Résumé
Sudee benn model dafa yaatu lool ba mënu ci nekk ci benn GPU, model bi ak parallelism pipeline bi dañuy xaaj model bi ci boppam ci aparey yi. Loolu moo tax ñu mëna tàggat modeli làkk yu mag yu am téemeeri milyaari parametre ci wàllu yaram.
Paralelism model ak pipeline ab bloku tabax la bu am njeexital ci kalite model bi, njëgu infrastructure bi, yeexal bi, ak wóor ci escalier bi.
Plongeur bu xóot
Model parallelism dafay xaaj benn model ci GPU yu bari suko defee benn aparey soxlawul tëye diisaay yépp. Amna ñaari cafka yu mag. Parallelism tensor (ci biir couche) dafay xaaj math bi ci biir benn couche, lu ci melni dagg matrix bu rëy ci GPU yi nga xamni bu nekk ci ñoom dafay xayma wàll wi génne. Parallelism pipeline (diggante couche) dafay jox ay couche yu wuute yu toppalante ci GPU yu wuute, kon couche block 1 dafay dundu ci GPU 0, block 2 ci GPU 1, ak ñoom seen, ak aktivasioŋ yu ñuy romb ci kanam ni ligne montage. Jafe-jafe bi ci pipelining naïf mooy 'bubble' bi: bi GPU 0 di liggéey ci batch bu njëkk bi, GPU yi ci suuf dañuy toog. Pipelining dafay xaaj lote bu nekk ci ay micro-lote suko defee etape yépp nekk ci liggéey, gëna baaxal jëfandikoo gi.
Gis-gis xarala
Paralelism tensor (ni ci NVIDIA Megatron-LM) dafay xaaj matris yu diis yi ci kolon wala ci ligne, ba noppi jëfandikoo wàññi-lepp ngir boolewaat ay resultaa yu xaaj, di tëye jokkoo bi ci biir benn node NVLink bu gaaw. Paralelismu gasoduc (GPipe, PipeDream) dafay xaaj lote bi ci ay micro-lote yuy jaar ci ay etape ci ay jamono yu wuute, di wàññi diiru 'bubble' bi amul benn liggéey. Ñaari mbir yooyu dañuy faral di boole, am paralelism tensor ci biir benn node ak paralelism pipeline ci biir node yi.
Xam model ak paralelismu tuyo
Sudee benn model dafa yaatu lool ba mënu ci nekk ci benn GPU, model bi ak parallelism pipeline bi dañuy xaaj model bi ci boppam ci aparey yi. Loolu moo tax ñu mëna tàggat modeli làkk yu mag yu am téemeeri milyaari parametre ci wàllu yaram. Paralelism model ak pipeline ab bloku tabax la bu am njeexital ci kalite model bi, njëgu infrastructure bi, yeexal bi, ak wóor ci escalier bi. Ngir tabax xam-xam bu xóot, jàppal Model ak Pipeline Parallelism ni modelu liggéey, du benn man-man: leeral njariñ yi nga bëgg, leeralal xalaat yi, ak tàqale li sistem bi mëna def ci anam wu wóor ak li ba leegi soxla àtteb kàngam.
Ci jëf, ekip yu am doole yiy jëfandikoo Model ak Parallelism Pipeline dañuy gëna baaxal architecture, done, ak tànneefi infrastructure ci wàllu wóor ak njëg. Dañuy bind kritër yu leer ngir am ndam, natt leen ci done yu dëggu ak def liggéey, ba noppi ñu baamtu ci anamu ñàkka mëna seetlu, du ci benn yoon benchmark wins. Mooy barab bi xam-xam theorie bi di soppiku nekk kàttan buy yàgg ci produit yi, ci politik yi ak ci liggéey yi.
Dogal yi architecture di jël dañuy indi njariñ ak njëgu liggéey bi ay at ci ginaaw. Ci jamano jooju, Optimisation benn benchmark mën na nëbb ñakk kattan yu gëna yaatu ci sistem bi. Xeetu jëf bi gëna dëgër mooy boole gaawaayu jàngat ak disipline nguur: doxal pilote, jàpp firnde, siiwal dogal yi, ak wéy di yeesal kaaraange gi ci anam wi ñuy doxalee, li jëfandikukat bi di xaar, ak sàrti sàrt yi di jëm kanam.
njeextalu pexe
Dogal yi architecture di jël dañuy indi njariñ ak njëgu liggéey bi ay at ci ginaaw.
Dogal yi architecture di jël dañuy indi njariñ ak njëgu liggéey bi ay at ci ginaaw. Ci jëfandikoo yu am kalite bu kawe, loolu dañu koy tekki ci sàrti liggéey yuñ mëna natt, ay peggu boroom, ak ay xew-xewu xoolaat yu bari suko defee ekip yi mëna yokk wóolu seen bopp ci barabu yokk lu jaxasoo.
Njàngalem xarala yi dafay jàppale ekip yi ñu tànn li gën, te baña yam ci li gëna bees daal.
Njàngalem xarala yi dafay jàppale ekip yi ñu tànn li gën, te baña yam ci li gëna bees daal. Ci jëfandikoo yu am kalite bu kawe, loolu dañu koy tekki ci sàrti liggéey yuñ mëna natt, ay peggu boroom, ak ay xew-xewu xoolaat yu bari suko defee ekip yi mëna yokk wóolu seen bopp ci barabu yokk lu jaxasoo.
