Dubawa
InfiniBand babban haɗin gwiwa ne mai sauri, ƙarancin latency wanda ke haɗa sabobin da GPUs a cikin gungu na AI, kuma RDMA yana ƙyale injin ɗaya karanta ko rubuta ƙwaƙwalwar ajiyar wani ba tare da haɗa CPU ba. Tare su ne aikin famfo wanda ke kiyaye dubban GPUs ciyar da bayanai yayin babban horon samfuri.
InfiniBand da RDMA Networking wani shingen gini ne na fasaha wanda ke shafar ingancin samfurin, farashin kayayyakin more rayuwa, latency, da aminci a sikeli.
Zurfafa nutsewa
Lokacin da kuke horar da samfuri a cikin dubunnan GPUs, hanyar sadarwar takan zama ƙulli, ba kwakwalwan kwamfuta ba. InfiniBand shine masana'anta da aka canza don wannan: yana ba da bandwidth ta hanyar haɗin gwiwa a cikin ɗaruruwan gigabits a sakan daya (NDR yana gudana a 400 Gb/s) da latency-microsecond. Its key trick is Remote Direct Memory Access (RDMA), which moves data directly between the memory of two nodes, bypassing the operating-system kernel and CPU copies that slow ordinary TCP/IP. Wannan 'kernel bypass' yana 'yantar da kewayon CPU kuma yana rage latti. InfiniBand kuma yana ba da ikon sarrafa kwararar kayan masarufi don masana'anta mara asara, kuma NVIDIA's Quantum switches tare da adaftar ConnectX sun mamaye manyan kwamfutocin AI. RoCE (RDMA akan Haɗin Ethernet) yana kawo fa'idodin RDMA iri ɗaya zuwa cibiyoyin sadarwar Ethernet.
Fahimtar Fasaha
RDMA yana aiki ta hanyar fi'ili da nau'ikan layi. Aikace-aikacen yana aika buƙatun aiki don aikawa da karɓar layukan layi; adaftar hanyar sadarwa (HCA) tana karanta su kuma tana canja wurin bayanai kai tsaye zuwa wuraren da aka riga aka yi rajista, maƙallan ƙwaƙwalwar ajiya akan mai watsa shiri mai nisa. Saboda NIC tana sarrafa canja wuri a cikin kayan masarufi kuma ana ƙetare kernel na OS, babu kwafin bayanai sifili kuma babu kowane fakitin CPU da ke katsewa don canja wurin girma. InfiniBand's link-Layer credit-tuus Control Control-flower yana hana zubar da ruwa, yana mai da masana'anta zama mara asara ba tare da guguwa ba.
Jagorar InfiniBand da RDMA Networking
InfiniBand babban haɗin gwiwa ne mai sauri, ƙarancin latency wanda ke haɗa sabobin da GPUs a cikin gungu na AI, kuma RDMA yana ƙyale injin ɗaya karanta ko rubuta ƙwaƙwalwar ajiyar wani ba tare da haɗa CPU ba. Tare su ne aikin famfo wanda ke kiyaye dubban GPUs ciyar da bayanai yayin babban horon samfuri. InfiniBand da RDMA Networking wani shingen gini ne na fasaha wanda ke shafar ingancin samfurin, farashin kayayyakin more rayuwa, latency, da aminci a sikeli. Don gina zurfin fahimta, bi InfiniBand da RDMA Networking a matsayin samfurin aiki, ba fasali ɗaya ba: ayyana sakamakon da ake so, fayyace zato, da raba abin da tsarin zai iya yi da dogaro daga abin da har yanzu ke buƙatar yanke hukunci na ƙwararru.
A aikace, ƙungiyoyi masu ƙarfi masu amfani da InfiniBand da RDMA Networking suna haɓaka gine-gine, bayanai, da zaɓin abubuwan more rayuwa a kan dogaro da farashi. Suna rubuta ƙayyadaddun ƙa'idodin nasara, gwaji akan bayanan gaskiya da gudanawar aiki, da jujjuyawar bisa ga tsarin gazawar da aka lura maimakon cin nasara na lokaci ɗaya. Wannan shine inda fahimtar ka'idar ta juya zuwa iyawa mai dorewa a cikin samfura, manufofi, da ayyuka.
