Overview
Decoding yekutarisa inomhanyisa chizvarwa cheLLM pasina imwe yekuwedzera dhizaini modhi nekufungidzira uye nekuona akawanda emangwana tokens anoenderana uchishandisa n-giramu iyo modhi inogadzira panhunzi. Inotyora iyo yakasimba-chiratidzo-pa-a-nguva bhodhoro.
Lookahead Decoding chikamu chemutauro-AI stack inoshandiswa kuverenga, kugadzira, kuronga, uye kushandura zvinyorwa uye kutaura pamwero.
Deep Dive
Yakaunzwa nevatsvagiri paUC Berkeley muna 2023, kutarisisa decoding kunomhanyisa kufungidzira uchishandisa chete iyo yakanangwa modhi pachayo - hapana yechipiri modhi uye hapana yekubatsira kudzidziswa. Inogadzirisazve chizvarwa sekugadzirisa hurongwa hweasina mutsara equations uchishandisa nzira yakafanana inonzi Jacobi iteration. Panhanho imwe neimwe modhi inomhanyisa matavi maviri panguva imwe chete: bazi re'lookahead' rinonatsa fungidziro yezvinzvimbo zvakati wandei zveramangwana zvakafanana, uye bazi re'verification' rinotarisa anovimbisa akawanda-token n-giramu akaunganidzwa mudziva. Verified n-grams iyo modhi inobvumirana nayo inozvipira zvese kamwechete, saka akawanda tokeni anogona kugamuchirwa padanho. Nekuti inotsamira chete pane iyo modhi yekumberi yekupfuura, kuburitsa kunoramba chaiko izvo zvekukara kana sampled decoding yaizoburitsa, uku ichidzikisa huwandu hweakatevedzana matanho anodiwa.
Technical Insight
Iyo yakakosha pfungwa inokwereta Jacobi / Gauss-Seidel yakagadziriswa-point iteration: autoregressive decoding inobatwa sekutsvaga yakagadziriswa poindi yemamepu emuenzaniso pamusoro pehwindo remangwana tokens. Kufembera kwakafanana kunonatswa zvakare, uye n-giramu dziva rinochengeta zvinonzwisisika tokeni kutevedzana kunoonekwa panguva idzi iterations. Verification inosimbisa kana chero cached n-gram inoenderana neiyo modhi yechokwadi inobuda, ichirega akati wandei tokeni mberi mukupfuura kumwe pasina yakaparadzana dhizaini network.
Mastering Lookahead Decoding
Decoding yekutarisa inomhanyisa chizvarwa cheLLM pasina imwe yekuwedzera dhizaini modhi nekufungidzira uye nekuona akawanda emangwana tokens anoenderana uchishandisa n-giramu iyo modhi inogadzira panhunzi. Inotyora iyo yakasimba-chiratidzo-pa-a-nguva bhodhoro. Lookahead Decoding chikamu chemutauro-AI stack inoshandiswa kuverenga, kugadzira, kuronga, uye kushandura zvinyorwa uye kutaura pamwero. Kuti uvake kunzwisisa kwakadzama, bata Lookahead Decoding semuenzaniso wekushandisa, kwete chinhu chimwe chete: tsanangura zvinodikanwa, jekesa fungidziro, uye patsanura izvo zvinogona kuitwa nehurongwa hwakavimbika kubva kune zvichiri kuda kutonga kwenyanzvi.
Mukuita, zvikwata zvakasimba zvinoshandisa Lookahead Decoding dhizaini zvinokurudzira, kudzoreredza, uye kuongorora zvishwe seimwe yakabatanidzwa yekutaurirana system. Ivo vanonyora zvakajeka maitiro ebudiriro, bvunzo vachipokana ne data rechokwadi uye mafambiro ebasa, uye iterate zvichibva pane zvakacherechedzwa maitiro ekutadza kwete kuhwina-nguva imwe chete yebhenji. Apa ndipo apo kunzwisisa kwe theoretical kunoshanduka kuve kugona kwakasimba pane chigadzirwa, mutemo, uye mashandiro.
