{"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\/da\/blog\/news\/graficheskij-protsessor-arm-mali-g77-stal-na-40-bystree","title":{"rendered":"Grafikprocessoren ARM Mali-G77 er blevet 40 % hurtigere","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Sammen med den nye processorarkitektur Cortex-A77<\/a><\/noindex> pr\u00e6senterede ARM en grafisk processor designet til n\u00e6ste generations mobile system-on-chip. Mali-G77, som ikke skal forveksles med den nye displayprocessor Mali-D77<\/a><\/noindex>, markerer overgangen fra ARM Bifrost-arkitektur til Valhall.<\/p>\n

\"Grafikprocessoren<\/p>\n

ARM annoncerer en betydelig stigning i grafisk ydeevne for Mali-G77 \u2013 40 % sammenlignet med den nuv\u00e6rende generation Mali-G76. Dette er opn\u00e5et b\u00e5de gennem produktionsprocessen og arkitektoniske forbedringer. Mali-G77 kan have mellem 7 og 16 kerner (fremadskuende er skalering fra 1 til 32 mulig), og hver af dem er n\u00e6sten af samme st\u00f8rrelse som G76. Derfor vil h\u00f8jtydende smartphones sandsynligvis v\u00e6re udstyret med det samme antal GPU-kerner.<\/p>\n

\"Grafikprocessoren<\/p>\n

\"Grafikprocessoren<\/p>\n

I spil kan der forventes en ydeevneforbedring p\u00e5 mellem 20 og 40 %, afh\u00e6ngigt af typen af grafiske belastninger. If\u00f8lge resultaterne fra den popul\u00e6re Manhattan GFXBench-test vil den betydelige overlegenhed af den nye grafiske processor over den nuv\u00e6rende generation bekymre konkurrenten Qualcomm om en betydelig forbedring af grafikken i Adreno.<\/p>\n

\"Grafikprocessoren<\/p>\n

\"Grafikprocessoren<\/p>\n

If\u00f8lge ARM giver den nye Mali-G77-arkitektur i sig selv et gennemsnitligt 30% forbedring i energieffektivitet eller ydeevne. Det andet generation af ARM Valhall skalararkitektur giver grafikkortet mulighed for at udf\u00f8re 16 instruktioner pr. cyklus pr. CU sammenlignet med otte i Bifrost (Mali-G76). Blandt andre nyheder: fuldt hardware-styret dynamisk planl\u00e6gning af instruktioner og et helt nyt kommando-s\u00e6t med tilbageholdelse af bagudkompatibilitet med Bifrost. ARM AFBC1.3 komprimeringsformatet og andre nyheder (FP16-renderingsm\u00e5l, lagdelt rendering og vertices shader outputs) er ogs\u00e5 blevet tilf\u00f8jet.<\/p>\n

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

\"Grafikprocessoren<\/p>\n

I Bifrost CU var der 3 kommandoudf\u00f8relsesmotorer, hvor hver inkluderede en instruktionscache, et register og en Warp kontrolblok. Fordelingen p\u00e5 disse tre motorer gjorde det muligt at udf\u00f8re 24 FMA-instruktioner med 32-bit flydende pr\u00e6cision (FP32). I Valhall har hver CU kun \u00e9n kommandoudf\u00f8relsesmotor, delt mellem to beregningsmoduler, der kan h\u00e5ndtere 16 Warp-instruktioner per taktik, hvilket giver en samlet b\u00e5ndbredde p\u00e5 32 FMA FP32-instruktioner per CU. Takket v\u00e6re disse arkitektoniske \u00e6ndringer kan Mali-G77 udf\u00f8re en tredjedel flere matematiske beregninger i parallelle beregninger sammenlignet med Mali-G76.<\/p>\n

\"Grafikprocessoren<\/p>\n

\"Grafikprocessoren<\/p>\n

Derudover indeholder hver af disse CU-beregningsmoduler to nye matematiske funktionsblokke. Den nye konverteringsmodul (CVT) h\u00e5ndterer grundl\u00e6ggende hele tal, logiske, forgrening og konverteringsinstruktioner. Specialfunktionsblokken (SFU) accelererer operationer som multiplikation af hele tal, division, kvadratsrod, logaritmer og andre komplekse hele talfunktioner.<\/p>\n

\"Grafikprocessoren<\/p>\n

\"Grafikprocessoren<\/p>\n

Den standard FMA-block har flere indstillinger, der underst\u00f8tter udf\u00f8relse af 16 FP32-instruktioner per cyklus, 32 FP16 eller 64 INT8 Dot Product. Disse optimeringer kan give op til 60 % ydeevneforbedring i maskinl\u00e6ringsapplikationer.<\/p>\n

\"Grafikprocessoren<\/p>\n

\"Grafikprocessoren<\/p>\n

En anden v\u00e6sentlig \u00e6ndring i Mali-G77 er fordoblingen af ydeevnen for teksturmodulet, der nu behandler 4 biline\u00e6re texels per cyklus sammenlignet med to f\u00f8r, samt 2 triline\u00e6re texels per cyklus, hvilket sikrer hurtigere filtrering af FP16 og FP32.<\/p>\n

\"Grafikprocessoren<\/p>\n

\"Grafikprocessoren<\/p>\n

ARM har ogs\u00e5 foretaget en r\u00e6kke andre \u00e6ndringer, hvilket g\u00f8r, at Mali-G77 og Valhall lover en betydelig stigning i ydeevnen til spilopgaver og maskinl\u00e6ring. Det er vigtigt at bem\u00e6rke, at energiforbruget og chiparealet er bevaret p\u00e5 Bifrost-niveau, hvilket lover lanceringen af mobile enheder med h\u00f8jere spidsydelse uden at \u00f8ge kravene til energiforbrug, varmeafledning og st\u00f8rrelse.<\/p>\n

<\/p>\n

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Kilde: 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\udd47ARM Mali-G77 grafikkortet er 40 % hurtigere | ProHoster","description":"Sammen med den nye Cortex-A77 processorkerne pr\u00e6senterede ARM et grafisk processor, der er designet til mobile 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