{"id":27003,"date":"2025-09-24T13:30:42","date_gmt":"2025-09-24T06:30:42","guid":{"rendered":"https:\/\/vbee.vn\/blog\/?p=27003"},"modified":"2025-10-10T10:53:11","modified_gmt":"2025-10-10T03:53:11","slug":"nvidia-nvlink","status":"publish","type":"post","link":"https:\/\/vbee.vn\/blog\/nvidia\/nvidia-nvlink\/","title":{"rendered":"NVIDIA NVLink l\u00e0 g\u00ec? C\u00f4ng ngh\u1ec7 \u201cxa l\u1ed9 d\u1eef li\u1ec7u\u201d t\u0103ng t\u1ed1c GPU v\u01b0\u1ee3t tr\u1ed9i"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\"><div class=\"ez-toc-title-container\"><p class=\"ez-toc-title\" style=\"cursor:inherit\">N\u1ed9i dung ch\u00ednh<\/p><span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div><nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/vbee.vn\/blog\/nvidia\/nvidia-nvlink\/#1_NVIDIA_NVLink_la_gi\" >1. NVIDIA NVLink l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/vbee.vn\/blog\/nvidia\/nvidia-nvlink\/#2_Lich_su_phat_trien_cua_NVIDIA_NVLink\" >2. L\u1ecbch s\u1eed ph\u00e1t tri\u1ec3n c\u1ee7a NVIDIA NVLink<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/vbee.vn\/blog\/nvidia\/nvidia-nvlink\/#3_NVIDIA_NVLink_hoat_dong_nhu_the_nao\" >3. NVIDIA NVLink ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/vbee.vn\/blog\/nvidia\/nvidia-nvlink\/#4_Diem_noi_bat_cua_NVLink\" >4. \u0110i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a NVLink<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/vbee.vn\/blog\/nvidia\/nvidia-nvlink\/#41_Bang_thong_cuc_cao\" >4.1 B\u0103ng th\u00f4ng c\u1ef1c cao<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/vbee.vn\/blog\/nvidia\/nvidia-nvlink\/#42_Ket_noi_GPU_truc_tiep\" >4.2 K\u1ebft n\u1ed1i GPU tr\u1ef1c ti\u1ebfp<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/vbee.vn\/blog\/nvidia\/nvidia-nvlink\/#43_Lien_ket_bo_nho_GPU_Memory_Pooling\" >4.3 Li\u00ean k\u1ebft b\u1ed9 nh\u1edb GPU (Memory Pooling)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/vbee.vn\/blog\/nvidia\/nvidia-nvlink\/#44_Hieu_suat_cao_nhung_tiet_kiem_nang_luong\" >4.4 Hi\u1ec7u su\u1ea5t cao nh\u01b0ng ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/vbee.vn\/blog\/nvidia\/nvidia-nvlink\/#45_Ung_dung_rong_rai_trong_AI_va_HPC\" >4.5 \u1ee8ng d\u1ee5ng r\u1ed9ng r\u00e3i trong AI v\u00e0 HPC<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/vbee.vn\/blog\/nvidia\/nvidia-nvlink\/#46_Kha_nang_mo_rong_linh_hoat\" >4.6 Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng linh ho\u1ea1t<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/vbee.vn\/blog\/nvidia\/nvidia-nvlink\/#5_Ung_dung_thuc_te_cua_NVLink\" >5. \u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a NVLink<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/vbee.vn\/blog\/nvidia\/nvidia-nvlink\/#51_Tri_tue_nhan_tao_AI_va_hoc_sau_Deep_Learning\" >5.1 Tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o (AI) v\u00e0 h\u1ecdc s\u00e2u (Deep Learning)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/vbee.vn\/blog\/nvidia\/nvidia-nvlink\/#52_Dien_toan_hieu_nang_cao_HPC\" >5.2 \u0110i\u1ec7n to\u00e1n hi\u1ec7u n\u0103ng cao (HPC)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/vbee.vn\/blog\/nvidia\/nvidia-nvlink\/#53_Ket_xuat_do_hoa_va_dung_phim_Rendering_CGI\" >5.3 K\u1ebft xu\u1ea5t \u0111\u1ed3 h\u1ecda v\u00e0 d\u1ef1ng phim (Rendering &amp; CGI)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/vbee.vn\/blog\/nvidia\/nvidia-nvlink\/#54_Phan_tich_du_lieu_lon_Big_Data_Analytics\" >5.4 Ph\u00e2n t\u00edch d\u1eef li\u1ec7u l\u1edbn (Big Data Analytics)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/vbee.vn\/blog\/nvidia\/nvidia-nvlink\/#55_Sieu_may_tinh_va_trung_tam_du_lieu\" >5.5 Si\u00eau m\u00e1y t\u00ednh v\u00e0 trung t\u00e2m d\u1eef li\u1ec7u<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/vbee.vn\/blog\/nvidia\/nvidia-nvlink\/#56_O_to_tu_hanh_va_cong_nghe_lai_xe_thong_minh\" >5.6 \u00d4 t\u00f4 t\u1ef1 h\u00e0nh v\u00e0 c\u00f4ng ngh\u1ec7 l\u00e1i xe th\u00f4ng minh<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/vbee.vn\/blog\/nvidia\/nvidia-nvlink\/#6_Nhung_cau_hoi_thuong_gap_ve_NVIDIA_NVLink\" >6. Nh\u1eefng c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 NVIDIA NVLink<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/vbee.vn\/blog\/nvidia\/nvidia-nvlink\/#61_NVLink_khac_gi_so_voi_PCIe\" >6.1 NVLink kh\u00e1c g\u00ec so v\u1edbi PCIe?