Uhlolojikelele
Izindlela zokugxeka umlingisi zihlanganisa abafundi ababili: 'umlingisi' okhetha izenzo kanye 'nomgxeki' owehlulela ukuthi lezo zenzo bezizinhle kangakanani. Lokhu kubhanqa kwenza ukufunda okuqiniswayo kuzinze futhi kusebenze kahle isampula kunokusebenzisa noma iyiphi indlela yodwa.
I-Actor-Critic Methods iyibhulokhi yokwakha yobuchwepheshe ethinta ikhwalithi yemodeli, izindleko zengqalasizinda, ukubambezeleka, nokuthembeka esikalini.
I-Deep Dive
Ukufunda okuqiniswayo kunezitayela ezimbili ezibanzi: izindlela ezisuselwe kwinqubomgomo ezifunda ngokuqondile ukuthi yini okufanele yenziwe, nezindlela ezisuselwe enanini ezifunda ukuthi izimo zinhle kangakanani. U-Actor-Critic uyabahlanganisa. Umlingisi uyinqubomgomo eveza amathuba esenzo; umgxeki uwumsebenzi wenani olinganisela ukubuyiselwa okulindelekile. Ngemva kwesinyathelo ngasinye, umgxeki ubala iphutha lomehluko wesikhashana elibonisa ukuthi umphumela ubungcono noma mubi kunalokho obekulindelekile. Umlingisi usebenzisa leli phutha ukuze aqhubekisele phambili inqubomgomo yakhe ezenzweni ezehlula okulindelekile futhi ziqhelelane nalezo ezingasebenzi kahle. Ngenxa yokuthi umgxeki unikeza isisekelo esinokwehluka okuphansi, izilinganiso ze-gradient yomlingisi zinomsindo omncane kakhulu kunezindlela ezimsulwa zenqubomgomo-gradient ezifana ne-REINFORCE, kuyilapho sisaphatha izikhala zesenzo esiqhubekayo lezo izindlela zenani kuphela ezifana ne-Q-Learning ezithola zingajwayelekile.
I-Technical Insight
Umlingisi ubuyekeza amapharamitha enqubomgomo yakhe ekuqondeni kwegradient yenqubomgomo, kukalwa ngenzuzo A(s,a) = Q(s,a) - V(s), umgxeki ayilinganiselayo (ngokuvamile ngephutha le-TD r + gamma*V(s') - V(s)). Inzuzo ikala ukuthi isenzo singcono kangakanani kunesilinganiso sikahulumeni, ngakho izinzuzo ezinhle ziqinisa izenzo futhi ezimbi ziyazicindezela. Umgxeki uqeqeshwe ngokwehlukana ukuze anciphise iphutha lakhe le-TD.
Izindlela Zokugxeka Umlingisi Omkhulu
Izindlela zokugxeka umlingisi zihlanganisa abafundi ababili: 'umlingisi' okhetha izenzo kanye 'nomgxeki' owehlulela ukuthi lezo zenzo bezizinhle kangakanani. Lokhu kubhanqa kwenza ukufunda okuqiniswayo kuzinze futhi kusebenze kahle isampula kunokusebenzisa noma iyiphi indlela yodwa. I-Actor-Critic Methods iyibhulokhi yokwakha yobuchwepheshe ethinta ikhwalithi yemodeli, izindleko zengqalasizinda, ukubambezeleka, nokuthembeka esikalini. Ukuze wakhe ukuqonda okujulile, phatha Izindlela Zokugxeka Umlingisi njengemodeli yokusebenza, hhayi isici esisodwa: chaza imiphumela efiselekayo, ucacise ukucabanga, futhi uhlukanise lokho isistimu engakwenza ngokwethembeka kulokho okusadinga ukwahlulela kochwepheshe.
Empeleni, amaqembu aqinile asebenzisa Izindlela Zokugxeka Umlingisi athuthukisa ukwakheka, idatha, nokukhetha kwengqalasizinda ngokumelene nokuthembeka nezindleko. Babhala imibandela yempumelelo ecacile, ukuhlola okuqhathaniswa nedatha engokoqobo nokugeleza komsebenzi, futhi baphindaphinde ngokusekelwe kumaphethini okuhluleka aqashiwe esikhundleni sokuwina kwebhentshimakhi yesikhathi esisodwa. Yilapho ukuqonda kwethiyori kuguquka kube amandla ahlala njalo kuwo wonke umkhiqizo, inqubomgomo, kanye nokusebenza.
