QLoRA ak 4-bit
QLoRA xarala la bu lay may nga defar modelu làkk bu mag ci benn GPU konsomatër ci denc model bu liw ci 4 bits ci poid bu nekk.
Résumé
It made customizing 65B-parameter models possible on hardware that previously could only handle models a fraction of that size.
Plongeur bu xóot
Daanaka, defar model bu rëy mooy nga sarse bepp poids ci 16-bit ci njub, nga yeesal leen ñépp, te loolu dafay laaj memory bu bari. QLoRA dafa boole ñaari xalaat. Bi njëkk mooy dafay gelé model biñ njëkka tàggat ba noppi wàññi ko ba 4 bit, dagg mémoire bi lu tollu ci ñeenti yoon. Ñaareel ba mooy jëfandikoo LoRA: ludul yeesal matris yu mag yi, dafay dugal matris adaptatër yu ndaw yuñ mëna tàggat ci seen wet, suko defee ay milioŋ yu néew ci parametre yi kese lañuy yeesal. Base 4-bit bi dafay des ci barab bi gradient yi di jaar ci adaptatër yu ndaw yi kese. Dettmers ak ay naataangoom ñoo ko dugal ci 2023, QLoRA dafa wane ni defar model 65B ci benn GPU 48GB mën na méngoo ak kalite defar 16-bit.
Gis-gis xarala
QLoRA dugal na ñatti pexe. NF4 (4-bit NormalFloat) xeetu done la buñ jagleel séddaleb courbe cloche ci poid neuronal yi, di joxe njubte bu gëna baax int4 bu leer. Ñaari kantite dafay kompresse constante kantite yi ci seen bopp, ba noppi sakkanal memory bu gëna bari. Optimiser yu am xët yi dañuy jëfandikoo mémoire buñ boole muy GPU-CPU ngir xëcci ay spike ci diiru sekans yu gudd, di tere mémoire bi génne crash. Ci diir bi ñuy jaar ci kanam ak ci ginaaw, 4-bit poid yi dañu leen di quantiser ba 16-bit just-in-time ngir matrix bi di yokk, ba noppi sànni leen.
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 QLoRA ak 4-Bit
4-bit fine-tuning nekk na jëf buñ miin, te leegi gëstu yi dañuy push ci gëna néew njub, boole ci 2-bit ak 1-bit (ternaire) représentation. Xeetu kantite yu bees yu melni AWQ, GPTQ, ak HQQ dañuy gëna setal njub, ci noonu la pexe yu melni QA-LoRA di fexe ba model bi gëna kantite doonte dañu boole adaptatër yi. Lu model yu ubbeeku yi di màgg, xaarandi jumtukaay yuy may hobbyist yi ñu defar model 70B-plus ci benn GPU gaming ngir nekk lu ñuy faral di def, di demokratise personalisation.
Doxal ci àdduna dëgg
Benn startup dafa defar benn model Llama 70B ci benn GPU bu 48GB ngir tabax assistant buy jàppale kiliyaan yi ci baat màrkam boppam te du luwe benn serwër.
Gëstukat bu am benn konsomatër RTX 4090 dafay méngale xeetu ubbeeku ak benn niche medikaal laaj-tontu done ci guddi gi.
Developpeur bi dafay defar ay fukki-fukki adaptatëri LoRA yu ndaw yuñ mëna weccoo ngir ay liggéey yu wuute, ñoom ñépp bokk benn modelu base bu 4-bit buñ sarse ci memory bi.
Ab hobbyist dafay defar ab model ci seen chat log ngir toppandoo benn stil bind ci ay aparey yu Colab.
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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What is QLoRA and 4-Bit Fine-Tuning?
QLoRA xarala la bu lay may nga defar modelu làkk bu mag ci benn GPU konsomatër ci denc model bu liw ci 4 bits ci poid bu nekk. Dafa may ñu mëna tànn seeni model 65B-parametre ci hardware bi njëkkoon mënoon jëfandikoo model yu tuuti ci dayo boobu.
Lan mooy xalaatu sakkanal mémoire bi ci ginaaw wàllu '4-bit' ci QLoRA?
QLoRA dafay denc poid yiñ njëkka tàggat ci 4 bit ci valeur bu nekk, dagg mémoire bi lu tollu ci ñeenti yoon sunu ko méngale ak 16-bit.
Ci diiru ajustement QLoRA, ban parametre lañuy yeesal ci wàccinu gradient bi?
Modèle de base bi dafa gelé; matris adaptatëru rang bu woyof biñ injekte rek mooy am coppite ci gradient bi, muy benn wàll bu ndaw ci parametre yi.
Luy NF4 ci wàllu QLoRA?
NF4 (NormalFloat 4-bit) xeetu done la buñ defaree ci seddaleb courbe cloche bu diisaayu reso neuronal ngir gëna dëggu int4 bu leer.
Ban jafe-jafe la 'optimiser paged' yi ci QLoRA di saafara?
Optimiser yu am xët yi dañuy jëfandikoo mémoire buñ boole muy GPU-CPU ngir xëcci mémoire yi, di tere mémoire bi génn ci ay crash ci diiru tàggat yaram ci ay dugal yu gudd.
Kañ lañuy soppi poid 4-bit yi ñu delloo ci gëna dëggu ci diiru tàggat yaram?
4-bit poid yi dañu leen di dequantiser ba 16-bit ci njub ci matrix bu nekk, ginaaw ga ñu sànni kopi bi gëna njub ngir denc memory bi.