Hukunce-hukuncen gine-gine suna haifar da aiki da tsadar aiki na shekaru. A lokaci guda, Haɓaka ma'auni ɗaya na iya ɓoye manyan raunin tsarin. Hanyar da ta fi dacewa ita ce haɗa saurin gwaji tare da horon gudanarwa: gudanar da matukin jirgi, kama shaida, buga rajistan ayyukan yanke shawara, da ci gaba da sabunta abubuwan tsaro kamar yadda halayen ƙira, tsammanin mai amfani, da buƙatun tsari ke tasowa.
Dabarun Tasiri
Hukunce-hukuncen gine-gine suna haifar da aiki da tsadar aiki na shekaru.
Hukunce-hukuncen gine-gine suna haifar da aiki da tsadar aiki na shekaru. A cikin ƙawance masu inganci, ana fassara wannan zuwa ƙa'idodin aiki waɗanda za a iya aunawa, iyakokin ikon mallaka, da kuma bita-da-kullin bita don ƙungiyoyi su iya haɓaka kwarin gwiwa a maimakon ɓata shakku.
Ilimin fasaha yana taimaka wa ƙungiyoyi su zaɓi tari mai kyau, ba kawai sabon abu ba.
Ilimin fasaha yana taimaka wa ƙungiyoyi su zaɓi tari mai kyau, ba kawai sabon abu ba. A cikin ƙawance masu inganci, ana fassara wannan zuwa ƙa'idodin aiki waɗanda za a iya aunawa, iyakokin ikon mallaka, da kuma bita-da-kullin bita don ƙungiyoyi su iya haɓaka kwarin gwiwa a maimakon ɓata shakku.
Zaɓuɓɓukan injiniya mafi kyau suna rage abin dogaro a cikin samarwa.
Zaɓuɓɓukan injiniya mafi kyau suna rage abin dogaro a cikin samarwa. A cikin ƙawance masu inganci, ana fassara wannan zuwa ƙa'idodin aiki waɗanda za a iya aunawa, iyakokin ikon mallaka, da kuma bita-da-kullin bita don ƙungiyoyi su iya haɓaka kwarin gwiwa a maimakon ɓata shakku.
Aiwatar da Gaskiyar Duniya
Haɗa dubunnan GPUs a cikin babban kwamfuta na AI don haka bayanan gradient suna motsawa tsakanin nodes a cikin microsecond yayin horon da aka rarraba.
Bari wani uwar garken ya karanta ƙwaƙwalwar ajiyar wani kai tsaye (RDMA) don haɓaka tsarin fayilolin da aka rarraba da kuma bayanan bayanai ba tare da CPU ba.
Gudun NCCL duk-rage ayyuka akan InfiniBand don daidaita ma'aunin ƙira a cikin gungu na GPU
Yin amfani da RoCE don kawo canjin yanayin rashin jinkiri na salon RDMA zuwa cibiyoyin cibiyar bayanai na Ethernet data kasance
Hanyoyin Aiwatarwa
InfiniBand da RDMA Networking a aikace
Haɗa dubunnan GPUs a cikin babban kwamfuta na AI don haka bayanan gradient suna motsawa tsakanin nodes a cikin microsecond yayin horon da aka rarraba.
Haɗa dubunnan GPUs a cikin babban kwamfuta na AI don haka bayanan gradient suna motsawa tsakanin nodes a cikin microsecond yayin rarraba horo Ƙungiyoyi yawanci suna samun sakamako mafi kyau lokacin da suka ayyana ma'auni masu inganci a gaba, kiyaye hanyar haɓakar ɗan adam don ƙararraki, da bin diddigin nasarorin yawan aiki da ƙimar kuskure akan lokaci.