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/vbee.vn\/blog\/nvidia\/nvidia-nvlink\/#62_Nhung_GPU_nao_ho_tro_NVLink\" >6.2 Nh\u1eefng GPU n\u00e0o h\u1ed7 tr\u1ee3 NVLink?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/vbee.vn\/blog\/nvidia\/nvidia-nvlink\/#63_NVLink_co_ton_nhieu_dien_nang_khong\" >6.3 NVLink c\u00f3 t\u1ed1n nhi\u1ec1u \u0111i\u1ec7n n\u0103ng kh\u00f4ng?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/vbee.vn\/blog\/nvidia\/nvidia-nvlink\/#64_NVLink_duoc_ung_dung_nhieu_nhat_trong_linh_vuc_nao\" >6.4 NVLink \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng nhi\u1ec1u nh\u1ea5t trong l\u0129nh v\u1ef1c n\u00e0o?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/vbee.vn\/blog\/nvidia\/nvidia-nvlink\/#65_NVLink_co_can_thiet_cho_nguoi_dung_pho_thong_khong\" >6.5 NVLink c\u00f3 c\u1ea7n thi\u1ebft cho ng\u01b0\u1eddi d\u00f9ng ph\u1ed5 th\u00f4ng kh\u00f4ng?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div><p><strong>NVIDIA NVLink l\u00e0 c\u00f4ng ngh\u1ec7 k\u1ebft n\u1ed1i si\u00eau t\u1ed1c gi\u00fap GPU giao ti\u1ebfp tr\u1ef1c ti\u1ebfp, chia s\u1ebb b\u1ed9 nh\u1edb v\u00e0 x\u1eed l\u00fd d\u1eef li\u1ec7u l\u1edbn nhanh h\u01a1n PCIe nhi\u1ec1u l\u1ea7n. C\u00f9ng t\u00ecm hi\u1ec3u s\u00e2u h\u01a1n v\u1ec1 NVIDIA NVLink l\u00e0 g\u00ec, c\u00e1ch ho\u1ea1t \u0111\u1ed9ng v\u00e0 \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf qua b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y.<\/strong><\/p><p style=\"text-align: center;\"><p><iframe style=\"position: relative; top: 0px; border: none;\" title=\"H\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng\" src=\"https:\/\/vbee.vn\/demo\" width=\"100%\" height=\"320\"><\/iframe><\/p><h2><span class=\"ez-toc-section\" id=\"1_NVIDIA_NVLink_la_gi\"><\/span>1. NVIDIA NVLink l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2><p>NVIDIA NVLink l\u00e0 <a href=\"https:\/\/vbee.vn\/blog\/qualcomm\/cong-nghe-ket-noi\/\">c\u00f4ng ngh\u1ec7 k\u1ebft n\u1ed1i<\/a> t\u1ed1c \u0111\u1ed9 cao do NVIDIA ph\u00e1t tri\u1ec3n, cho ph\u00e9p GPU giao ti\u1ebfp tr\u1ef1c ti\u1ebfp v\u1edbi nhau ho\u1eb7c v\u1edbi CPU th\u00f4ng qua m\u1ed9t \u201c\u0111\u01b0\u1eddng truy\u1ec1n ri\u00eang\u201d nhanh h\u01a1n nhi\u1ec1u so v\u1edbi chu\u1ea9n PCIe th\u00f4ng th\u01b0\u1eddng. C\u00f4ng ngh\u1ec7 n\u00e0y ra \u0111\u1eddi \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u truy\u1ec1n d\u1eef li\u1ec7u kh\u1ed5ng l\u1ed3 trong c\u00e1c t\u00e1c v\u1ee5 t\u00ednh to\u00e1n hi\u1ec7u n\u0103ng cao, \u0111\u1eb7c bi\u1ec7t l\u00e0 <a href=\"https:\/\/vbee.vn\/blog\/ai\/\">tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o<\/a> (AI) v\u00e0 <a href=\"https:\/\/vbee.vn\/blog\/ai\/machine-learning\/\">h\u1ecdc m\u00e1y<\/a>.<\/p><p>C\u00f3 th\u1ec3 h\u00ecnh dung NVLink nh\u01b0 m\u1ed9t \u201cxa l\u1ed9 d\u1eef li\u1ec7u si\u00eau t\u1ed1c\u201d, gi\u00fap c\u00e1c GPU chia s\u1ebb th\u00f4ng tin v\u00e0 b\u1ed9 nh\u1edb nhanh ch\u00f3ng m\u00e0 kh\u00f4ng c\u1ea7n \u0111i v\u00f2ng qua CPU nh\u01b0 \u1edf c\u00e1c h\u1ec7 th\u1ed1ng truy\u1ec1n th\u1ed1ng. Nh\u1edd v\u1eady, qu\u00e1 tr\u00ecnh x\u1eed l\u00fd tr\u1edf n\u00ean m\u01b0\u1ee3t m\u00e0 v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n r\u1ea5t nhi\u1ec1u.<\/p><p>M\u1ee5c ti\u00eau ch\u00ednh c\u1ee7a NVLink l\u00e0 gi\u1ea3i quy\u1ebft \u201cn\u00fat th\u1eaft c\u1ed5 chai\u201d trong ki\u1ebfn tr\u00fac m\u00e1y t\u00ednh hi\u1ec7n \u0111\u1ea1i: b\u0103ng th\u00f4ng truy\u1ec1n d\u1eef li\u1ec7u gi\u1eefa c\u00e1c th\u00e0nh ph\u1ea7n t\u00ednh to\u00e1n. Khi GPU ng\u00e0y c\u00e0ng m\u1ea1nh v\u00e0 kh\u1ea3 n\u0103ng x\u1eed l\u00fd song song t\u0103ng l\u00ean, vi\u1ec7c c\u00f3 m\u1ed9t k\u00eanh k\u1ebft n\u1ed1i t\u1ed1c \u0111\u1ed9 cao nh\u01b0 NVLink tr\u1edf th\u00e0nh y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 khai th\u00e1c t\u1ed1i \u0111a hi\u1ec7u su\u1ea5t h\u1ec7 th\u1ed1ng.<\/p><figure id=\"attachment_27006\" aria-describedby=\"caption-attachment-27006\" style=\"width: 768px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-27006 size-full\" src=\"https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2025\/09\/NVIDIA-NVLink-la-gi.webp\" alt=\"NVIDIA NVLink \u2013 c\u00f4ng ngh\u1ec7 k\u1ebft n\u1ed1i GPU t\u1ed1c \u0111\u1ed9 cao, cho ph\u00e9p truy\u1ec1n d\u1eef li\u1ec7u v\u00e0 chia s\u1ebb b\u1ed9 nh\u1edb nhanh v\u01b0\u1ee3t tr\u1ed9i so v\u1edbi PCIe.