{"id":34756,"date":"2019-10-31T22:00:14","date_gmt":"2019-10-31T19:00:14","guid":{"rendered":"https:\/\/prohoster.info\/blog\/graficheskij-protsessor-arm-mali-g77-stal-na-40-bystree\/"},"modified":"2019-10-31T22:00:14","modified_gmt":"2019-10-31T19:00:14","slug":"graficheskij-protsessor-arm-mali-g77-stal-na-40-bystree","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/graficheskij-protsessor-arm-mali-g77-stal-na-40-bystree","title":{"rendered":"Grafika protsessor ARM Mali-G77 on 40% kiirem","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Koos uue protsessorituumaga Cortex-A77<\/a><\/noindex> ettev\u00f5te ARM tutvustas graafikaprotsessorit, mis on m\u00f5eldud j\u00e4rgmise p\u00f5lvkonna mobiilsetele SoC-dele. Mali-G77, mida ei tohi segamini ajada uue ekraaniprotsessoriga Mali-D77<\/a><\/noindex>, t\u00e4histab \u00fcleminekut arhitektuurilt ARM Bifrost arhitektuurile Valhall.<\/p>\n

\"Grafika<\/p>\n

ARM deklareerib m\u00e4rkimisv\u00e4\u00e4rset kasvu Mali-G77 graafikaj\u00f5udluses \u2013 40% v\u00f5rreldes praeguse Mali-G76 p\u00f5lvkonnaga. See saavutatakse nii tehnoloogia kui ka arhitektuuriliste t\u00e4iustuste kaudu. Mali-G77 v\u00f5ib omada 7 kuni 16 tuuma (ulemaailmses plaanis on v\u00f5imalik skaleerida 1 kuni 32), kusjuures iga\u00fche suurus on peaaegu sama kui G76-l. Seet\u00f5ttu t\u00f5en\u00e4oliselt varustatakse k\u00f5rgj\u00f5udlusega nutitelefone sama tuumade arvuga GPU-ga.<\/p>\n

\"Grafika<\/p>\n

\"Grafika<\/p>\n

M\u00e4ngudes v\u00f5ib oodata j\u00f5udluse t\u00f5usu vahemikus 20 kuni 40%, s\u00f5ltuvalt graafilistest koormustest. Populaarse Manhattan GFXBench testi tulemuste p\u00f5hjal sunnib uue graafikaprotsessori m\u00e4rkimisv\u00e4\u00e4rne eelis praeguse p\u00f5lvkonna kohal konkurente nagu Qualcomm t\u00f5siselt muretsema enda Adreno graafika j\u00f5udluse olulise paranemise \u00fcle.<\/p>\n

\"Grafika<\/p>\n

\"Grafika<\/p>\n

ARM-i s\u00f5nul tagab uus Mali-G77 arhitektuur keskmiselt 30% energiat\u00f5hususe v\u00f5i j\u00f5udluse paranemist. ARM Valhall skalaari arhitektuuri teine p\u00f5lvkond v\u00f5imaldab graafikaprotsessoril samaaegselt t\u00e4ita 16 k\u00e4sku ts\u00fckli jooksul CU kohta, v\u00f5rreldes kaheksa k\u00e4sklusena Bifrostis (Mali-G76). Teiste uuenduste seas: t\u00e4ielikult riistvaras hallatav d\u00fcnaamiline k\u00e4skude ajakava ja t\u00e4iesti uus k\u00e4skude komplekt, mis s\u00e4ilitab tagasivaatavuse Bifrosti suhtes. Samuti on lisatud ARM AFBC1.3 tihendusformaadi tugi ja teised uuendused (FP16 renderdamise sihtm\u00e4rgid, kihiline renderdamine ja verteksi shaderi v\u00e4ljundid).<\/p>\n

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\n\"Grafika<\/p>\n

\"Grafika<\/p>\n

Bifrost CU-s oli kolm k\u00e4skude t\u00e4itmise mootorit, millest iga\u00fchel oli k\u00e4skude vahem\u00e4lu, register ja Warp kontrollplokk. Jagamine nende kolme mootori vahel v\u00f5imaldas t\u00e4ita 24 FMA k\u00e4sku 32-bitise ujukoma t\u00e4psusega (FP32). Valhallis on iga CU-l vaid \u00fcks k\u00e4skude t\u00e4itmise mootor, mis on jagatud kahe arvutusmoduli vahel, mis suudavad t\u00f6\u00f6tleda 16 Warp k\u00e4sku taktikeskonnas, tagades seega 32 FMA FP32 k\u00e4sku CU kohta. T\u00e4nu nendele arhitektuurilistele muudatustele suudab Mali-G77 paralleelsete arvutuste korral teostada kolmandiku v\u00f5rra enam matemaatilisi arvutusi v\u00f5rreldes Mali-G76-ga.<\/p>\n