Tanneef yu gëna baax ci wàllu ingeñër dina wàññi jafe-jafe yi ci wàllu wóor ci liggéey bi.
Tanneef yu gëna baax ci wàllu ingeñër dina wàññi jafe-jafe yi ci wàllu wóor ci liggéey bi. Ci jëfandikoo yu am kalite bu kawe, loolu dañu koy tekki ci sàrti liggéey yuñ mëna natt, ay peggu boroom, ak ay xew-xewu xoolaat yu bari suko defee ekip yi mëna yokk wóolu seen bopp ci barabu yokk lu jaxasoo.
Doxal ci àdduna dëgg
Taggat xeetu GPT ak NVIDIA Megatron-LM, biy xaaj bépp couche transformateur ak matris feed-forward ci GPU yi jaaraleko ci paralelism tensor.
Jëfandikoo GPipe ngir def ay couche yu wuute ci gis-gis bu mag wala modelu làkk ci gaawaay yu wuute ci jamono ji micro-batching di leen tëye.
Motëru pipeline bu DeepSpeed dafay xaaj xeetu parametre yu bari yu am téemeeri milyaar ci ay etape ci node yu bari.
Njaxas paralelism tensor ci biir benn serwër 8-GPU ak paralelism pipeline buy jaar ci serwër yu bari ngir tàggat model bu rëy lool ci benn masin.
Modèlu jëfandikoo
Model ak paralelismu gasoduc ci jëf
Taggat xeetu GPT ak NVIDIA Megatron-LM, biy xaaj bépp couche transformateur ak matris feed-forward ci GPU yi jaaraleko ci paralelism tensor.
Taggat xeetu GPT ak NVIDIA Megatron-LM, biy xaaj bépp couche transformateur ak matrices feed-forward ci GPUs jaaraleko ci parallelism tensor.
Model ak paralelismu gasoduc ci jëf
Jëfandikoo GPipe ngir def ay couche yu wuute ci gis-gis bu mag wala modelu làkk ci gaawaay yu wuute ci jamono ji micro-batching di leen tëye.
Jëfandikoo GPipe ngir def ay layers yu wuute ci gis-gis bu mag wala modelu làkk ci accelerator yu wuute ci jamono ji micro-batching di leen tëye. Ekip yi dañuy faral di am njariñ yu gëna baax suñu joxee threshold yu baax ci kanam, tëye yoonu escalation nit ngir jafe-jafe yi, ba noppi topp njariñu produit ak njëgu njuumte ci diir bi.
Model ak paralelismu gasoduc ci jëf
Motëru pipeline bu DeepSpeed dafay xaaj xeetu parametre yu bari yu am téemeeri milyaar ci ay etape ci node yu bari.
Motëru pipeline bu DeepSpeed bi dafay xaaj xeetu parametre yu bari-téemeeri-milyaar ci ay etape ci node yu bari. Ekip yi dañuy faral di am njariñ yu gëna baax suñu joxee ay threshold yu baax ci kanam, tëye yoonu escalation nit ngir jafe-jafe yi, ba noppi topp njariñu produit ak njëgu njuumte ci diir bi.
Model ak paralelismu gasoduc ci jëf
Njaxas paralelism tensor ci biir benn serwër 8-GPU ak paralelism pipeline buy jaar ci serwër yu bari ngir tàggat model bu rëy lool ci benn masin.
Tensor parallelism ci biir benn serwër 8-GPU ak parallelism pipeline buy jëm ci serwër yu bari ngir tàggat benn model bu rëy lool ci benn masin.
Risk yi ak balustrade yi
Optimize benn benchmark mën na nëbb ñakk kattan yu gëna yaatu ci sistem bi.
Njëg li ñuy fay ci infrastructure yi ak ci toppatoo dañuy faral di suufeel.
Bu sistem yi di gëna xawa jafee xam, jafe-jafe yi am ci wàllu kaaraange ak seetlu mën nañu gëna bari.
Roadmap ngir samp gi
Mandargal latency, kalite, ak njëg yi laata ngay jëfandikoo.
Mandargal latency, kalite, ak njëg yi laata ngay jëfandikoo. Japp jéego bu nekk ni buntu firnde: sudee mattul kritër yi, noppali génne gi, tëj bërëb bi, ba noppi nga yaatal jëfandikoo gi.
Benchmark ci biir sargal ak done yu dëggu.
Benchmark ci biir sargal ak done yu dëggu. Japp jéego bu nekk ni buntu firnde: sudee mattul kritër yi, noppali génne gi, tëj bërëb bi, ba noppi nga yaatal jëfandikoo gi.
Jumtukaay bi di saytu njuumte yi, derive bi ak njeextalu jëfandikukat bi.
Jumtukaay bi di saytu njuumte yi, derive bi ak njeextalu jëfandikukat bi. Japp jéego bu nekk ni buntu firnde: sudee mattul kritër yi, noppali génne gi, tëj bërëb bi, ba noppi nga yaatal jëfandikoo gi.
Waajal rollback ak yooni tontu ci jafe-jafe yi laata ngay eskale.
Waajal rollback ak yooni tontu ci jafe-jafe yi laata ngay eskale. Japp jéego bu nekk ni buntu firnde: sudee mattul kritër yi, noppali génne gi, tëj bërëb bi, ba noppi nga yaatal jëfandikoo gi.