TSARIN KAYA

Kayan Aiki na NVIDIA GB200 NVL72 da MPO-8 APC Cabling don Raka'o'i Masu Faɗawa

Rushewar tsarin kebul na Blackwell Scalable Unit (SU), inda racks 8 ke haɗuwa cikin igiyoyin fiber masu aiki 9,216.

DGX GB200 Scalable Unit (SU) yana wakiltar babban canji a cikin tsarin cibiyar bayanai. SU wani yanki ne na 576-GPU wanda aka haɗa da igiyoyin fiber masu aiki 9,216. ScaleFibre yana ba da igiyoyin da aka ƙare daidai waɗanda ake buƙata don sarrafa wannan yawa.

The 4 Physical SuperPOD Fabrics

NVIDIA ta raba SU zuwa sassa na zahiri daban-daban don ware zirga-zirgar GPU.

MN-NVL (NVLink 5)

Scale-Up

Cibiyar sadarwa ta ‘cikin gida’ ta haɗa GPUs 72 a 1.8 TB/s.

  • Babu Fiber Optical
  • Passive Copper Backplane
  • Masu haɗa Blind-mate

Compute InfiniBand

Scale-Out

Babban rukunin ‘Gabas-Yamma’ don manyan horo na multi-node.

  • Igiyoyin fiber masu aiki 4,608 a kowane SU
  • Rail-optimized topology
  • Quantum-3/Quantum-2

Ajiya & In-Band

Frontend

Rukunin tushen Ethernet don shigar da bayanai masu sauri da samarwa.

  • Factor na Katangewa 5:3
  • BlueField-3 DPU offload
  • Goyan bayan VXLAN/RoCE

OOB Management

Control Plane

Cibiyar sadarwa ta ware don telemetry na hardware, BMC, da sarrafa PDU.

  • RJ45/Cat6 Copper
  • Matakin SN2201 Switch
  • Tsaron air-gap na zahiri

Ma'aunin Exascale SU

Ƙungiya mai racks 8 Scalable Unit tana wakiltar tushen ginshiƙin masana'antar NVIDIA AI.

9,216

Igiyoyin Fiber Masu Aiki a kowane SU

4,608

Igiyoyin Compute-Only

5:3

Adadin Katangewar Ajiya

400G/800G

Saurin Tashar Tashar Asali

Matakai Uku na Haɗin SU

1
Mataki na A: Server-zuwa-Leaf

Igiyoyin fiber 1,152 a kowane rack ta amfani da manyan igiyoyin fiber ko jumpers don haɗa nodes na NVL72 zuwa Leaf Switches.

2
Mataki na B: Leaf-zuwa-Spine

Haɗa zirga-zirgar da ke daidaita layin dogo a cikin SU ta amfani da hanyoyin haɗi marasa katange 1:1 don sarrafa bayanai.

3
Mataki na C: Spine-zuwa-Core

Sakamakon wuce SU zuwa yankin Core na tsakiya ta amfani da manyan igiyoyi.

Gyaran Gargajiya (Point-to-Point)

  • ✕
    Rikitarwa ta Hannu: Yana buƙatar igiyoyin gyara guda 9,216 a kowane toshe mai racks 8.
  • ✕
    Tarkatar Tsarin Iska: Manyan igiyoyin kebul suna toshe hanyoyin fitar da ruwa-sanyaya.
  • ✕
    Matsayin Hadari: Babban yuwuwar ’layukan giciye’ yayin gyaran 1:1 na hannu.
  • ✕
    Lokacin Aiki: Fiye da sa’o’i 115 don jagorar hannu da lakabi a kowane SU.

Modular High Fibre Count Trunking

  • ✓
    Plug-and-Play: Yana haɗa dubban fiber cikin fitattun igiyoyin 128F/144F/256F/288F/576F da aka ƙera.
  • ✓
    Ingantaccen Zafin Jiki: Ƙananan kebul masu diamita suna ƙara yawan iska a cikin racks masu yawa.
  • ✓
    Ingancin Hanyar: Yana haɗa igiyoyin fiber masu aiki 1,152 a kowane rack cikin manyan hanyoyin MPO.
  • ✓
    Yanayin Shigarwa: Saurin shigarwa ta hanyar taron masana’anta da aka gwada.

Ci gaban Fiber Mai Aiki: Node zuwa Full SuperPOD

Rikitarwar Kebul
Igiyoyin fiber masu aiki 9,216 a kowane SU suna buƙatar manyan igiyoyin fiber masu ƙarfi don guje wa 'rikicin kebul' da ke toshe iska.

An Hanga Scalable Unit

Block na Compute na Rack 8
Block na Compute na Rack 8

NVIDIA GB200 SU (Scalable Unit) ta ƙunshi racks 8, kowanne yana da tsarin DGX GB200 NVL72 tare da GPUs 72.

Rarraba Manyan Igiyoyin Fiber
Rarraba Manyan Igiyoyin Fiber

Haɗa dubban fiber na rack zuwa manyan igiyoyin don sarrafa iska, saurin shigarwa da rage amfani da hanya.