Izinqumo zezakhiwo ziqhuba ukusebenza kanye nezindleko zokusebenza iminyaka. Ngesikhathi esifanayo, Ukuthuthukisa ibhentshimakhi eyodwa kungafihla ubuthakathaka obubanzi besistimu. Indlela eqine kakhulu iwukuhlanganisa isivinini sokuhlola nesiyalo sokuphatha: qhuba abashayeli bezindiza, bamba ubufakazi, ushicilele amalogi ezinqumo, futhi ubuyekeze izivikelo ngokuqhubekayo njengoba imodeli yokuziphatha, okulindelwe ngabasebenzisi, kanye nezimfuneko zokulawula zishintsha.
I-Strategic Impact
Izinqumo zezakhiwo ziqhuba ukusebenza kanye nezindleko zokusebenza iminyaka.
Izinqumo zezakhiwo ziqhuba ukusebenza kanye nezindleko zokusebenza iminyaka. Ekusetshenzisweni kwekhwalithi ephezulu, lokhu kuhunyushwa emithethweni yokusebenza elinganisekayo, imingcele yobunikazi, nemikhuba yokubuyekeza ephindelelayo ukuze amaqembu akwazi ukukala ukuzethemba esikhundleni sokukala ukungaqondakali.
Imfundo yobuchwepheshe isiza amaqembu ukuthi akhethe isitaki esifanele, hhayi nje esisha.
Imfundo yobuchwepheshe isiza amaqembu ukuthi akhethe isitaki esifanele, hhayi nje esisha. Ekusetshenzisweni kwekhwalithi ephezulu, lokhu kuhunyushwa emithethweni yokusebenza elinganisekayo, imingcele yobunikazi, nemikhuba yokubuyekeza ephindelelayo ukuze amaqembu akwazi ukukala ukuzethemba esikhundleni sokukala ukungaqondakali.
Izinketho ezingcono zobunjiniyela zinciphisa izehlakalo ezinokwethenjelwa ekukhiqizeni.
Izinketho ezingcono zobunjiniyela zinciphisa izehlakalo ezinokwethenjelwa ekukhiqizeni. Ekusetshenzisweni kwekhwalithi ephezulu, lokhu kuhunyushwa emithethweni yokusebenza elinganisekayo, imingcele yobunikazi, nemikhuba yokubuyekeza ephindelelayo ukuze amaqembu akwazi ukukala ukuzethemba esikhundleni sokukala ukungaqondakali.
Ukuqaliswa Komhlaba Wangempela
Ukuqeqesha izingalo zerobhothi nezilawuli zokuhamba ezihambayo ngamatorque ahlangene aqhubekayo (isb., kusetshenziswa i-PPO noma i-SAC)
Ukuqondanisa amamodeli olimi amakhulu nge-RLHF, lapho i-PPO (indlela yokugxeka umlingisi) ilungiselela izimpendulo ngokumelene nemodeli yomvuzo
Ukuba ingcweti kwemidlalo yamasu ayinkimbinkimbi njenge-StarCraft II ne-Dota 2
Ukupholisa kwesikhungo sedatha nezilawuli zokuphatha amandla ezifunda ukulungisa okushelelayo okuqhubekayo
Amaphethini Okusebenzisa
Izindlela Zokugxeka Umlingisi ekusebenzeni
Ukuqeqesha izingalo zamarobhothi kanye nezilawuli ezihambayo ngamatorque ahlangene aqhubekayo (isb., kusetshenziswa i-PPO noma i-SAC).
Ukuqeqesha izingalo zamarobhothi nezilawuli zokuhamba ngamathokhi ahlangene aqhubekayo (isb., ukusebenzisa i-PPO noma i-SAC) Amathimba ngokuvamile athola imiphumela engcono uma echaza imingcele yekhwalithi ngaphambili, egcina indlela yokukhuphuka komuntu yamakesi asemaphethelweni, futhi alandelela kokubili izinzuzo zokukhiqiza nezindleko zamaphutha ngokuhamba kwesikhathi.
