\u00e1li.","canonical_url":"https:\/\/prohoster.info\/sk\/blog\/administrirovanie\/additional-uplinks-v-arhitekture-sistemnoj-logiki-intel-c620","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"sk_SK","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47Additional Uplinks \u0432 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u0435 \u0441\u0438\u0441\u0442\u0435\u043c\u043d\u043e\u0439 \u043b\u043e\u0433\u0438\u043a\u0438 Intel C620 | 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