Pamwe chete neiyo nyowani processor core ARM yakaunza giraidhi processor yakagadzirirwa chizvarwa chinotevera mobile single-chip masisitimu. Mali-G77, iyo isingafanirwe kuvhiringidzwa neiyo nyowani yekuratidzira processor , inoratidza shanduko kubva kuArM Bifrost architecture kuenda kuValhall.
ARM inozivisa kuwedzera kwakakosha kwekuita kwemifananidzo yeMali-G77 - ne40% kana ichienzaniswa nechizvarwa chazvino cheMali-G76. Izvi zvakawanikwa zvese kuburikidza nehunyanzvi hwekuita uye kuvandudzwa kwezvivakwa. Iyo Mali-G77 inogona kuva kubva pa7 kusvika ku16 cores (kuyera kubva pa1 kusvika ku32 kunogoneka mune ramangwana), uye imwe neimwe yadzo inenge yakaenzana saizi neG76. Nekuda kweizvozvo, mafoni epamusoro-soro anogona kunge aine nhamba yakafanana yeGPU cores.
Mumitambo, unogona kutarisira kuvandudzwa kwekuita kwepakati pe20 ne40%, zvichienderana nerudzi rwemifananidzo yebasa. Tichitarisa nemhedzisiro yeyeyedzo yeManhattan GFXBench yakakurumbira, hukuru hwakakosha hweGPU nyowani pamusoro pechizvarwa chazvino huchamanikidza mukwikwidzi weQualcomm kuti anetseke nezvekuvandudzwa kwakakosha mukuita kweAdreno graphics.
Payo pachayo, iyo itsva Mali-G77 yekuvaka inopa avhareji makumi matatu muzana kuvandudzwa kwesimba rekuita kana kuita, ARM inodaro. Chizvarwa chechipiri cheArM Valhall scalar architecture inobvumira iyo GPU kuita mirairo gumi nenhanhatu pakutenderera kwakafanana paCU, zvichienzaniswa nesere muBifrost (Mali-G30). Mamwe magadzirirwo anosanganisira yakazara-inotyairwa kuraira kurongeka uye nyowani nyowani yekuraira seti uchichengeta kumashure kuenderana neBifrost. Tsigiro yeARM AFBC16 yekumanikidza fomati uye zvimwe zvitsva (FP76 inopa tarisiro, akaturikidzana kupa uye vertex shader zvabuda) zvawedzerwawo.
Bifrost CU yaive ne3 execution engines, imwe neimwe yaisanganisira cache yekuraira, rejista, uye Warp control unit. Kugovera mumainjini matatu aya kwakabvumira 24 FMA mirairo kuti iitwe pa 32-bit floating point precision (FP32). MuValhall, CU imwe neimwe ine injini yekuuraya imwe chete, yakakamurwa pakati pezvikamu zviviri zvekombuta zvinokwanisa kugadzirisa mirairo gumi nenhanhatu yeWarp pawachi, zvichikonzera kubuda kwe16 FMA FP32 mirairo paCU. Kutenda kune idzi shanduko dzezvivakwa, Mali-G32 inogona kuita chikamu chimwe muzvitatu chekuwedzera masvomhu mukuverenga kwakafanana kana ichienzaniswa neMali-G77.
Pamusoro pezvo, imwe neimwe yeiyi maCU ine maviri matsva emasvomhu ebasa mabhuroko. Iyo nyowani yekushandura injini (CVT) inobata basic integer, zvine musoro, bazi, uye kutendeuka mirairo. Iyo Special Function Unit (SFU) inomhanyisa kuwedzera kuwanda, kupatsanura, square root, logarithms, uye mamwe mabasa akaomarara.
Iyo yakajairwa FMA block ine akati wandei marongero anotsigira gumi nematanhatu FP16 mirairo kutenderera, 32 yeFP32, kana 16 yeINT64 Dot Chigadzirwa. Aya ma optimizations anogona kupa anosvika makumi matanhatu muzana ekuvandudza mashandiro mumashini ekudzidza maapplication.
Imwe shanduko yakakosha muMali-G77 kupeta kaviri kwekuita kweinjini yekugadzira, iyo ikozvino inoshandisa 4 bilinear texels pawachi kana ichienzaniswa nembiri yapfuura, 2 trilinear texels pawachi, ichigonesa kukurumidza FP16 uye FP32 kusefa.
ARM yakaita dzimwe shanduko dzakati wandei, neMali-G77 neValhall ichivimbisa kuvandudzwa kwekuita kwemitambo uye basa rekudzidza muchina. Zvakakosha, mashandisirwo emagetsi uye chip nzvimbo anochengetwa paBifrost mazinga, achivimbisa nharembozha ine yepamusoro peak performance pasina kuwedzera simba rekushandisa, kupisa kupisa uye saizi zvinodiwa.
Source: 3dnews.ru