\" width=\"768\" height=\"428\" title=\"\" srcset=\"https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2025\/09\/NVIDIA-NVLink-la-gi.webp 768w, https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2025\/09\/NVIDIA-NVLink-la-gi-300x167.webp 300w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><figcaption id=\"caption-attachment-27006\" class=\"wp-caption-text\">NVIDIA NVLink \u2013 c\u00f4ng ngh\u1ec7 k\u1ebft n\u1ed1i GPU t\u1ed1c \u0111\u1ed9 cao, cho ph\u00e9p truy\u1ec1n d\u1eef li\u1ec7u v\u00e0 chia s\u1ebb b\u1ed9 nh\u1edb nhanh v\u01b0\u1ee3t tr\u1ed9i so v\u1edbi PCIe.<\/figcaption><\/figure><h2><span class=\"ez-toc-section\" id=\"2_Lich_su_phat_trien_cua_NVIDIA_NVLink\"><\/span>2. L\u1ecbch s\u1eed ph\u00e1t tri\u1ec3n c\u1ee7a NVIDIA NVLink<span class=\"ez-toc-section-end\"><\/span><\/h2><p><strong>2016 \u2013 Pascal (NVLink th\u1ebf h\u1ec7 1):<\/strong> \u1ede th\u1ebf h\u1ec7 \u0111\u1ea7u ti\u00ean n\u00e0y, NVLink \u0111\u00e3 t\u1ea1o d\u1ea5u \u1ea5n m\u1ea1nh m\u1ebd khi \u0111\u1ea1t b\u0103ng th\u00f4ng l\u00ean t\u1edbi 160 GB\/s, v\u01b0\u1ee3t xa chu\u1ea9n PCIe Gen3 l\u00fac b\u1ea5y gi\u1edd. \u0110\u00e2y l\u00e0 b\u01b0\u1edbc kh\u1edfi \u0111\u1ea7u quan tr\u1ecdng, m\u1edf ra k\u1ef7 nguy\u00ean k\u1ebft n\u1ed1i t\u1ed1c \u0111\u1ed9 cao gi\u1eefa c\u00e1c GPU.<\/p><figure id=\"attachment_27007\" aria-describedby=\"caption-attachment-27007\" style=\"width: 768px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-27007 size-full\" src=\"https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2025\/09\/Pascal.webp\" alt=\"NVLink Pascal\" width=\"768\" height=\"450\" title=\"\" srcset=\"https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2025\/09\/Pascal.webp 768w, https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2025\/09\/Pascal-300x176.webp 300w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><figcaption id=\"caption-attachment-27007\" class=\"wp-caption-text\">NVLink Pascal<\/figcaption><\/figure><p><strong>2017 \u2013 Volta (NVLink th\u1ebf h\u1ec7 2):<\/strong> Phi\u00ean b\u1ea3n th\u1ee9 hai \u0111\u01b0\u1ee3c c\u1ea3i ti\u1ebfn v\u1edbi b\u0103ng th\u00f4ng l\u1edbn h\u01a1n v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh cao h\u01a1n, \u0111\u1eb7c bi\u1ec7t ph\u00f9 h\u1ee3p cho c\u00e1c h\u1ec7 th\u1ed1ng t\u00ednh to\u00e1n hi\u1ec7u n\u0103ng cao (HPC) v\u00e0 \u1ee9ng d\u1ee5ng tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o.<\/p><figure id=\"attachment_27008\" aria-describedby=\"caption-attachment-27008\" style=\"width: 768px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-27008 size-full\" src=\"https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2025\/09\/Volta.webp\" alt=\"NVLink Volta\" width=\"768\" height=\"546\" title=\"\" srcset=\"https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2025\/09\/Volta.webp 768w, https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2025\/09\/Volta-300x213.webp 300w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><figcaption id=\"caption-attachment-27008\" class=\"wp-caption-text\">NVLink Volta<\/figcaption><\/figure><p><strong>2018 \u2013 Turing:<\/strong> NVLink ti\u1ebfp t\u1ee5c \u0111\u01b0\u1ee3c n\u00e2ng c\u1ea5p v\u00e0 l\u1ea7n \u0111\u1ea7u ti\u00ean xu\u1ea5t hi\u1ec7n tr\u00ean d\u00f2ng GeForce RTX, ph\u1ee5c v\u1ee5 nhu c\u1ea7u \u0111\u1ed3 h\u1ecda chuy\u00ean nghi\u1ec7p. Nh\u1edd \u0111\u00f3, c\u00f4ng ngh\u1ec7 n\u00e0y m\u1edf r\u1ed9ng ph\u1ea1m vi \u1ee9ng d\u1ee5ng, kh\u00f4ng ch\u1ec9 gi\u1edbi h\u1ea1n trong m\u00e1y ch\u1ee7 hay trung t\u00e2m d\u1eef li\u1ec7u.<\/p><p><strong>2020 \u2013 Ampere (NVLink th\u1ebf h\u1ec7 3):<\/strong> \u0110\u00e2y l\u00e0 b\u01b0\u1edbc ngo\u1eb7t l\u1edbn khi NVLink th\u1ebf h\u1ec7 th\u1ee9 ba \u0111\u1ea1t b\u0103ng th\u00f4ng t\u1edbi 600 GB\/s v\u1edbi 12 \u0111\u01b0\u1eddng li\u00ean k\u1ebft. GPU A100 \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i trong h\u1ec7 th\u1ed1ng DGX, t\u1ea1o n\u00ean si\u00eau m\u00e1y t\u00ednh c\u1ef1c m\u1ea1nh d\u00e0nh cho AI v\u00e0 HPC.