Ci bi mu melGis bi ci topp
ZeRO ak Optimisatër yu xaaj
Xarala
GUIDE teknik
Adam mooy optimisatëru fasu liggéey bi ci ginaaw reso neuronal yu bees yi, di aju ci saasi tolluwaayu jàng bu wuute ci parametre bu nekk.
Déglul tegtal biiIA-nettali · ~2 min
Dafa am solo ndax dafay tax tàggat model yu xóot yi gëna gaaw te gëna néew finicky ni wàcci gradient bu leer.
Adam (Xayma waxtu buy méngoo), bi Kingma ak Ba dugal ci 2014, dafa boole ñaari xalaat. Bi njëkk mooy momentum: dafay tëye ab moyenne buy jeex ci gradient yi weesu (waxtu bu njëkk bi) suko defee yeesali tabax gaawaay ci yoon yu méngoo. Ñaareel ba mooy, eskalaasioŋ bu nekk ci parametre yi: dafay topp gradient kaare yi (ñaareelu saa bi) ba noppi xaaj jéego bu nekk ak rasine kare bu valeur boobu, suko defee parametre yi am gradient yu yaatu te bari bruit dañuy jël jéego yu gëna ndaw, te yu bariwul luñuy yeesal dañuy jël jéego yu gëna mag. Adaptabilite bii dafay tekki ni mën nga jëfandikoo benn tolluwaayu jàng ci reso bi yépp. Benn anam, AdamW, dafay dindi diisaay bi ci yeesali gradient bi ba noppi nekk na default ngir tàggat transformateur yu mag ak modeli làkk.
Taggat xeetu làkk yu mag yu melni GPT ak Llama, yuy jëfandikoo AdamW ni optimisatër buñ miin.
Fine-tuning benn classifier nataal buñ tàggat bu njëkk (lu melni, ResNet) ci kaw benn done buñ personaalise bu am taxawaayu njàngum Adam buñ jagleel.
Taggat xeetu diffusion yi ci ginaaw defarkati nataal yu melni Diffusion bu dëgër.
Doxal Adam 8-bit ci bibliotek yu melni bitsandbytes ngir méngale staadu optimisatër bi ci mémoire GPU bu néew.
Adam ak AdamW ñu ngi wéy di am doole, waaye gëstu yi dañuy puus efficacité ngir model yu am trillion-paramètre, fu denc ñaari valeur yu gëna bari ci poid bu nekk lu seer la. Xeetu mémoire yu woyof yu melni Adafactor, Adam 8-bit, ak optimisatër yu bees yu melni Lion (yiy jëfandikoo momentum bu lalu ci màndarga rek) ak Sophia dañu bëgga méngale kalite Adam ak mémoire bu néew wala convergence bu gëna gaaw. Xaarandil ay optimisatër yuñ defar ngir tàggat yaram bu woyof, ngir wéy di jëm kanam.
Bulletin bu amul fayda
Ñatti jaar-jaari IA yuñ firndeel bis bu nekk ci ayu-bis bi, ñu bind leen ci Àngle bu leer. Gratis ba fàww, amul yëgle.
Benn email bis bu nekk ci ayu-bis bi. Benn klik nga dindi abonemaa bi. Dunu musa jaay wala séddoo sa adres.
Nattal sa bopp
Feedback ci saasi ci bépp tontu, ak sertifikaa buñ mëna séddoo ak ID buñ mëna saytu soo jàllee ci njàng mi.
Jàppale njàngum IA te doo fay. AI Understanding mbootaay la buy def te Yàlla tax — amul yëgle, amul paywall, musul am. Defal ab sarax
Adam mooy optimisatëru fasu liggéey bi ci ginaaw reso neuronal yu bees yi, di aju ci saasi tolluwaayu jàng bu wuute ci parametre bu nekk. Dafa am solo ndax dafay tax tàggat model yu xóot yi gëna gaaw te gëna néew finicky ni wàcci gradient bu leer.
Adam dafay tëye ab moyenne buy jeex ci degrade yi (waxtu bu njëkk bi) ak degrade yu kaare yi (waxtu bu ñaareel bi) ci parametre bu nekk.
m ak v ñoom ñaar ñu ngi tàmbali ci nul, kon xayma yu njëkk yi dañu tuuti; xaaj ak (1 - beta^t) dafay saafara lii.
AdamW dafay jëfandikoo poids decay directement ci poids yi moo gën ñu ko jaxase ak terme gradient biy méngoo, loolu mooy gëna yombal generalisation ci transformateur yi.
Epsilon (ci diggante 1e-8) dañu koy yokk ci lim bi suko defee parametre yi am moyenne gradient kaare bu jege nul du waral benn explosion.
Soo xaajalee ak rasin kare bu moyenne gradient kaare bu parametre bu nekk, Adam dafay eskale dayo jéego bu parametre bu nekk moo gën jëfandikoo benn valeur global.
Weyal di jàng
Tann nañu yeneen njiit ngir topic bii
Ci bi mu melGis bi ci topp
ZeRO ak Optimisatër yu xaaj
Xarala