{"id":13713,"date":"2022-10-24T08:01:03","date_gmt":"2022-10-24T01:01:03","guid":{"rendered":"https:\/\/www.thegioimaychu.vn\/blog\/?p=13713"},"modified":"2023-10-01T19:52:26","modified_gmt":"2023-10-01T12:52:26","slug":"nvlink-duong-cao-toc-giua-cac-gpu","status":"publish","type":"post","link":"https:\/\/thegioimaychu.vn\/blog\/ai-hpc\/nvlink-duong-cao-toc-giua-cac-gpu-p13713\/","title":{"rendered":"NVLink &#8211; \u0110\u01b0\u1eddng cao t\u1ed1c gi\u1eefa c\u00e1c GPU!"},"content":{"rendered":"<style>.iblink{color:#975!important;}.iblink:hover{color:orange!important;}<\/style><h2>NVLink l\u00e0 g\u00ec v\u00e0 n\u00f3 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/h2>\n<p>C\u00e1c si\u00eau m\u00e1y t\u00ednh v\u00e0 h\u1ec7 th\u1ed1ng AI tr\u01b0\u1edbc \u0111\u00e2y \u0111\u00e3 ph\u1ea3i d\u1ef1a v\u00e0o PCI Express (nh\u01b0 PCIe 4.0) \u0111\u1ec3 k\u1ebft n\u1ed1i GPU v\u1edbi CPU, nh\u01b0ng c\u00f4ng ngh\u1ec7 n\u00e0y \u0111\u00e3 kh\u00f4ng theo k\u1ecbp nh\u1eefng ti\u1ebfn b\u1ed9 nhanh ch\u00f3ng c\u1ee7a GPU.\u00a0V\u00ec th\u1ebf m\u00e0 NVIDIA \u0111\u00e3 \u0111\u01b0a ra c\u00f4ng ngh\u1ec7 NVLink \u0111\u1ec3 k\u1ebft n\u1ed1i c\u00e1c GPU, gi\u00fap trao \u0111\u1ed5i d\u1eef li\u1ec7u nhanh h\u01a1n t\u1eeb 5 \u0111\u1ebfn 12 l\u1ea7n, \u0111\u1ed3ng th\u1eddi c\u0169ng ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng h\u01a1n r\u1ea5t nhi\u1ec1u.<\/p>\n<h2>C\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng c\u1ee7a NVLink<\/h2>\n<p>NVLink l\u00e0 c\u00f4ng ngh\u1ec7 k\u1ebft n\u1ed1i h\u1ec7 th\u1ed1ng \u0111\u1ed9c quy\u1ec1n \u0111\u1ea7u ti\u00ean tr\u00ean th\u1ebf gi\u1edbi c\u1ee7a NVIDIA cho ph\u00e9p nhi\u1ec1u GPU giao ti\u1ebfp tr\u1ef1c ti\u1ebfp th\u00f4ng qua k\u1ebft n\u1ed1i t\u1ed1c \u0111\u1ed9 cao, mang l\u1ea1i l\u1ee3i th\u1ebf l\u1edbn cho NVLink b\u1eb1ng c\u00e1ch cho ph\u00e9p b\u1ed9 nh\u1edb kh\u1ea3 d\u1ee5ng c\u1ee7a c\u1ea3 hai GPU \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p v\u00e0 truy c\u1eadp m\u1ecdi l\u00fac.<\/p>\n<p>\u0110i\u1ec1u n\u00e0y l\u00e0m t\u0103ng t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c trao \u0111\u1ed5i, cho ph\u00e9p c\u00e1c \u1ee9ng d\u1ee5ng v\u00e0 workload \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u1edbi NVIDIA NVLink c\u00f3 th\u1ec3 h\u01b0\u1edfng l\u1ee3i t\u1eeb vi\u1ec7c t\u0103ng c\u01b0\u1eddng hi\u1ec7u su\u1ea5t \u0111\u00e1ng k\u1ec3.