Mutauro workflows inogona kufamba nekukurumidza pasina kupira kuenderana. Panguva imwecheteyo, chokwadi cheHallucified chinogona kupinda chinyararire mishumo, kuyerera kwetsigiro, kana kutsvagisa zvinobuda. Nzira yakatsiga ndeyekubatanidza kukurumidza kuyedza nekutonga: mhanyisa vatyairi vendege, tora humbowo, buritsa matanda esarudzo, uye urambe uchivandudza chengetedzo semaitiro emuenzaniso, zvinotarisirwa nemushandisi, uye zvinodikanwa zvekutonga.
Strategic Impact
Mutauro workflows inogona kufamba nekukurumidza pasina kupira kuenderana.
Mutauro workflows inogona kufamba nekukurumidza pasina kupira kuenderana. Mukutumirwa kwemhando yepamusoro, izvi zvinoshandurirwa kuita mitemo inoyerwa yekushanda, miganhu yevaridzi, uye tsika dzekudzokorora dzinodzokororwa kuitira kuti zvikwata zvikwire kuvimba pane kukwidza kusajeka.
Inopamhidzira kupinda mumitauro yese nemataera ekutaurirana.
Inopamhidzira kupinda mumitauro yese nemataera ekutaurirana. Mukutumirwa kwemhando yepamusoro, izvi zvinoshandurirwa kuita mitemo inoyerwa yekushanda, miganhu yevaridzi, uye tsika dzekudzokorora dzinodzokororwa kuitira kuti zvikwata zvikwire kuvimba pane kukwidza kusajeka.
Zvikwata zvinogona kupedza nguva yakawanda pakutonga uku otomatiki ichibata kudzokorora.
Zvikwata zvinogona kupedza nguva yakawanda pakutonga uku otomatiki ichibata kudzokorora. Mukutumirwa kwemhando yepamusoro, izvi zvinoshandurirwa kuita mitemo inoyerwa yekushanda, miganhu yevaridzi, uye tsika dzekudzokorora dzinodzokororwa kuitira kuti zvikwata zvikwire kuvimba pane kukwidza kusajeka.
Real-World Implementation
Kuzvigashira wega modhi yakavhurika senge Llama kana Vicuna nekukurumidza latency pasina kudzidziswa kana kurodha chero yekubatsira dhizaini modhi.
Kudzikisa huwandu hweakatevedzana ekudhirodha matanho ekureba-fomu chizvarwa senge essays kana kodhi, uko maflops akawanda asi nhanho ndiwo bhodhoro.
Kubatanidzwa mumaraibhurari ekufungidzira (iyo yekutanga kuburitswa yakatumira FlashAttention-inoenderana nekuita) kuti iwedzere kubuditsa paGPU iripo.
Kumhanyisa batched kushanda pane isina kushandiswa Hardware nekutengesa yakawedzera parallel komputa kune mashoma anoteedzana modhi anopfuura.
Maitiro Ekuita
Lookahead Decoding mukuita
Kuzvigashira wega modhi yakavhurika senge Llama kana Vicuna nekukurumidza latency pasina kudzidziswa kana kurodha chero yekubatsira dhizaini modhi.
Kuzvigashira wega modhi yakavhurika senge Llama kana Vicuna inokurumidza latency pasina kudzidziswa kana kurodha chero yebetsero dhizaini modhi Matimu anowanzo kuwana mhedzisiro iri nani kana achinge atsanangura emhando yepamusoro kumberi, chengetedza nzira yekukwira kwevanhu yemakesi ekumucheto, uye kuteedzera zvese zvakawanikwa zvechigadzirwa uye kukanganisa mutengo nekufamba kwenguva.
Lookahead Decoding mukuita
Kudzikisa huwandu hweakatevedzana ekudhirodha matanho ekureba-fomu chizvarwa senge essays kana kodhi, uko maflops akawanda asi nhanho ndiwo bhodhoro.
