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Lookahead ak Lion ñaari coppite yu bees lañu ci gëna baaxal reso neuronal yi.
Déglul tegtal biiIA-nettali · ~2 min
Lookahead dafay laxas bépp optimisatëru base ak diisaay yu 'yeex' ak 'gaaw' ngir gëna dëgër, ci noonu la Lion (EvoLved Sign Momentum) ñu gis ko ci prograamu IA buy seet ak yeesal diisaay yi di jëfandikoo màndarga momentum rek - muy def ko memory-light te lu bari lu gëna gaaw Adam.
Lookahead, bi Zhang, Hinton ak ay naataango taxawal ci 2019, dafay doxal benn 'gaaw' optimizer (lu melni Adam wala SGD) ngir k jéego, ba noppi nudges benn set bu 'yeex' poids benn fraction ci yoon wi jëm ci fi poids gaaw yi mujjee. Loolu dafay wàññi osilaasioŋ yi ba noppi wàññi sensitiwite ci hiperparametre yi. Lion, bi Google siiwal ci 2023, mingi génne ci seetug prograamu màndarga ci kaw algorithm yiy gëna xéewale. Dafay topp momentum bi waaye dafay jëfandikoo fonction sign bi ci yeesal bi, suko defee parametre bu nekk di toxu ci dayo jéego bu takku ci wàllu sign gradient biñ dajale. Lion du denc ludul tampon momentum (genn-wàll nekkinu Adam, biy denc ñaar), jëfandikoo decay bu gëna mag ak njàng mu gëna ndaw, ba noppi match wala beat Adam ci gis-gis bu yaatu ak xeetu làkk yi ci di tàggat lu gëna gaaw te gëna yomb.
Defar Adam ak Lookahead ngir dakkal tàggat trafo yi ak wàññi coono bi ci ajustement hyperparamètre yi.
Jëfandikoo Lion ngir tàggat ay xeetu gis-gis yu rëy (lu melni, ViT) ak mémoire optimiser bu gëna ndaw Adam.
Tàggat modeli làkk yi ak Lion ngir am njubte bu méngoo ak njëgu ordinatër bu wàññeeku.
Boole Lookahead ak SGD ci ndaw yiy jàngale doole ngir mëna yeesal politik yu bari xumbaay yi.
Lion dañu ko jëfandikoo ci ay tàggat yu bari ndax dafay dagg memory optimisateur bi te mën na gaawal convergence bi, te gis-gis bimu am dafay wane seetlu algorithm 'AI-designing-AI' bi nekk luy am njariñ ci liggéey bi. Xaarandil yeneen optimisatër yu bawoo ci seet, ay pexe hybrid yuy jaxase poid yu yeex yu Lookahead ak yeesali siñaal, ak bëgg-bëgg buy gëna yokk ci optimisatër yu am mémoire ndax dayo model yi dañuy wéy di stress ci budget mémoire GPU.
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Lookahead ak Lion ñaari coppite yu bees lañu ci gëna baaxal reso neuronal yi. Lookahead dafay laxas bépp optimisatëru base ak diisaay yu 'yeex' ak 'gaaw' ngir gëna dëgër, ci noonu la Lion (EvoLved Sign Momentum) ñu gis ko ci prograamu IA buy seet ak yeesal diisaay yi di jëfandikoo màndarga momentum rek - muy def ko memory-light te lu bari lu gëna gaaw ci Adam.
Lion dafay jëfandikoo fonction siñaal bi ci ab terme momentum buñ interpole, suko defee parametre bu nekk di toxu ci jéego bu maase ci wàllu siñaalu gradient bi.
Lookahead dafay doxal ab optimisatëru biir bu gaaw ngir k jéego, ba noppi mu toxal poid yu yeex yi ci yoon wi jëm ci poid yu gaaw yi ba noppi reset.
Lion (EvoLved Sign Momentum) mingi juddoo ci ab doxalinu seetlu prograam bu jëm kanam ba noppi jàngat prograam yiy gëna xéewale.
Adam topp na saa yu njëkk yi ak yu ñaareel yi; Lion benn tampon momentum kese lay denc, lu tollu ci genn-wàll memory stade optimisateur bi.
Bi nga xamee ni fonction signe bi dafay tëral magnitude bu yeesal coordonnée bu nekk, jéego bi am solo dafa yaatu, moo tax ñuy jëfandikoo tolluwaayu jàng bu gëna ndaw (ak decay bu gëna mag).
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Ci bi mu melGis bi ci topp
Optimiser bi dafay wàcci ci CPU ak NVMe
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