\"Grafika<\/p>\n

\"Grafika<\/p>\n

Lisaks sisaldab iga selline CU arvutusmodul kahe uut matemaatilist funktsionaalse ploki. Uus muundamismoodul (CVT) t\u00f6\u00f6tleb p\u00f5hilisi t\u00e4isarvurohkeid, loogilisi, haruvaid ja muundamisjuhiseid. Spetsiaalsete funktsioonide plokk (SFU) kiirendab t\u00e4isarvude kordaja, jagamise, ruutjuure, logaritmide ja muude keerukate t\u00e4isarvufunktsioonide operatsioone.<\/p>\n

\"Grafika<\/p>\n

\"Grafika<\/p>\n

Standardsetes FMA plokkides on mitmeid seadistusi, mis toetavad 16 FP32 k\u00e4su t\u00e4itmist ts\u00fckli kohta, 32 \u2013 FP16 v\u00f5i 64 \u2013 INT8 Dot Product. Need optimeerimised v\u00f5ivad pakkuda j\u00f5udluse suurenemist masin\u00f5ppe rakendustes kuni 60%.<\/p>\n

\"Grafika<\/p>\n

\"Grafika<\/p>\n

Teiseks oluline muudatus Mali-G77-s on tekstuurimooduli j\u00f5udluse kahekordistamine, mis now k\u00e4itleb 4 bilineaarset tekstuuri ts\u00fckli kohta v\u00f5rreldes varasemate kahega, ning 2 trilineaarset tekstuuri ts\u00fckli kohta, pakkudes kiiremat FP16 ja FP32 filtrimist.<\/p>\n

\"Grafika<\/p>\n

\"Grafika<\/p>\n

ARM on teinud ka mitmeid muid muudatusi, mille tulemusel lubavad Mali-G77 ja Valhall m\u00e4rkimisv\u00e4\u00e4rset j\u00f5udluse t\u00f5usu m\u00e4ngukoormuste ja masin\u00f5ppe \u00fclesannete jaoks. On oluline m\u00e4rkida, et energiatarve ja kiibi pindala on s\u00e4ilinud Bifrosti tasemel, mis lubab v\u00e4lja anda mobiilseid seadmeid, millel on k\u00f5rgem tippj\u00f5udlus ilma energiatarbimise, jahutuse ja suuruse n\u00f5uete suurenemiseta.<\/p>\n

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Allikas: 3dnews.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041d\u0430\u0440\u044f\u0434\u0443 \u0441 \u043d\u043e\u0432\u044b\u043c \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u043d\u044b\u043c \u044f\u0434\u0440\u043e\u043c Cortex-A77 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u044f ARM \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0430 \u0433\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u0438\u0439 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440, \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u043d\u044b\u0439 \u0434\u043b\u044f \u043c\u043e\u0431\u0438\u043b\u044c\u043d\u044b\u0445 \u043e\u0434\u043d\u043e\u043a\u0440\u0438\u0441\u0442\u0430\u043b\u044c\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0435\u0433\u043e \u043f\u043e\u043a\u043e\u043b\u0435\u043d\u0438\u044f. Mali-G77, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043d\u0435 \u0441\u043b\u0435\u0434\u0443\u0435\u0442 \u043f\u0443\u0442\u0430\u0442\u044c \u0441 \u043d\u043e\u0432\u044b\u043c \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u043e\u043c \u0434\u0438\u0441\u043f\u043b\u0435\u044f Mali-D77, \u0437\u043d\u0430\u043c\u0435\u043d\u0443\u0435\u0442 \u0441\u043e\u0431\u043e\u0439 \u043f\u0435\u0440\u0435\u0445\u043e\u0434 \u0441 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b ARM Bifrost \u0438 \u043d\u0430 Valhall. ARM \u0434\u0435\u043a\u043b\u0430\u0440\u0438\u0440\u0443\u0435\u0442 \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0435\u043d\u043d\u044b\u0439 \u043f\u0440\u0438\u0440\u043e\u0441\u0442 \u0433\u0440\u0430\u0444\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438 Mali-G77 — \u043d\u0430 40 % \u043f\u043e \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044e \u0441 \u0441\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u043c \u043f\u043e\u043a\u043e\u043b\u0435\u043d\u0438\u0435\u043c Mali-G76. […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-34756","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47ARM Mali-G77 graafikaprotsessor on saanud 40% kiiremaks | ProHoster","description":"Koos uue Cortex-A77 protsessori tuumaga tutvustas ARM mobiilsete \u00fchtekiibiliste jaoks m\u00f5eldud 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