Kudzikisa huwandu hweakatevedzana ekugadzirisa matanho ekureba-fomu chizvarwa senge essays kana kodhi, uko maflops akawanda asi nhanho ndiwo mabhodhoro Matimu anowanzo kuwana mibairo iri nani kana achinge atsanangura emhando yepamusoro kumberi, chengetedza nzira yekukwira kwevanhu yemakesi emupendero, uye kuteedzera zvese zvakawanikwa zvechigadzirwa uye mutengo wekukanganisa nekufamba kwenguva.
Lookahead Decoding mukuita
Kubatanidzwa mumaraibhurari ekufungidzira (iyo yekutanga kuburitswa yakatumira FlashAttention-inoenderana nekuita) kuti iwedzere kubuditsa paGPU iripo.
Kubatanidzwa mumaraibhurari ekufungidzira (iyo yekutanga kuburitswa yakatumira FlashAttention-inoenderana kuitiswa) kuti iwedzere kuenderera kune iripo maGPUs Matimu anowanzo kuwana mibairo iri nani kana vachitsanangudza mhando yepamusoro kumberi, chengetedza nzira yekukwira kwevanhu yemakesi emupendero, uye kuteedzera zvese zvakawanikwa zvechigadzirwa uye kukanganisa mutengo nekufamba kwenguva.
Lookahead Decoding mukuita
Kumhanyisa batched kushanda pane isina kushandiswa Hardware nekutengesa yakawedzera parallel komputa kune mashoma anoteedzana modhi anopfuura.
Kumhanyisa batched kushumira pane isinga shandiswe Hardware nekutengesa yakawedzera parallel komputa kune mashoma anoteedzana modhi inopfuura Matimu anowanzo kuwana mhedzisiro iri nani kana achinge atsanangura emhando yepamusoro kumberi, chengetedza nzira yekukwira kwevanhu yemakesi emupendero, uye kuteedzera zvese zvakawanikwa zvechigadzirwa uye mutengo wekukanganisa nekufamba kwenguva.
Njodzi & Guardrails
Chokwadi chehuroyi chinogona kupinda chinyararire mishumo, kuyerera kwetsigiro, kana tsvakiridzo.
Kunzwa nekukasira kunogona kugadzira mhedzisiro isingaenderane pane zvikumbiro zvakafanana.
Sensitive text data inogona kuburitswa kana zvidhiraivho zvisina kusimba.
Implementation Roadmap
Tsanangura chimiro chekubuda, toni, uye mhando zviyero usati waburitsa.
Tsanangura chimiro chekubuda, toni, uye mhando zviyero usati waburitsa. Bata nhanho yega yega segedhi rehumbowo: kana maitiro asina kusangana, imbomira kuburitsa, vhara gaka, uye wobva wawedzera kushandiswa.
Mhinduro dzepasi neakavimbika masosi pese pazvine basa.
Mhinduro dzepasi neakavimbika masosi pese pazvine basa. Bata nhanho yega yega segedhi rehumbowo: kana maitiro asina kusangana, imbomira kuburitsa, vhara gaka, uye wobva wawedzera kushandiswa.
Chengetedza ongororo yekuongorora yemunhu kune yakakwira-stake zvinobuda.
Chengetedza ongororo yekuongorora yemunhu kune yakakwira-stake zvinobuda. Bata nhanho yega yega segedhi rehumbowo: kana maitiro asina kusangana, imbomira kuburitsa, vhara gaka, uye wobva wawedzera kushandiswa.
Tevera maitiro ekutadza uye dzidzisazve kukurudzira kana mafambiro ebasa nguva nenguva.
Tevera maitiro ekutadza uye dzidzisazve kukurudzira kana mafambiro ebasa nguva nenguva. Bata nhanho yega yega segedhi rehumbowo: kana maitiro asina kusangana, imbomira kuburitsa, vhara gaka, uye wobva wawedzera kushandiswa.