LoRA ak tuning bu baax
LoRA daf lay may nga mëna tànn sa bopp model bu mag buñu tàggat bu njëkk, di tàggat benn set bu ndaw ci poid yu bees, du ay miliyaar yépp.
Résumé
It is the trick that makes fine-tuning affordable on a single GPU and lets one base model serve dozens of specialized tasks.
Plongeur bu xóot
Fine-tuning bu mat sëkk dafay yeesal bepp diisaay ci benn model, te ci reso bu am ay milyaar ciy parametre dafay laaj memory bu bari ak dencukaay ngir liggéey bu bees bu nekk. LoRA (Low-Rank Adaptation) dafay jël yoonu gëna am xel: dafay gelaase poid yi njëkk yépp ba noppi dugal matris 'adapter' yu ndaw yuñ mëna tàggat ci seen wet. Li gëna am solo mooy coppite bi war ngir specialise benn model nekk na rang bu woyof - mën nañu ko jàpp ci ñaari matrix yu sew yu produit bi am benn forme ak matrix bu rëy, waaye ak lim yu néew lool ngir jàng. Dangay faral di tàggat ci suufu 1% ci parametre yi. Lépp soo ko boolee mu nekk benn fichier adaptateur bu ndaw (muy ay megabyte yu néew) nga mëna weccoo dugal ak genne. QLoRA demna lu gëna sori ci quantifié base frozen ci 4-bit, may nit ñi ñu fine-tune model yu mag ci hardware konsomatër.
Gis-gis xarala
Ngir matrix W bu diis, LoRA dafay wane yeesal bi muy produit bu ñaari matrix yu rang bu woyof, B yoon A, fu A ak B am dimension bu ndaw ci biir r (rang bi, lu bari 8 wala 16). Bu ñuy tàggat, A ak B kese lañuy jàng; W dafay des gelé. Ci inference bi dañuy yokk génnug adaptatër bi ci génnug couche bi njëkk, ba noppi facteur de scaling (alpha) mooy saytu njeextalam. Ndax B yoon A mën nañu ko boolewaat ci W ginaaw biñu tàggatee, LoRA du yokk benn latency buñu boole ci model biñ dugal.
njeextalu pexe
Gaawaay ak yaatuwaay
Liggéeyukaay yi ci làkk yi mën nañu gëna gaaw te duñu yàq deggoo gi.
Dugg ak yegg
Dafay yaatal jëfandikoo gi ci làkk yi ak ci anam yi ñuy jokkoo.
dogal yu gëna leer
Ekip yi mën nañu gëna yàgg ci àtte ci jamono ji otomatisation di liggéey ci baamtu.
Ëlëgu LoRA ak tuning bu baax
Parametre-efficace tuning nekk na anam wi mbootaay yi di jëfandikoo ngir méngale model yu ubbeeku yi, te loolu dina gëna xóot. Xaarandil ecosystem adaptatër fu téemeeri LoRAs ñuy wecci wala sax ñu boole ci kaw benn base buñ bokk, boole ci sistemu routing yuy tànn adaptatër bu dëggu bi ci laaj bu nekk. QLoRA-style quantized tuning wéy di push dayo model yi hobbyist yi mëna personalise seen kër. Gëstu dafay wéy ci tàmbali bu gëna baax, tànneef rang dynamique, ak liggéey adaptatër yu bari ci benn yoon ci anam wu jaar yoon - def benn modelu frontier base fondation ngir bari ay variants yu yomb te amul àpp.
Doxal ci àdduna dëgg
Defar ab model bu ubbeeku bu melni Llama ci notu klinik yu hopitaal bi di jëfandikoo benn GPU ci barabu benn cluster bu mat
Yobbu benn adaptatëru LoRA bu 10 MB buy soppi chatbot bu mag ci assistant këyitu yoon te du séddalewaat model bi yépp
Jëfandikoo QLoRA ngir defar model bu rëy ci kaw kàrtu grafik konsomatër ci xayma diisaayu base bu liw ba 4-bit
Dalal benn modelu base ak weccoo ay adaptatëri LoRA yu wuute ci kiliyaan bu nekk ngir jàppale assistant yu bari yu yam ci njëg yu yomb
Risk yi ak balustrade yi
Lépp lu jaarul yoon mën na dugg ci rapoor yi, jàppale ci liggéey bi, wala ci njariñu gëstu bi.
Sensibilite bu gaaw mën na jur njariñ yu wuute ci laajte yu noonu mel.
Done yu am solo mën nañu feeñ sudee seytu jëfandikoo gi néew doole.
Roadmap ngir samp gi
Mandargal formaa génne gi, melokaan bi, ak standard kalite yi laata ngay dugal ko.
Tontu yu am solo ak balluwaay yu wóor saa yu dëggu bi di am solo.
Fexeel am barabu xool nit ñi ngir am njariñ yu am solo.
Toppal anami gacce yi ak di faral di tàggataat ay laaj wala def-liggéey.
Weyal di banneexu
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Gis bi ci topp
Tegtal yi tuning
Laaj yi ñuy faral di laaj
What is LoRA and Parameter-Efficient Tuning?
LoRA daf lay may nga mëna tànn sa bopp model bu mag buñu tàggat bu njëkk, di tàggat benn set bu ndaw ci poid yu bees, du ay miliyaar yépp. Mooy pexe biy tax fine-tuning yomb ci benn GPU ba noppi may benn modelu base mu def ay fukki-fukki liggéey yu yam.
Lan mooy xalaat bu mag bi ci ginaaw defar LoRA?
LoRA dafay tëye poid yiñ njëkka tàggat, ba noppi jàng matris yu ndaw yu ndaw yuñ yokk ci seen wet, di tàggat benn wàll bu ndaw ci parametre yi.
Lan moo waral LoRA wàññi bu baax njëgu fine-tuning bi?
Ndax matrice adaptateur yu ndaw yi kese lañu mëna tàggat, memory ak dencukaay yi ñuy laaj dañuy wàññeeku bu baax suñu ko méngale ak yeesal bépp miliyaar ci poid yi.
Lan mooy rang 'r' ci biir adaptatëru LoRA?
Rank r mooy dimension bi ci biir bu ndaw bi matris A ak B bokk; r bu gëna kawe dafay jox adaptatër bi kàttan gu gëna bari waaye parametre yu gëna bari ngir tàggat.
naka la QLoRA di yokk ci anamu LoRA?
QLoRA dafay denc diisaayu base bu gelé ci 4-bit ci njub, dagg memory bi bu baax suko defee ñu mëna defar model yu rëy lool ci benn GPU konsomatër.
Lu tax adaptatëru LoRA buñ boole du yokk benn latency ci inference?
Adaptatëru yeesal B yoon A amna jëmm ji benn ak diisaay bi njëkk, suko defee ñu mën ko plie ci W, bàyyi model biñ dugal benn dayo ak gaawaay.