<\/p><figure id=\"attachment_27009\" aria-describedby=\"caption-attachment-27009\" style=\"width: 768px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-27009 size-full\" src=\"https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2025\/09\/Ampere.webp\" alt=\"NVLink Ampere\" width=\"768\" height=\"1089\" title=\"\" srcset=\"https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2025\/09\/Ampere.webp 768w, https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2025\/09\/Ampere-212x300.webp 212w, https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2025\/09\/Ampere-722x1024.webp 722w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><figcaption id=\"caption-attachment-27009\" class=\"wp-caption-text\">NVLink Ampere<\/figcaption><\/figure><p><strong>2022 \u2013 Hopper (NVLink th\u1ebf h\u1ec7 4):<\/strong> V\u1edbi ki\u1ebfn tr\u00fac Hopper H100, NVLink \u0111\u01b0\u1ee3c n\u00e2ng c\u1ea5p l\u00ean th\u1ebf h\u1ec7 th\u1ee9 t\u01b0, \u0111\u1ea1t b\u0103ng th\u00f4ng 900 GB\/s nh\u1edd nhi\u1ec1u c\u1ea3i ti\u1ebfn v\u01b0\u1ee3t tr\u1ed9i. H100 tr\u1edf th\u00e0nh GPU ch\u1ee7 l\u1ef1c cho si\u00eau m\u00e1y t\u00ednh AI, ph\u1ee5c v\u1ee5 hu\u1ea5n luy\u1ec7n c\u00e1c m\u00f4 h\u00ecnh AI kh\u1ed5ng l\u1ed3 v\u00e0 \u1ee9ng d\u1ee5ng trong trung t\u00e2m d\u1eef li\u1ec7u.<\/p><figure id=\"attachment_27010\" aria-describedby=\"caption-attachment-27010\" style=\"width: 768px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-27010 size-full\" src=\"https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2025\/09\/Hopper.webp\" alt=\"NVLink Hopper\" width=\"768\" height=\"708\" title=\"\" srcset=\"https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2025\/09\/Hopper.webp 768w, https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2025\/09\/Hopper-300x277.webp 300w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><figcaption id=\"caption-attachment-27010\" class=\"wp-caption-text\">NVLink Hopper<\/figcaption><\/figure><p><strong>2024 \u2013 Blackwell (NVLink th\u1ebf h\u1ec7 5):<\/strong> Th\u1ebf h\u1ec7 m\u1edbi nh\u1ea5t v\u1edbi GPU B200 \u0111\u00e1nh d\u1ea5u b\u01b0\u1edbc nh\u1ea3y v\u1ecdt l\u1edbn. NVLink 5.0 mang \u0111\u1ebfn b\u0103ng th\u00f4ng l\u00ean t\u1edbi 1.8 TB\/s, g\u1ea5p \u0111\u00f4i th\u1ebf h\u1ec7 tr\u01b0\u1edbc, c\u00f9ng kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng h\u00e0ng tr\u0103m GPU trong c\u00f9ng m\u1ed9t c\u1ee5m. \u0110\u00e2y l\u00e0 n\u1ec1n t\u1ea3ng then ch\u1ed1t cho k\u1ef7 nguy\u00ean <a href=\"https:\/\/vbee.vn\/blog\/ai\/ai-tao-sinh\/\">AI t\u1ea1o sinh<\/a>, m\u00f4 h\u00ecnh ng\u00f4n ng\u1eef l\u1edbn (LLM) v\u00e0 c\u00e1c t\u00e1c v\u1ee5 HPC c\u1ef1c k\u1ef3 ph\u1ee9c t\u1ea1p.<\/p><figure id=\"attachment_27011\" aria-describedby=\"caption-attachment-27011\" style=\"width: 768px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-27011 size-full\" src=\"https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2025\/09\/Blackwell.webp\" alt=\"NVLink Blackwell\" width=\"768\" height=\"399\" title=\"\" srcset=\"https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2025\/09\/Blackwell.webp 768w, https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2025\/09\/Blackwell-300x156.webp 300w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><figcaption id=\"caption-attachment-27011\" class=\"wp-caption-text\">NVLink Blackwell<\/figcaption><\/figure><h2><span class=\"ez-toc-section\" id=\"3_NVIDIA_NVLink_hoat_dong_nhu_the_nao\"><\/span>3. NVIDIA NVLink ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<span class=\"ez-toc-section-end\"><\/span><\/h2><p><strong>K\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp gi\u1eefa GPU:<\/strong> NVLink cho ph\u00e9p c\u00e1c GPU giao ti\u1ebfp tr\u1ef1c ti\u1ebfp v\u1edbi nhau, kh\u00f4ng c\u1ea7n \u0111i qua giao di\u1ec7n trung gian nh\u01b0 PCIe. Nh\u1edd v\u1eady, b\u0103ng th\u00f4ng truy\u1ec1n d\u1eef li\u1ec7u cao h\u01a1n nhi\u1ec1u l\u1ea7n, \u0111\u1ed3ng th\u1eddi c\u00e1c GPU c\u00f3 th\u1ec3 chia s\u1ebb b\u1ed9 nh\u1edb chung \u0111\u1ec3 x\u1eed l\u00fd t\u00e1c v\u1ee5 ph\u1ee9c t\u1ea1p hi\u1ec7u qu\u1ea3 h\u01a1n.<\/p><p><strong>NVLink Bridge \u2013 c\u1ea7u n\u1ed1i v\u1eadt l\u00fd:<\/strong> \u0110\u1ec3 thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i, NVIDIA s\u1eed d\u1ee5ng NVLink Bridge \u2013 m\u1ed9t c\u1ea7u n\u1ed1i v\u1eadt l\u00fd gi\u00fap c\u00e1c GPU li\u00ean k\u1ebft \u1ed5n \u0111\u1ecbnh. Nh\u1edd \u0111\u00f3, d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c truy\u1ec1n \u0111i nhanh ch\u00f3ng v\u00e0 \u00edt \u0111\u1ed9 tr\u1ec5.