Izindlela Zokugxeka Umlingisi ekusebenzeni
Ukuqondanisa amamodeli olimi amakhulu nge-RLHF, lapho i-PPO (indlela yokugxeka umlingisi) ilungiselela izimpendulo ngokumelene nemodeli yomvuzo.
Ukuqondanisa amamodeli olimi amakhulu nge-RLHF, lapho i-PPO (indlela yokugxeka umlingisi) ilungiselela izimpendulo ngokumelene nemodeli yomvuzo Amaqembu ngokuvamile athola imiphumela engcono uma echaza izinga eliphezulu ngaphambili, egcina indlela yokukhuphuka komuntu yamakesi asemaphethelweni, futhi alandelele kokubili izinzuzo zokukhiqiza nezindleko zamaphutha ngokuhamba kwesikhathi.
Izindlela Zokugxeka Umlingisi ekusebenzeni
Ukuba ingcweti kwemidlalo yamasu ayinkimbinkimbi njenge-StarCraft II ne-Dota 2.
Amageyimu amaqhinga ayinkimbinkimbi afana ne-StarCraft II kanye ne-Dota 2 Teams ngokuvamile athola imiphumela engcono uma echaza izinga eliphezulu ngaphambili, egcina indlela yokukhuphuka yabantu yamakesi asemaphethelweni, futhi alandelele kokubili izinzuzo zokukhiqiza nezindleko zamaphutha ngokuhamba kwesikhathi.
Izindlela Zokugxeka Umlingisi ekusebenzeni
Ukupholisa kwesikhungo sedatha nezilawuli zokuphatha amandla ezifunda ukulungisa okushelelayo okuqhubekayo.
Ukupholisa kwesikhungo sedatha nezilawuli zokuphatha amandla ezifunda ukulungisa okuqhubekayo okushelelayo Amathimba ngokuvamile athola imiphumela engcono uma echaza izilinganiso zekhwalithi ngaphambili, egcina indlela yokukhuphuka yabantu yamakesi asemaphethelweni, futhi elandelela kokubili izinzuzo zokukhiqiza nezindleko zamaphutha ngokuhamba kwesikhathi.
Izingozi & Guardrails
Ukuthuthukisa ibhentshimakhi eyodwa kungafihla ubuthakathaka obubanzi besistimu.
Izindleko zengqalasizinda nezokulungisa zivame ukubukelwa phansi.
Izikhala zokuphepha nokubonakala zingakhula njengoba izinhlelo ziba nzima kakhulu.
Ukuqalisa Umhlahlandlela
Chaza ukubambezeleka, ikhwalithi, nezindleko ezihlosiwe ngaphambi kokuqaliswa.
Chaza ukubambezeleka, ikhwalithi, nezindleko ezihlosiwe ngaphambi kokuqaliswa. Phatha isinyathelo ngasinye njengesango lobufakazi: uma imibandela ingafinyelelwa, misa ukukhishwa, vala igebe, bese unweba ukusetshenziswa.
Ibhentshimakhi ngaphansi komthwalo wangempela nezimo zedatha.
Ibhentshimakhi ngaphansi komthwalo wangempela nezimo zedatha. Phatha isinyathelo ngasinye njengesango lobufakazi: uma imibandela ingafinyelelwa, misa ukukhishwa, vala igebe, bese unweba ukusetshenziswa.
Ukuqapha amathuluzi amaphutha, ukukhukhuleka, nomthelela wabasebenzisi.
Ukuqapha amathuluzi amaphutha, ukukhukhuleka, nomthelela wabasebenzisi. Phatha isinyathelo ngasinye njengesango lobufakazi: uma imibandela ingafinyelelwa, misa ukukhishwa, vala igebe, bese unweba ukusetshenziswa.
Lungiselela izindlela zokuhlehlisa nezigameko ngaphambi kokukala.
Lungiselela izindlela zokuhlehlisa nezigameko ngaphambi kokukala. Phatha isinyathelo ngasinye njengesango lobufakazi: uma imibandela ingafinyelelwa, misa ukukhishwa, vala igebe, bese unweba ukusetshenziswa.