Ọbụna n'oge ọkwa nke kaadị vidiyo mbụ nke GeForce RTX 20, ọtụtụ ndị kwenyere na Turing GPUs na-akwụghị ha ụgwọ ọ bụla maka ọnụnọ nke nkeji ndị ọzọ: RT cores na tensor cores. Ugbu a, otu onye ọrụ Reddit enyochala onyonyo infrared nke Turing TU106 na TU116 GPU wee kwubie na kọmpụta ọhụrụ anaghị ewepụta ohere dị ka e chere na mbụ.
Iji bido na, ka anyị cheta na Turing TU106 GPU bụ mgbawa NVIDIA kacha nta na kọmpat nke nwere cores RT pụrụ iche maka nchọta ray na tensor cores maka ịgbalite ọrụ ọgụgụ isi. N'aka nke ya, Turing TU116 ndịna-emeputa ihe nhazi, nke metụtara ya, na-anapụ nkeji mgbakọ ndị a pụrụ iche na ya mere e ji kpebie iji ha tụnyere.
A na-ekewa NVIDIA Turing GPUs na nkeji TPC, nke gụnyere otu ụzọ mgbasa ozi multiprocessors (Streaming Multiprocessors), nke gụnyelarị cores computing niile. Ma dị ka ọ tụgharịrị, Turing TU106 GPU nwere naanị 1,95 mm² mpaghara TPC karịa Turing TU116, ma ọ bụ 22%. N'ime mpaghara a, 1,25 mm² bụ maka cores tensor, na naanị 0,7 mm² bụ maka cores RT.
Ọ tụgharịrị na na-enweghị tensor ọhụrụ na RT cores, flagship Turing TU102 ndịna-emeputa ihe nrụpụta, nke na-adabere na GeForce RTX 2080 Ti, agaghị etinye 754 mm², kama 684 mm² (36 TPC). N'aka nke ya, Turing TU104, nke bụ ntọala nke GeForce RTX 2080, nwere ike ịnwe 498 mm² kama 545 mm² (24 TPC). Dị ka ị na-ahụ, ọbụlagodi na-enweghị tensor na RT cores, Turing GPU ga-abụ nnukwu ibe. Pascal GPU dị mkpa karịa.
Ya mere, gịnị bụ ihe mere ndị dị otú ahụ bukwanu nha? Maka mbido, Turing GPU nwere nnukwu cache nha. A na-amụbakwa nha nke shaders, na Turing chips nwere nnukwu ntụziaka ntụziaka na nnukwu ndekọ. Ihe a niile mere ka o kwe omume ịbawanye ọ bụghị naanị mpaghara, kamakwa arụmọrụ nke Turing GPUs. Dịka ọmụmaatụ, otu GeForce RTX 2060 dabere na TU106 na-enye ihe fọrọ nke nta ka ọ bụrụ otu ọkwa arụmọrụ dị ka GeForce GTX 1080 dabere na GP104. Nke ikpeazụ, n'agbanyeghị, nwere ọnụ ọgụgụ ka ukwuu nke CUDA cores 25%, n'agbanyeghị na ọ nwere mpaghara 314 mm2 megide 410 mm2 maka TU106 ọhụrụ.
isi: 3dnews.ru