<\/p>\r\n\t\t\t\t<div class=\"tgmcad hor\" style=\"text-align:center;margin:30px 0; padding: 10px 0; border-radius:5px; border-top:solid 1px #ccc; border-bottom:solid 1px #ccc; \">\r\n\t\t\t\t<a href=\"https:\/\/thegioimaychu.vn\/giai-phap\/deep-learning\/\"><img decoding=\"async\" alt=\"Gi\u1ea3i ph\u00e1p h\u1ea1 t\u1ea7ng Deep Learning, Tr\u00ed tu\u1ec7 Nh\u00e2n t\u1ea1o - AI\" src=\"https:\/\/thegioimaychu.vn\/blog\/wp-content\/uploads\/2019\/11\/tgmc-deep-learning.jpg\" \/><\/a>\r\n\t\t\t\t<\/div>\n<p>NVLink y\u00eau c\u1ea7u m\u1ed9t c\u1ea7u n\u1ed1i v\u1eadt l\u00fd (NVLink Bridge) gi\u1eefa c\u00e1c <a class=\"iblink\" href=\"\/linh-kien-may-chu\/gpu-card-may-chu\/\">card GPU<\/a> v\u00e0 s\u1eed d\u1ee5ng m\u1ea1ng d\u1ea1ng Mesh, l\u00e0 m\u1ed9t c\u1ea5u tr\u00fac li\u00ean k\u1ebft m\u1ea1ng c\u1ee5c b\u1ed9, trong \u0111\u00f3 c\u00e1c node h\u1ea1 t\u1ea7ng k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp theo ki\u1ec3u kh\u00f4ng ph\u00e2n c\u1ea5p, cho ph\u00e9p m\u1ed7i node chuy\u1ec3n ti\u1ebfp th\u00f4ng tin thay v\u00ec \u0111\u1ecbnh tuy\u1ebfn th\u00f4ng tin qua b\u1ea5t k\u1ef3 node n\u00e0o.<\/p>\n<p>NVLink Bridge ho\u1ea1t \u0111\u1ed9ng t\u1ed1t nh\u1ea5t v\u1edbi c\u00e1c model GPU: GV100, GP100, Quadro RTX, Titan RTX, GeForce RTX 20-series, GeForce RTX 30-series, Professional Ampere RTX v\u00e0 c\u00e1c GPU c\u1ea5p Trung t\u00e2m d\u1eef li\u1ec7u c\u1ee7a NVIDIA \u0111\u1ec1u h\u1ed7 tr\u1ee3 NVLink. NVLink Bridge c\u0169ng c\u00f3 nhi\u1ec1u k\u00edch c\u1ee1 kh\u00e1c nhau cho c\u1ea3 d\u00f2ng GPU Quadro v\u00e0 GeForce, RTX v\u00e0 Data Center.<\/p>\n<p>C\u00e1c GPU hi\u1ec7u su\u1ea5t cao nh\u01b0 A100 v\u00e0 H100 PCIe c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi t\u1ed1i \u0111a 3 NVLink Bridge \u0111\u1ec3 k\u1ebft n\u1ed1i v\u00e0 cung c\u1ea5p nhi\u1ec1u b\u0103ng th\u00f4ng h\u01a1n.<\/p>\n<p>C\u00e1c GPU c\u1ea5p Trung t\u00e2m d\u1eef li\u1ec7u c\u1ee7a NVIDIA nh\u01b0 phi\u00ean b\u1ea3n A100 v\u00e0 H100 SXM \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i th\u00f4ng qua h\u1ec7 th\u1ed1ng NVLink Switch \u0111\u1eb7c bi\u1ec7t \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p tr\u00ean bo m\u1ea1ch h\u1ec7 th\u1ed1ng HGX ho\u1eb7c h\u1ec7 th\u1ed1ng DGX v\u1edbi t\u1ed5ng b\u0103ng th\u00f4ng l\u00ean \u0111\u1ebfn 600GB\/s (A100) ho\u1eb7c 900GB\/s (H100).