<\/p><p><strong>C\u1ea5u tr\u00fac m\u1ea1ng Mesh:<\/strong> B\u00ean trong, NVLink v\u1eadn h\u00e0nh theo c\u1ea5u tr\u00fac Mesh, ngh\u0129a l\u00e0 c\u00e1c GPU (node) c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp v\u1edbi nhau thay v\u00ec \u0111i v\u00f2ng qua node trung gian. \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3m th\u1eddi gian truy\u1ec1n d\u1eef li\u1ec7u v\u00e0 t\u1ed1i \u01b0u hi\u1ec7u su\u1ea5t.<\/p><p><strong>Kh\u1ea3 n\u0103ng h\u1ed7 tr\u1ee3 tr\u00ean c\u00e1c d\u00f2ng GPU:<\/strong> Kh\u00f4ng ph\u1ea3i GPU n\u00e0o c\u0169ng h\u1ed7 tr\u1ee3 NVLink. M\u1ed9t s\u1ed1 d\u00f2ng m\u1edbi, nh\u01b0 GeForce RTX 4090 hay RTX 6000 Ada Generation, \u0111\u00e3 lo\u1ea1i b\u1ecf t\u00ednh n\u0103ng n\u00e0y. V\u00ec th\u1ebf, khi x\u00e2y d\u1ef1ng h\u1ec7 th\u1ed1ng \u0111\u00f2i h\u1ecfi t\u00ednh to\u00e1n song song ho\u1eb7c truy\u1ec1n <a href=\"https:\/\/vbee.vn\/blog\/ai\/cong-nghe-nen-tang-cua-ai\/\">d\u1eef li\u1ec7u l\u1edbn<\/a>, b\u1ea1n c\u1ea7n c\u00e2n nh\u1eafc ch\u1ecdn GPU c\u00f3 h\u1ed7 tr\u1ee3 NVLink.<\/p><h2><span class=\"ez-toc-section\" id=\"4_Diem_noi_bat_cua_NVLink\"><\/span>4. \u0110i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a NVLink<span class=\"ez-toc-section-end\"><\/span><\/h2><p>NVLink l\u00e0 c\u00f4ng ngh\u1ec7 k\u1ebft n\u1ed1i t\u1ed1c \u0111\u1ed9 cao do NVIDIA ph\u00e1t tri\u1ec3n, v\u01b0\u1ee3t tr\u1ed9i so v\u1edbi giao th\u1ee9c truy\u1ec1n d\u1eef li\u1ec7u truy\u1ec1n th\u1ed1ng nh\u01b0 PCIe. Kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 m\u1ed9t k\u00eanh k\u1ebft n\u1ed1i, NVLink \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 t\u0103ng b\u0103ng th\u00f4ng, gi\u1ea3m \u0111\u1ed9 tr\u1ec5 v\u00e0 t\u1ed1i \u01b0u hi\u1ec7u su\u1ea5t t\u00ednh to\u00e1n trong c\u00e1c h\u1ec7 th\u1ed1ng m\u00e1y ch\u1ee7 v\u00e0 trung t\u00e2m d\u1eef li\u1ec7u.<\/p><h3><span class=\"ez-toc-section\" id=\"41_Bang_thong_cuc_cao\"><\/span>4.1 B\u0103ng th\u00f4ng c\u1ef1c cao<span class=\"ez-toc-section-end\"><\/span><\/h3><p>NVLink 4.0 tr\u00ean GPU H100 c\u00f3 th\u1ec3 \u0111\u1ea1t t\u1edbi 900 GB\/s, nhanh g\u1ea5p 7 l\u1ea7n so v\u1edbi PCIe Gen 5. M\u1ed7i li\u00ean k\u1ebft NVLink h\u1ed7 tr\u1ee3 truy\u1ec1n d\u1eef li\u1ec7u hai chi\u1ec1u v\u1edbi t\u1ed1c \u0111\u1ed9 kho\u1ea3ng 50 GB\/s ho\u1eb7c h\u01a1n, gi\u00fap GPU v\u00e0 CPU trao \u0111\u1ed5i th\u00f4ng tin nhanh h\u01a1n r\u1ea5t nhi\u1ec1u.<\/p><p>L\u1ee3i \u00edch: gi\u1ea3m \u0111\u1ed9 tr\u1ec5 khi truy\u1ec1n d\u1eef li\u1ec7u, t\u1ed1i \u01b0u cho c\u00e1c t\u00e1c v\u1ee5 n\u1eb7ng nh\u01b0 AI, <a href=\"https:\/\/vbee.vn\/blog\/ai\/deep-learning\/\">Deep Learning<\/a>, HPC hay render \u0111\u1ed3 h\u1ecda.<\/p><h3><span class=\"ez-toc-section\" id=\"42_Ket_noi_GPU_truc_tiep\"><\/span>4.2 K\u1ebft n\u1ed1i GPU tr\u1ef1c ti\u1ebfp<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Thay v\u00ec \u0111i v\u00f2ng qua CPU nh\u01b0 PCIe, NVLink cho ph\u00e9p c\u00e1c GPU giao ti\u1ebfp tr\u1ef1c ti\u1ebfp trong m\u1ed9t m\u1ea1ng l\u01b0\u1edbi mesh. Tr\u00ean m\u1ed9t s\u1ed1 h\u1ec7 th\u1ed1ng (v\u00ed d\u1ee5 IBM Power9), NVLink c\u00f2n h\u1ed7 tr\u1ee3 k\u1ebft n\u1ed1i GPU v\u1edbi CPU.<\/p><p>L\u1ee3i \u00edch: gi\u1ea3m t\u1ea3i cho CPU, gi\u00fap GPU ph\u00e1t huy t\u1ed1i \u0111a hi\u1ec7u su\u1ea5t, \u0111\u1eb7c bi\u1ec7t trong c\u00e1c m\u00f4 h\u00ecnh AI quy m\u00f4 l\u1edbn.<\/p><h3><span class=\"ez-toc-section\" id=\"43_Lien_ket_bo_nho_GPU_Memory_Pooling\"><\/span>4.3 Li\u00ean k\u1ebft b\u1ed9 nh\u1edb GPU (Memory Pooling)<span class=\"ez-toc-section-end\"><\/span><\/h3><p>NVLink cho ph\u00e9p nhi\u1ec1u GPU k\u1ebft n\u1ed1i v\u00e0 s\u1eed d\u1ee5ng chung m\u1ed9t kh\u00f4ng gian b\u1ed9 nh\u1edb. \u0110i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 m\u1ed9t GPU c\u00f3 th\u1ec3 truy c\u1eadp tr\u1ef1c ti\u1ebfp v\u00e0o b\u1ed9 nh\u1edb c\u1ee7a GPU kh\u00e1c nh\u01b0 \u0111ang d\u00f9ng b\u1ed9 nh\u1edb c\u1ee7a ch\u00ednh m\u00ecnh.<\/p><p>L\u1ee3i \u00edch: Nh\u1edd kh\u1ea3 n\u0103ng chia s\u1ebb n\u00e0y, h\u1ec7 th\u1ed1ng c\u00f3 th\u1ec3 x\u1eed l\u00fd c\u00e1c m\u00f4 h\u00ecnh AI ho\u1eb7c t\u1eadp d\u1eef li\u1ec7u kh\u1ed5ng l\u1ed3 m\u00e0 tr\u01b0\u1edbc \u0111\u00e2y b\u1ecb gi\u1edbi h\u1ea1n b\u1edfi VRAM c\u1ee7a t\u1eebng GPU. \u0110\u1ed3ng th\u1eddi, n\u00f3 c\u0169ng gi\u1ea3m thi\u1ec3u vi\u1ec7c ph\u1ea3i sao ch\u00e9p d\u1eef li\u1ec7u qua RAM h\u1ec7 th\u1ed1ng, gi\u00fap qu\u00e1 tr\u00ecnh t\u00ednh to\u00e1n di\u1ec5n ra nhanh v\u00e0 m\u01b0\u1ee3t h\u01a1n.