{"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\/ro\/blog\/news\/graficheskij-protsessor-arm-mali-g77-stal-na-40-bystree","title":{"rendered":"Procesorul grafic ARM Mali-G77 a devenit cu 40% mai rapid","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Pe l\u00e2ng\u0103 noul nucleu de procesor Cortex-A77<\/a><\/noindex> compania ARM a prezentat un procesor grafic destinat sistemelor mobile pe un singur cip de genera\u021bie urm\u0103toare. Mali-G77, care nu trebuie confundat cu noul procesor de afi\u0219are Mali-D77<\/a><\/noindex>, marcheaz\u0103 trecerea de la arhitectura ARM Bifrost la Valhall.<\/p>\n

\"Procesorul<\/p>\n

ARM declar\u0103 o cre\u0219tere semnificativ\u0103 a performan\u021bei grafice Mali-G77 \u2014 cu 40% fa\u021b\u0103 de genera\u021bia actual\u0103 Mali-G76. Acest lucru a fost realizat at\u00e2t prin procesul tehnologic, c\u00e2t \u0219i prin \u00eembun\u0103t\u0103\u021biri arhitecturale. Mali-G77 poate avea \u00eentre 7 \u0219i 16 nuclee (\u00een viitor este posibil\u0103 scalarea de la 1 la 32), fiecare dintre acestea fiind aproape de dimensiunea celor de la G76. Prin urmare, smartphone-urile de \u00eenalt\u0103 performan\u021b\u0103 vor fi probabil echipate cu acela\u0219i num\u0103r de nuclee GPU.<\/p>\n

\"Procesorul<\/p>\n

\"Procesorul<\/p>\n

\u00cen jocuri, se poate a\u0219tepta o cre\u0219tere a performan\u021bei la niveluri \u00eentre 20 \u0219i 40%, \u00een func\u021bie de tipul de sarcini grafice. Potrivit rezultatelor testului popular Manhattan GFXBench, avantajul semnificativ al noului procesor grafic fa\u021b\u0103 de genera\u021bia actual\u0103 va face ca \u0219i compania concurent\u0103 Qualcomm s\u0103 se \u00eengrijoreze de \u00eembun\u0103t\u0103\u021birea semnificativ\u0103 a performan\u021bei graficii Adreno.<\/p>\n

\"Procesorul<\/p>\n

\"Procesorul<\/p>\n

Potrivit ARM, noua arhitectur\u0103 Mali-G77 asigur\u0103 \u00een medie o \u00eembun\u0103t\u0103\u021bire de 30% a eficien\u021bei energetice sau a performan\u021bei. A doua genera\u021bie a arhitecturii scalare ARM Valhall permite procesorului grafic s\u0103 execute simultan 16 comenzi per ciclu pe CU, comparativ cu opt \u00een Bifrost (Mali-G76). Printre alte nout\u0103\u021bi se num\u0103r\u0103: planificare dinamic\u0103 a comenzilor complet gestionat\u0103 hardware \u0219i un nou set de comenzi, p\u0103str\u00e2nd \u00een acela\u0219i timp compatibilitatea cu Bifrost. A fost ad\u0103ugat\u0103 suport pentru formatul de compresie ARM AFBC1.3 \u0219i alte nout\u0103\u021bi (FP16 render targets, layered rendering \u0219i vertex shader outputs).<\/p>\n

<\/center>
\n\"Procesorul<\/p>\n

\"Procesorul<\/p>\n

\u00cen Bifrost, fiecare CU con\u021binea 3 motoare de execu\u021bie a instruc\u021biunilor, fiecare av\u00e2nd un cache de instruc\u021biuni, un registru \u0219i un bloc de control Warp. Distribu\u021bia pe aceste trei motoare permitea executarea a 24 de instruc\u021biuni FMA cu o precizie de 32 de bi\u021bi \u00een calculele \u00een virgul\u0103 mobil\u0103 (FP32). \u00cen Valhall, fiecare CU dispune de un singur motor de execu\u021bie a instruc\u021biunilor, \u00eemp\u0103r\u021bit \u00eentre dou\u0103 module de calcul, capabile s\u0103 proceseze c\u00e2te 16 comenzi Warp pe ciclu, asigur\u00e2nd astfel o capacitate total\u0103 de 32 de instruc\u021biuni FMA FP32 pe CU. Datorit\u0103 acestor modific\u0103ri arhitecturale, \u00een timpul calculelor paralele, Mali-G77 poate efectua cu o treime mai multe calcule matematice comparativ cu Mali-G76.<\/p>\n

\"Procesorul<\/p>\n

\"Procesorul<\/p>\n

\u00cen plus, fiecare dintre aceste module de calcul CU con\u021bine dou\u0103 blocuri func\u021bionale matematice noi. Noul modul de conversie (CVT) proceseaz\u0103 instruc\u021biuni \u00eentregi, logice, de ramificare \u0219i de conversie. Blocul de func\u021bii speciale (SFU) accelereaz\u0103 opera\u021biile de multiplicare a numerelor \u00eentregi, \u00eemp\u0103r\u021bire, r\u0103d\u0103cin\u0103 p\u0103trat\u0103, logaritmi \u0219i alte func\u021bii \u00eentregi complexe.<\/p>\n

\"Procesorul<\/p>\n

\"Procesorul<\/p>\n

Unitatea FMA standard are mai multe configura\u021bii care suport\u0103 executarea a 16 instruc\u021biuni FP32 pe ciclu, 32 \u2014 FP16 sau 64 \u2014 Dot Product INT8. Aceste optimiz\u0103ri pot asigura cre\u0219teri de performan\u021b\u0103 \u00een aplica\u021biile de \u00eenv\u0103\u021bare automat\u0103 de p\u00e2n\u0103 la 60%.<\/p>\n

\"Procesorul<\/p>\n

\"Procesorul<\/p>\n

O alt\u0103 modificare cheie \u00een Mali-G77 este dublarea performan\u021bei modulului de texturare, care acum proceseaz\u0103 4 texeluri bilineare pe ciclu, comparativ cu dou\u0103 anterior, 2 texeluri trilineare pe ciclu, asigur\u00e2nd o filtrare mai rapid\u0103 pentru FP16 \u0219i FP32.<\/p>\n

\"Procesorul<\/p>\n

\"Procesorul<\/p>\n

ARM a implementat \u0219i o serie de alte modific\u0103ri, astfel c\u0103 Mali-G77 \u0219i Valhall promit o cre\u0219tere semnificativ\u0103 a performan\u021bei pentru sarcinile de gaming \u0219i pentru sarcinile de \u00eenv\u0103\u021bare automat\u0103. Este important de men\u021bionat c\u0103 consumul de energie \u0219i aria cipului sunt men\u021binute la nivelul Bifrost, promit\u00e2nd lansarea de dispozitive mobile cu o performan\u021b\u0103 de v\u00e2rf mai mare f\u0103r\u0103 a cre\u0219te cerin\u021bele de consum de energie, disiparea c\u0103ldurii \u0219i dimensiunea.<\/p>\n

<\/p>\n

<\/center><\/p>\n

\t\t\t\t


\n\t\t\t\t\t\t\t\t<\/center>
Sursa: 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\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\udd47Unitatea grafic\u0103 ARM Mali-G77 a devenit cu 40% mai rapid\u0103 | ProHoster","description":"\u00cempreun\u0103 cu noul nucleu de procesor Cortex-A77, ARM a prezentat o unitate grafic\u0103 destinat\u0103 sistemelor mobile pe un singur 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