<\/p>\n<p>C\u00e1c GPU NVIDIA th\u1ebf h\u1ec7 m\u1edbi kh\u00f4ng h\u1ed7 tr\u1ee3 NVLink v\u00ed d\u1ee5 c\u00f3 GeForce RTX 4090 v\u00e0 GPU RTX 6000 Ada Generation.<\/p>\n<h3>Ma tr\u1eadn k\u1ebft n\u1ed1i<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/thegioimaychu.vn\/blog\/wp-content\/uploads\/2022\/10\/tgmc-blog-63526657b4f6a.png\" alt=\"\" \/><\/p>\n<h3>K\u1ebft lu\u1eadn<\/h3>\n<p>NVLink Bridge c\u00f3 t\u1ea5t c\u1ea3 c\u00e1c h\u00ecnh d\u1ea1ng v\u00e0 k\u00edch th\u01b0\u1edbc kh\u00e1c nhau nh\u01b0ng \u0111\u1ec1u ph\u1ee5c v\u1ee5 c\u00f9ng m\u1ed9t ch\u1ee9c n\u0103ng.\u00a0Hi\u1ec7n c\u00f3 c\u00e1c d\u00f2ng s\u1ea3n ph\u1ea9m v\u1edbi c\u00e1c t\u00ean th\u01b0\u01a1ng m\u1ea1i Quadro RTX, Titan RTX, GeForce RTX, v.v. \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c thi\u1ebft l\u1eadp h\u1ec7 th\u1ed1ng kh\u00e1c nhau.\u00a0Ch\u00fang c\u00f3 c\u00e1c k\u00edch th\u01b0\u1edbc: 2-slot v\u00e0 3-slot \u0111\u1ec3 l\u1eafp c\u00e1c GPU v\u00e0 t\u1ea1o c\u00e1c thi\u1ebft l\u1eadp kh\u00e1c nhau.<\/p>\n<p>K\u1ec3 t\u1eeb th\u00e1ng 10 n\u0103m 2022, NVLink s\u1ebd b\u1ecb lo\u1ea1i b\u1ecf d\u1ea7n trong ki\u1ebfn \u200b\u200btr\u00fac Ada Lovelace m\u1edbi c\u1ee7a NVIDIA.\u00a0GeForce RTX 4090 v\u00e0 RTX 6000 Ada \u0111\u1ec1u kh\u00f4ng h\u1ed7 tr\u1ee3 NVLink.<\/p>\n<p>NVIDIA \u0111ang d\u00e0nh ri\u00eang NVLink \u0111\u1ec3 ch\u1ec9 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong trung t\u00e2m d\u1eef li\u1ec7u, n\u01a1i m\u00e0 vi\u1ec7c song song h\u00f3a gi\u1eefa to\u00e0n b\u1ed9 c\u1ee5m ho\u1eb7c h\u1ea1 t\u1ea7ng c\u1ee7a GPU \u0111\u00f2i h\u1ecfi k\u1ebft n\u1ed1i GPU-to-GPU b\u0103ng th\u00f4ng v\u00e0 \u0111\u00e1p \u1ee9ng c\u1ef1c cao.<\/p>\n<div>____<br \/><b>B\u00e0i vi\u1ebft li\u00ean quan<\/b><\/div>\n<ul>\n<li><a href=\"https:\/\/thegioimaychu.vn\/blog\/?post_type=post&#038;p=23415\">B\u01b0\u1edbc v\u00e0o k\u1ef7 nguy\u00ean tr\u1ee3 l\u00fd AI c\u00e1 nh\u00e2n &#8211; so s\u00e1nh chi ti\u1ebft NVIDIA RTX Spark v\u00e0 DGX Spark<\/a><\/li>\n<li><a href=\"https:\/\/thegioimaychu.vn\/blog\/?post_type=post&#038;p=23322\">NVIDIA RTX PRO 4500 Blackwell Server Edition: B\u01b0\u1edbc nh\u1ea3y v\u1ecdt t\u1eeb th\u1ebf h\u1ec7 L4 cho h\u1ea1 t\u1ea7ng AI suy lu\u1eadn hi\u1ec7u n\u0103ng cao<\/a><\/li>\n<li><a href=\"https:\/\/thegioimaychu.vn\/blog\/?post_type=post&#038;p=23119\">NVIDIA