<\/p><h3><span class=\"ez-toc-section\" id=\"44_Hieu_suat_cao_nhung_tiet_kiem_nang_luong\"><\/span>4.4 Hi\u1ec7u su\u1ea5t cao nh\u01b0ng ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng<span class=\"ez-toc-section-end\"><\/span><\/h3><p>D\u00f9 mang l\u1ea1i t\u1ed1c \u0111\u1ed9 truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u c\u1ef1c l\u1edbn, NVLink l\u1ea1i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ti\u00eau th\u1ee5 r\u1ea5t \u00edt \u0111i\u1ec7n n\u0103ng, ch\u1ec9 kho\u1ea3ng 1.3 picojoules\/bit, th\u1ea5p h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi PCIe.<\/p><p>L\u1ee3i \u00edch: C\u00f4ng ngh\u1ec7 n\u00e0y gi\u00fap ti\u1ebft ki\u1ec7m \u0111i\u1ec7n n\u0103ng, gi\u1ea3m l\u01b0\u1ee3ng nhi\u1ec7t sinh ra trong trung t\u00e2m d\u1eef li\u1ec7u v\u00e0 g\u00f3p ph\u1ea7n k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd ph\u1ea7n c\u1ee9ng.<\/p><h3><span class=\"ez-toc-section\" id=\"45_Ung_dung_rong_rai_trong_AI_va_HPC\"><\/span>4.5 \u1ee8ng d\u1ee5ng r\u1ed9ng r\u00e3i trong AI v\u00e0 HPC<span class=\"ez-toc-section-end\"><\/span><\/h3><p>NVLink \u0111\u00e3 \u0111\u01b0\u1ee3c tri\u1ec3n khai trong c\u00e1c si\u00eau m\u00e1y t\u00ednh n\u1ed5i ti\u1ebfng nh\u01b0 Summit v\u00e0 Sierra, ph\u1ee5c v\u1ee5 nghi\u00ean c\u1ee9u khoa h\u1ecdc, m\u00f4 ph\u1ecfng th\u1eddi ti\u1ebft v\u00e0 ph\u00e1t tri\u1ec3n AI. C\u00e1c d\u00f2ng GPU nh\u01b0 A100, H100, V100 \u0111\u1ec1u h\u1ed7 tr\u1ee3 NVLink \u0111\u1ec3 t\u1ed1i \u01b0u t\u00ednh to\u00e1n song song.<br \/>L\u1ee3i \u00edch: r\u00fat ng\u1eafn th\u1eddi gian hu\u1ea5n luy\u1ec7n AI, t\u0103ng t\u1ed1c \u0111\u1ed9 x\u1eed l\u00fd m\u00f4 h\u00ecnh Deep Learning l\u1edbn, mang l\u1ea1i l\u1ee3i th\u1ebf cho doanh nghi\u1ec7p v\u00e0 vi\u1ec7n nghi\u00ean c\u1ee9u.<\/p><h3><span class=\"ez-toc-section\" id=\"46_Kha_nang_mo_rong_linh_hoat\"><\/span>4.6 Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng linh ho\u1ea1t<span class=\"ez-toc-section-end\"><\/span><\/h3><p>NVLink cho ph\u00e9p k\u1ebft n\u1ed1i nhi\u1ec1u GPU l\u1ea1i v\u1edbi nhau, t\u1ea1o th\u00e0nh m\u1ed9t c\u1ee5m GPU kh\u1ed5ng l\u1ed3 v\u1edbi hi\u1ec7u su\u1ea5t c\u1ef1c cao.<br \/>L\u1ee3i \u00edch: doanh nghi\u1ec7p c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng m\u1edf r\u1ed9ng h\u1ec7 th\u1ed1ng \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u t\u00ednh to\u00e1n ng\u00e0y c\u00e0ng l\u1edbn, m\u00e0 kh\u00f4ng b\u1ecb gi\u1edbi h\u1ea1n hi\u1ec7u su\u1ea5t truy\u1ec1n d\u1eef li\u1ec7u.<\/p><h2><span class=\"ez-toc-section\" id=\"5_Ung_dung_thuc_te_cua_NVLink\"><\/span>5. \u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a NVLink<span class=\"ez-toc-section-end\"><\/span><\/h2><p>NVLink kh\u00f4ng ch\u1ec9 t\u0103ng t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u gi\u1eefa GPU v\u00e0 CPU m\u00e0 c\u00f2n \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u l\u0129nh v\u1ef1c \u0111\u00f2i h\u1ecfi s\u1ee9c m\u1ea1nh t\u00ednh to\u00e1n l\u1edbn. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng \u1ee9ng d\u1ee5ng n\u1ed5i b\u1eadt:<\/p><h3><span class=\"ez-toc-section\" id=\"51_Tri_tue_nhan_tao_AI_va_hoc_sau_Deep_Learning\"><\/span>5.1 Tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o (AI) v\u00e0 h\u1ecdc s\u00e2u (Deep Learning)<span class=\"ez-toc-section-end\"><\/span><\/h3><p>NVLink cho ph\u00e9p nhi\u1ec1u GPU chia s\u1ebb d\u1eef li\u1ec7u tr\u1ef1c ti\u1ebfp, gi\u00fap hu\u1ea5n luy\u1ec7n m\u00f4 h\u00ecnh AI nhanh h\u01a1n v\u00e0 x\u1eed l\u00fd nh\u1eefng b\u1ed9 d\u1eef li\u1ec7u kh\u1ed5ng l\u1ed3 m\u00e0 VRAM c\u1ee7a m\u1ed9t GPU ri\u00eang l\u1ebb kh\u00f4ng \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c. C\u00e1c trung t\u00e2m d\u1eef li\u1ec7u hi\u1ec7n \u0111ang d\u00f9ng NVLink \u0111\u1ec3 tri\u1ec3n khai nh\u1eefng m\u00f4 h\u00ecnh AI quy m\u00f4 l\u1edbn nh\u01b0 <a href=\"https:\/\/vbee.vn\/blog\/openai\/chatgpt\/\">ChatGPT<\/a>, Stable Diffusion hay c\u00e1c h\u1ec7 th\u1ed1ng AI s\u00e1ng t\u1ea1o kh\u00e1c.