Sechikamu chemusangano weGDC 2019, Google yakabata chiitiko chayo kwayakaunza yayo nyowani yekufambisa mutambo sevhisi Stadia. Isu takatotaura nezve sevhisi pachayo, uye ikozvino tinoda kukuudza zvakadzama nezve iyo itsva Google system inoshanda, nekuti inoshandisa akasiyana mhinduro dzakagadzirirwa zvakanangana nehurongwa uhu.
Chinhu chakakosha cheGoogle's system, hongu, ma graphics processors. Pano, mhinduro dzetsika kubva ku AMD dzinoshandiswa, dzinobva paVega graphics architecture. Zvinonzi imwe neimwe GPU ine makumi mashanu nenhanhatu computing units (Compute Units, CU), uye zvakare ine HBM56 memory.
Iwe unogona kufunga kuti Google inoshandisa makadhi emifananidzo akafanana nemutengi Radeon RX Vega 56. Zvisinei, chaizvoizvo, magadzirirwo echigadziro e AMD ane zvakawanda zvakakosha zvakasiyana. Chekutanga, inoshandisa kukurumidza ndangariro ine bandwidth ye484 GB/s. Mutengi Radeon RX Vega 64 ane ndangariro yakafanana, nepo mudiki Radeon RX Vega 56 anoshandisa ndangariro shoma shoma (410 GB/s). Ngationei nekukurumidza kuti huwandu hwendangariro muhurongwa i16 GB, iyo hafu, sezviri pachena, iHBM2 vhidhiyo yekurangarira, uye imwe yacho DDR4 RAM.
Asi zvinonyanya kukosha, Google inoti 10,7 teraflops yekushanda kwemaGPU ayo, sezviri pachena mune imwechete-chaiyo (FP32) kuverenga. Mutengi Radeon RX Vega 56 anongokwanisa kuita 8,3 teraflops. Zvingave zvine musoro kufunga kuti mhinduro dzeGoogle dzinoshandisa maGPU ane frequency yepamusoro. Izvi, zvakare, zvinoratidza kuti AMD yakagadzira giraidhi processor yeStadia pane yakagadziridzwa Vega II architecture, uye inogadzirwa uchishandisa 7-nm process tekinoroji.
Kana iri processor, Google haitaure kuti ndeipi mhinduro yemugadziri yayakashandisa mumasevhisi eStadia. Inongotaura kuti iyi itsika x86-inoenderana processor ine frequency ye2,7 GHz, ine 9,5 MB ye cache muchikamu chechipiri nechitatu, pamwe neakawanda-shinda (Hyperthreading) uye tsigiro yemirairo yeAVX2. Saizi yecache uye zita rekuverengera kwakawanda se "HyperThreading" inoratidza kuti iyi intel chip. Nekudaro, inotsigira chete AVX2 isina iyo yazvino AVX512 isina kunanga inotinongedzera ku AMD, iyo, uyezve, inozivikanwa zviri nani neyakajairwa machipisi. Zvingangoita kuti AMD itsva 7nm Zen 7-based processors ishandiswe pamwe ne2nm Vega GPU.
Aya ndiwo masisitimu ayo Google achazopa kune vashandisi vebasa rayo idzva remitambo Stadia. Yakawanda kwazvo simba remakomputa rinofanira kutaurwa, asi zvinodikanwa kuve nechokwadi chekuita kwepamusoro mumitambo. Uyezve, Google inoronga kupa mitambo mukugadzirisa kusvika ku4K pafrequency ye60 FPS.
Source: 3dnews.ru