NGC\u2011ready Low\u2011latency Edge AI: Gi\u1ea3i ph\u00e1p cho Retail, Manufacturing v\u00e0 Smart Cities<\/a><\/li>\n<li><a href=\"https:\/\/thegioimaychu.vn\/blog\/?post_type=post&#038;p=23110\">So s\u00e1nh s\u1ee9c m\u1ea1nh c\u1ee7a m\u00e1y t\u00ednh AI DGX Spark v\u1edbi c\u00e1c card GPU m\u00e1y tr\u1ea1m chuy\u00ean nghi\u1ec7p c\u1ee7a NVIDIA<\/a><\/li>\n<li><a href=\"https:\/\/thegioimaychu.vn\/blog\/?post_type=post&#038;p=22969\">T\u1eeb Orin \u0111\u1ebfn Thor: B\u01b0\u1edbc nh\u1ea3y v\u1ecdt ki\u1ebfn tr\u00fac c\u1ee7a NVIDIA JetPack 7.0 v\u00e0 t\u01b0\u01a1ng lai c\u1ee7a robot h\u00ecnh ng\u01b0\u1eddi<\/a><\/li>\n<li><a href=\"https:\/\/thegioimaychu.vn\/blog\/?post_type=post&#038;p=22887\">T\u1ea1i sao g\u1ecdi NVIDIA DGX Spark l\u00e0 Si\u00eau m\u00e1y t\u00ednh AI c\u00e1 nh\u00e2n?<\/a><\/li>\n<\/ul>\n<\/p>","protected":false},"excerpt":{"rendered":"<p>NVLink l&agrave; g&igrave; v&agrave; n&oacute; ho&#7841;t &#273;&#7897;ng nh&#432; th&#7871; n&agrave;o? C&aacute;c si&ecirc;u m&aacute;y t&iacute;nh v&agrave; h&#7879; th&#7889;ng AI tr&#432;&#7899;c &#273;&acirc;y &#273;&atilde; ph&#7843;i d&#7921;a v&agrave;o PCI Express (nh&#432; PCIe 4.0) &#273;&#7875; k&#7871;t n&#7889;i GPU v&#7899;i CPU, nh&#432;ng c&ocirc;ng ngh&#7879; n&agrave;y &#273;&atilde; kh&ocirc;ng theo k&#7883;p nh&#7919;ng ti&#7871;n b&#7897; nhanh ch&oacute;ng c&#7911;a GPU.&nbsp;V&igrave; th&#7871; m&agrave; NVIDIA &#273;&atilde; &#273;&#432;a&#8230;<\/p>\n","protected":false},"author":2,"featured_media":13718,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[3],"tags":[74,1314,120],"class_list":["post-13713","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ai-hpc","tag-hpc","tag-nvidia","tag-nvlink"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>NVLink - \u0110\u01b0\u1eddng cao t\u1ed1c gi\u1eefa c\u00e1c GPU! - Blog | TheGioiMayChu<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/thegioimaychu.vn\/blog\/ai-hpc\/nvlink-duong-cao-toc-giua-cac-gpu-p13713\/\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"NVLink - \u0110\u01b0\u1eddng cao t\u1ed1c gi\u1eefa c\u00e1c GPU! - Blog | TheGioiMayChu\" \/>\n<meta name=\"twitter:description\" content=\"NVLink l&agrave; g&igrave; v&agrave; n&oacute; ho&#7841;t &#273;&#7897;ng nh&#432; th&#7871; n&agrave;o? 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