InfiniBand da RDMA Networking a aikace
Bari ɗaya uwar garken ya karanta ƙwaƙwalwar ajiyar wani kai tsaye (RDMA) don haɓaka tsarin fayilolin da aka rarraba da bayanan bayanai ba tare da CPU sama ba.
Bar ɗayan uwar garken ya karanta ƙwaƙwalwar ajiyar wani kai tsaye (RDMA) don haɓaka tsarin fayilolin da aka rarraba da kuma bayanan bayanai ba tare da CPU sama da Ƙungiyoyin yawanci suna samun sakamako mafi kyau lokacin da suka ayyana ma'auni masu inganci a gaba, kiyaye hanyar haɓakar ɗan adam don ƙararraki, da kuma bin diddigin nasarorin yawan aiki da ƙimar kuskure akan lokaci.
InfiniBand da RDMA Networking a aikace
Gudun NCCL duk-rage ayyuka akan InfiniBand don daidaita ma'aunin ƙira a cikin gungu na GPU.
Gudun NCCL duk-rage ayyuka akan InfiniBand don daidaita ma'aunin ƙira a cikin rukunin rukunin GPU yawanci suna samun sakamako mafi kyau lokacin da suka ayyana ma'auni masu inganci a gaba, kiyaye hanyar haɓakar ɗan adam don shari'o'in gefe, da bin duk nasarorin samarwa da ƙimar kuskure akan lokaci.
InfiniBand da RDMA Networking a aikace
Yin amfani da RoCE don kawo canjin yanayin rashin jinkiri na salon RDMA zuwa cibiyoyin cibiyar bayanai na Ethernet data kasance.
Yin amfani da RoCE don kawo canja wurin ƙaramin-latency salon RDMA zuwa cibiyoyin sadarwar cibiyar bayanan Ethernet da ke akwai Ƙungiyoyi yawanci suna samun sakamako mafi kyau lokacin da suka ayyana ƙofofin inganci a gaba, kiyaye hanyar haɓakar ɗan adam don shari'o'in gefen, da bin duk nasarorin samarwa da ƙimar kuskure akan lokaci.
Hatsari & Tsare-tsare
Haɓaka ma'auni ɗaya na iya ɓoye manyan raunin tsarin.
Sau da yawa ana raina kayan more rayuwa da kuma kuɗin kulawa.
Tsaro da gibin lura na iya girma yayin da tsarin ke ƙara haɓaka.
Taswirar Hanya
Ƙayyade latency, inganci, da maƙasudin farashi kafin aiwatarwa.
Ƙayyade latency, inganci, da maƙasudin farashi kafin aiwatarwa. Ɗauki kowane mataki azaman ƙofar shaida: idan ba a cika sharuɗɗa ba, dakatar da fitar, rufe tazarar, sannan kawai faɗaɗa amfani.
Alamar ma'auni a ƙarƙashin ainihin kaya da yanayin bayanai.
Alamar ma'auni a ƙarƙashin ainihin kaya da yanayin bayanai. Ɗauki kowane mataki azaman ƙofar shaida: idan ba a cika sharuɗɗa ba, dakatar da fitar, rufe tazarar, sannan kawai faɗaɗa amfani.
Kula da kayan aiki don kurakurai, ɗigo, da tasirin mai amfani.
Kula da kayan aiki don kurakurai, ɗigo, da tasirin mai amfani. Ɗauki kowane mataki azaman ƙofar shaida: idan ba a cika sharuɗɗa ba, dakatar da fitar, rufe tazarar, sannan kawai faɗaɗa amfani.
Shirya bijirowa da hanyoyin mayar da martani kafin sikeli.
Shirya bijirowa da hanyoyin mayar da martani kafin sikeli. Ɗauki kowane mataki azaman ƙofar shaida: idan ba a cika sharuɗɗa ba, dakatar da fitar, rufe tazarar, sannan kawai faɗaɗa amfani.