<\/p><h3><span class=\"ez-toc-section\" id=\"52_Dien_toan_hieu_nang_cao_HPC\"><\/span>5.2 \u0110i\u1ec7n to\u00e1n hi\u1ec7u n\u0103ng cao (HPC)<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Trong c\u00e1c si\u00eau m\u00e1y t\u00ednh nh\u01b0 Summit, Sierra hay Alps, NVLink l\u00e0 m\u1eaft x\u00edch quan tr\u1ecdng \u0111\u1ec3 x\u1eed l\u00fd nh\u1eefng b\u00e0i to\u00e1n khoa h\u1ecdc ph\u1ee9c t\u1ea1p: m\u00f4 ph\u1ecfng v\u1eadt l\u00fd, h\u00f3a h\u1ecdc l\u01b0\u1ee3ng t\u1eed, kh\u00ed h\u1eadu\u2026 Trong y sinh, c\u00f4ng ngh\u1ec7 n\u00e0y gi\u00fap t\u0103ng t\u1ed1c ph\u00e2n t\u00edch d\u1eef li\u1ec7u gen, d\u1ef1ng m\u00f4 h\u00ecnh ph\u00e2n t\u1eed v\u00e0 h\u1ed7 tr\u1ee3 nghi\u00ean c\u1ee9u, ph\u00e1t tri\u1ec3n d\u01b0\u1ee3c ph\u1ea9m m\u1edbi.<\/p><h3><span class=\"ez-toc-section\" id=\"53_Ket_xuat_do_hoa_va_dung_phim_Rendering_CGI\"><\/span>5.3 K\u1ebft xu\u1ea5t \u0111\u1ed3 h\u1ecda v\u00e0 d\u1ef1ng phim (Rendering &amp; CGI)<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Nh\u1edd kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i nhi\u1ec1u GPU, NVLink r\u00fat ng\u1eafn \u0111\u00e1ng k\u1ec3 th\u1eddi gian render trong c\u00e1c ph\u1ea7n m\u1ec1m chuy\u00ean d\u1ee5ng nh\u01b0 Blender, Maya, OctaneRender hay V-Ray. \u0110\u00e2y c\u0169ng l\u00e0 l\u00fd do c\u00e1c h\u00e3ng phim l\u1edbn nh\u01b0 Pixar hay Marvel t\u1eadn d\u1ee5ng NVLink \u0111\u1ec3 t\u1ea1o ra h\u00ecnh \u1ea3nh CGI s\u1ed1ng \u0111\u1ed9ng c\u00f9ng hi\u1ec7u \u1ee9ng \u0111\u1eb7c bi\u1ec7t \u1ea5n t\u01b0\u1ee3ng.<\/p><h3><span class=\"ez-toc-section\" id=\"54_Phan_tich_du_lieu_lon_Big_Data_Analytics\"><\/span>5.4 Ph\u00e2n t\u00edch d\u1eef li\u1ec7u l\u1edbn (Big Data Analytics)<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Trong m\u00f4i tr\u01b0\u1eddng trung t\u00e2m d\u1eef li\u1ec7u, NVLink t\u0103ng t\u1ed1c qu\u00e1 tr\u00ecnh ph\u00e2n t\u00edch v\u00e0 gi\u1ea3m \u0111\u1ed9 tr\u1ec5 truy\u1ec1n t\u1ea3i gi\u1eefa GPU v\u00e0 CPU. C\u00e1c h\u1ec7 th\u1ed1ng g\u1ee3i \u00fd c\u1ee7a Netflix, Amazon hay <a href=\"https:\/\/vbee.vn\/blog\/google\/youtube-va-youtube-music\/\">YouTube<\/a> d\u1ef1a v\u00e0o c\u00f4ng ngh\u1ec7 n\u00e0y \u0111\u1ec3 t\u1ed1i \u01b0u thu\u1eadt to\u00e1n, mang l\u1ea1i \u0111\u1ec1 xu\u1ea5t n\u1ed9i dung ch\u00ednh x\u00e1c v\u00e0 c\u00e1 nh\u00e2n h\u00f3a h\u01a1n cho ng\u01b0\u1eddi d\u00f9ng.<\/p><h3><span class=\"ez-toc-section\" id=\"55_Sieu_may_tinh_va_trung_tam_du_lieu\"><\/span>5.5 Si\u00eau m\u00e1y t\u00ednh v\u00e0 trung t\u00e2m d\u1eef li\u1ec7u<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Nh\u1eefng nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u00e1m m\u00e2y nh\u01b0 Google Cloud, AWS hay Microsoft Azure \u0111\u00e3 t\u00edch h\u1ee3p NVLink \u0111\u1ec3 x\u00e2y d\u1ef1ng h\u1ea1 t\u1ea7ng GPU m\u1ea1nh m\u1ebd. Trong ng\u00e0nh t\u00e0i ch\u00ednh, NVLink c\u0169ng \u0111\u01b0\u1ee3c khai th\u00e1c \u0111\u1ec3 \u0111\u1ea9y nhanh m\u00f4 ph\u1ecfng th\u1ecb tr\u01b0\u1eddng, ph\u00e2n t\u00edch r\u1ee7i ro v\u00e0 h\u1ed7 tr\u1ee3 giao d\u1ecbch ch\u1ee9ng kho\u00e1n t\u1ed1c \u0111\u1ed9 cao.<\/p><h3><span class=\"ez-toc-section\" id=\"56_O_to_tu_hanh_va_cong_nghe_lai_xe_thong_minh\"><\/span>5.6 \u00d4 t\u00f4 t\u1ef1 h\u00e0nh v\u00e0 c\u00f4ng ngh\u1ec7 l\u00e1i xe th\u00f4ng minh<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Trong n\u1ec1n t\u1ea3ng NVIDIA DRIVE Thor, NVLink k\u1ebft h\u1ee3p v\u1edbi c\u00e1c b\u1ed9 x\u1eed l\u00fd Hopper, Grace v\u00e0 Ada Lovelace \u0111\u1ec3 x\u1eed l\u00fd d\u1eef li\u1ec7u kh\u1ed5ng l\u1ed3 t\u1eeb camera, radar, LiDAR tr\u00ean <a href=\"https:\/\/vbee.vn\/blog\/nvidia\/nvidia-drive\/\">xe t\u1ef1 l\u00e1i<\/a>. B\u00ean c\u1ea1nh \u0111\u00f3, c\u00f4ng ngh\u1ec7 n\u00e0y c\u00f2n h\u1ed7 tr\u1ee3 m\u00f4 ph\u1ecfng giao th\u00f4ng v\u00e0 x\u00e2y d\u1ef1ng h\u1ec7 th\u1ed1ng AI cho h\u1ea1 t\u1ea7ng th\u00f4ng minh, gi\u00fap t\u1ed1i \u01b0u lu\u1ed3ng ph\u01b0\u01a1ng ti\u1ec7n.<\/p><h2><span class=\"ez-toc-section\" id=\"6_Nhung_cau_hoi_thuong_gap_ve_NVIDIA_NVLink\"><\/span>6. Nh\u1eefng c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 NVIDIA NVLink<span class=\"ez-toc-section-end\"><\/span><\/h2><h3><span class=\"ez-toc-section\" id=\"61_NVLink_khac_gi_so_voi_PCIe\"><\/span>6.1 NVLink kh\u00e1c g\u00ec so v\u1edbi PCIe?<span class=\"ez-toc-section-end\"><\/span><\/h3><p>NVLink c\u00f3 b\u0103ng th\u00f4ng cao h\u01a1n nhi\u1ec1u l\u1ea7n, \u0111\u1ed9 tr\u1ec5 th\u1ea5p h\u01a1n v\u00e0 cho ph\u00e9p chia s\u1ebb b\u1ed9 nh\u1edb tr\u1ef1c ti\u1ebfp gi\u1eefa GPU, trong khi PCIe b\u1ecb gi\u1edbi h\u1ea1n t\u1ed1c \u0111\u1ed9 v\u00e0 ph\u1ea3i \u0111i qua CPU.