Ci bi mu melGis bi ci topp
paralelism tensor ngir model yu mag
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GUIDE teknik
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.
Déglul tegtal biiIA-nettali · ~2 min
Loolu moo tax ñu mëna tàggat modeli làkk yu mag yu am téemeeri milyaari parametre ci wàllu yaram.
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.
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.
Kadre yi dañuy gëna otomatise jafe-jafe bu metti bi di jël dogal ci ni ñuy xaajalee ab model ci ay aparey, jëfandikoo profilage ak seetlu ngir yemale ordinatër ak jokkoo. Xaarandi boole tensor, pipeline, ak parallelism done (parallelism 3D), micro-batch bu gëna xarañ ngir daanaka dindi bubbles pipeline, ak aparey yu am lëkkaloo yu gëna gaaw suko defee xaaj benn layer ci puce yi gëna xéewale ak model bu gëna bari ay mbir ba fàww.
Bulletin bu amul fayda
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Nattal sa bopp
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Jàppale njàngum IA te doo fay. AI Understanding mbootaay la buy def te Yàlla tax — amul yëgle, amul paywall, musul am. Defal ab sarax
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.
Model ak parallelism pipeline dañuy xaaj model bi ci boppam ci aparey yi, loolu mooy tax ñu mëna tàggat reso yu gëna mag te benn GPU mënu ko tëye.
Parallelism tensor dafay xaaj calcul bi ci benn layer, ci misaal xaaj matrix bu yaatu suko defee GPU bu nekk xayma benn wàll ci génne gi.
Bu njëkk ci jéego pipeline, etape yi ci suuf amul benn dugal ba leegi te dañu toog rek, di yàq jotu GPU bi; bërëb bu amul benn liggéey lañuy woowe bubble.
Séddale benn batch ci ay micro-batch dafay may micro-batch yu bari ñu jël ay etape yu wuute benn yoon, loolu mooy tax GPU yépp nekk ci liggéey ba noppi di wàññi diiru inactif bi.
Parallelism tensor dafay jokkoo lu bari ngir boolewaat ay resultaa matrix yu xaaj, moo tax ñu koy def ci barab bi bandwidth bi gëna rëy, ci biir benn node ci kaw NVLink.
Weyal di jàng
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Ci bi mu melGis bi ci topp
paralelism tensor ngir model yu mag
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