Sanyin Ruwa
Sanyin Ruwa

Faranti masu sanyin ruwa suna daidaita yanayin tire, suna ba da damar masu karɓar OSFP su fitar da zafi yadda ya kamata ta hanyar amfani da wuraren zafi.

Technical FAQ

+ Ta yaya adadin SU ke zama mai sarrafawa a igiyoyin fiber 9,216?
Ta hanyar amfani da matakan kebul. Manyan igiyoyin fiber suna maye gurbin dubban igiyoyin gyaran MPO guda ɗaya, suna rage girman jiki da hana toshewar sanyaya.
+ Menene '5:3 Blocking Factor' a cikin rukunin ajiya?
Sabanin rukunin sarrafa bayanai marar katange (1:1), an yi niyya don rukunin ajiya ya zama sama da kima. Wannan yana rage farashin fiber da rikitarwa yayin da yake biyan buƙatar 40GB/s a kowane node don ajiya. Sau da yawa ana amfani da kebul ɗin gyaran MPO masu jituwa da NVIDIA don shigarwa.
+ Me yasa rukunin NVLink na ciki ba shi da fiber?
NVIDIA tana amfani da passive copper backplane da kwandon kebul a cikin rack na NVL72. Wannan yana kawar da dubban masu karɓar optical da fiber, yana rage yawan amfani da wutar lantarki da jinkiri. An ajiye optical fiber don rukunin sarrafa bayanai na waje.
+ Me zai faru idan muka faɗaɗa zuwa Scalable Units 16?
A ma’aunin SU 16 (GPUs 9,216), jimlar adadin fiber mai aiki don rukunin sarrafa bayanai kadai ya kai igiyoyi 18,432. Gudanar da wannan yawa yana buƙatar manyan gidajen da ke da yawa waɗanda aka tsara musamman don manyan fiber optical da tsarin sauya Core group na tsakiya.
+ Me yasa ake amfani da MPO-8 maimakon MPO-12 na yau da kullun?
Masu karɓar 400G NDR da 800G XDR na zamani suna amfani da optical masu kama da layin 4 ko layin 8. Daidaitawar MPO mai fiber 8 tana dacewa da saitin 4x Tx da 4x Rx daidai. Amfani da manyan igiyoyin MPO masu aiki na fiber 8 yana kawar da fiber ‘duhu’ ko bata a cikin rukunin cluster.
+ Menene mahimmancin goge APC (Angled Physical Contact)?
Siginar 100G-PAM4 mai sauri tana da matuƙar hankali ga tunani-baya. Kusurwar digiri 8 na mai haɗa APC yana tabbatar da cewa an sha hasken da aka nuna a cikin fiber cladding, yana kiyaye Babban Optical Return Loss (ORL) da ake buƙata don horon AI mara kuskure.
+ Ta yaya yawan fiber ke shafar dakunan AI masu sanyin ruwa?
Ko da da tire masu sanyin ruwa, har yanzu dole ne iska ta zagaya don sarrafa zafi na biyu. Amfani da kebul na SmartRibbon mai yawa yana rage diamita na kebul sosai, yana tabbatar da cewa kebul ɗin jiki baya toshe iska ko na’urorin sanyaya ruwa.
+ Menene iyakokin nisa don kebul na matakin SU?
Multimode (OM4/OM5) an iyakance shi zuwa mita 50 don 400G/800G. Don hanyoyin haɗin Spine-to-Core na tsakiya waɗanda suka wuce wannan, fiber Single-mode G.657.A1 wajibi ne don tallafawa isar da nesa ba tare da lalacewar sigina ba.
+ Zan iya amfani da daidaitattun kebul na waje don cibiyoyin bayanai na AI?
A’a. Dakunan AI na cikin gida suna buƙatar LSZH (Low Smoke Zero Halogen), Riser ko Plenum don biyan buƙatun ka’idojin tsaro na wuta dangane da ka’idojin gida. Don hanyoyin da ke da yawa, kebul na SlimCORE na musamman na cikin gida suna samar da adadin igiyoyin da ake buƙata a cikin rage diamita.
+ Menene fa'idar pigtails da aka ƙare a masana'anta a cikin SU?
MPO cord optical fibre pigtails suna ba da damar saurin haɗawa da fusion a matakin Spine ko Core. Wannan ƙarewar da masana’anta ke sarrafawa a ƙarshe ɗaya yana ba da fa’idodin pre-termination, yayin da ƙarshen ‘blunt’ yana ba da damar sassauci don dacewa da tsayin da ake buƙata a wurin.

Tsara Masana'antar AI ɗinka

ScaleFibre yana ba da mafita na kebul da aka riga aka ƙare don shigarwar NVIDIA DGX SuperPOD.

Tuntuɓe Mu

Samo cikakkun bayanai kan manyan igiyoyin fiber don NVidia DGX SU ɗinka.

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