<\/p><h3><span class=\"ez-toc-section\" id=\"62_Nhung_GPU_nao_ho_tro_NVLink\"><\/span>6.2 Nh\u1eefng GPU n\u00e0o h\u1ed7 tr\u1ee3 NVLink?<span class=\"ez-toc-section-end\"><\/span><\/h3><p>NVLink \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 tr\u00ean nhi\u1ec1u d\u00f2ng GPU trung t\u00e2m d\u1eef li\u1ec7u nh\u01b0 V100, A100, H100. Tuy nhi\u00ean, m\u1ed9t s\u1ed1 GPU m\u1edbi nh\u01b0 GeForce RTX 4090 hay RTX 6000 Ada \u0111\u00e3 lo\u1ea1i b\u1ecf NVLink.<\/p><h3><span class=\"ez-toc-section\" id=\"63_NVLink_co_ton_nhieu_dien_nang_khong\"><\/span>6.3 NVLink c\u00f3 t\u1ed1n nhi\u1ec1u \u0111i\u1ec7n n\u0103ng kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Kh\u00f4ng. NVLink \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng, ch\u1ec9 ti\u00eau th\u1ee5 kho\u1ea3ng 1.3 picojoules\/bit \u2013 th\u1ea5p h\u01a1n PCIe, ph\u00f9 h\u1ee3p cho c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u quy m\u00f4 l\u1edbn.<\/p><h3><span class=\"ez-toc-section\" id=\"64_NVLink_duoc_ung_dung_nhieu_nhat_trong_linh_vuc_nao\"><\/span>6.4 NVLink \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng nhi\u1ec1u nh\u1ea5t trong l\u0129nh v\u1ef1c n\u00e0o?<span class=\"ez-toc-section-end\"><\/span><\/h3><p>NVLink \u0111\u01b0\u1ee3c d\u00f9ng r\u1ed9ng r\u00e3i trong AI, Deep Learning, HPC, d\u1ef1ng phim 3D, ph\u00e2n t\u00edch d\u1eef li\u1ec7u l\u1edbn, si\u00eau m\u00e1y t\u00ednh v\u00e0 h\u1ec7 th\u1ed1ng xe t\u1ef1 h\u00e0nh.<\/p><h3><span class=\"ez-toc-section\" id=\"65_NVLink_co_can_thiet_cho_nguoi_dung_pho_thong_khong\"><\/span>6.5 NVLink c\u00f3 c\u1ea7n thi\u1ebft cho ng\u01b0\u1eddi d\u00f9ng ph\u1ed5 th\u00f4ng kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h3><p>\u0110a s\u1ed1 ng\u01b0\u1eddi d\u00f9ng ph\u1ed5 th\u00f4ng kh\u00f4ng c\u1ea7n NVLink. C\u00f4ng ngh\u1ec7 n\u00e0y ch\u1ee7 y\u1ebfu d\u00e0nh cho m\u00e1y ch\u1ee7, trung t\u00e2m d\u1eef li\u1ec7u v\u00e0 nh\u1eefng h\u1ec7 th\u1ed1ng y\u00eau c\u1ea7u x\u1eed l\u00fd t\u00ednh to\u00e1n song song quy m\u00f4 l\u1edbn.<\/p><p>Hy v\u1ecdng b\u00e0i vi\u1ebft tr\u00ean \u0111\u00e3 gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 NVIDIA NVLink, c\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u0169ng nh\u01b0 nh\u1eefng \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf. \u0110\u00e2y l\u00e0 c\u00f4ng ngh\u1ec7 h\u1ee9a h\u1eb9n ti\u1ebfp t\u1ee5c \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong k\u1ef7 nguy\u00ean AI v\u00e0 \u0111i\u1ec7n to\u00e1n hi\u1ec7u n\u0103ng cao.<\/p>","protected":false},"excerpt":{"rendered":"<p>NVIDIA NVLink l\u00e0 c\u00f4ng ngh\u1ec7 k\u1ebft n\u1ed1i si\u00eau t\u1ed1c gi\u00fap GPU giao ti\u1ebfp tr\u1ef1c ti\u1ebfp, chia s\u1ebb b\u1ed9 nh\u1edb v\u00e0 x\u1eed l\u00fd d\u1eef li\u1ec7u l\u1edbn nhanh h\u01a1n PCIe nhi\u1ec1u l\u1ea7n. C\u00f9ng t\u00ecm hi\u1ec3u s\u00e2u h\u01a1n v\u1ec1 NVIDIA NVLink l\u00e0 g\u00ec, c\u00e1ch ho\u1ea1t \u0111\u1ed9ng v\u00e0 \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf qua b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y.1. NVIDIA NVLink&#8230;<\/p>\n","protected":false},"author":9,"featured_media":27014,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[227],"tags":[],"class_list":["post-27003","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nvidia"],"_links":{"self":[{"href":"https:\/\/vbee.vn\/blog\/wp-json\/wp\/v2\/posts\/27003","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vbee.vn\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vbee.vn\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vbee.vn\/blog\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/vbee.vn\/blog\/wp-json\/wp\/v2\/comments?post=27003"}],"version-history":[{"count":3,"href":"https:\/\/vbee.vn\/blog\/wp-json\/wp\/v2\/posts\/27003\/revisions"}],"predecessor-version":[{"id":27015,"href":"https:\/\/vbee.vn\/blog\/wp-json\/wp\/v2\/posts\/27003\/revisions\/27015"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vbee.vn\/blog\/wp-json\/wp\/v2\/media\/27014"}],"wp:attachment":[{"href":"https:\/\/vbee.vn\/blog\/wp-json\/wp\/v2\/media?parent=27003"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vbee.vn\/blog\/wp-json\/wp\/v2\/categories?post=27003"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vbee.vn\/blog\/wp-json\/wp\/v2\/tags?post=27003"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}