Uhlolojikelele
I-Gradient checkpointing (ebuye ibizwe ngokuthi i-activation checkpointing) iqhinga lokonga inkumbulo elilahla iningi lezinto ezisetshenziswayo eziphakathi ngesikhathi sokudlula okuya phambili futhi likubale futhi empukaneni ngesikhathi sokusakazwa emuva. Ikuvumela ukuthi uqeqeshe amanethiwekhi ajulile, amakhulu ngokuhweba ikhompuyutha eyengeziwe ukuze usebenzise inkumbulo ephansi kakhulu.
I-Gradient Checkpointing iyibhulokhi yokwakha yobuchwepheshe ethinta ikhwalithi yemodeli, izindleko zengqalasizinda, ukubambezeleka, nokuthembeka esikalini.
I-Deep Dive
Ukuqeqesha amanethiwekhi e-neural ngokuvamile agcina ukwenza kusebenze kwesendlalelo ngasinye ngesikhathi sokudlula phambili ngoba ukusakazwa kwe-backpropagation kudinga ukuthi abale ama-gradient. Kumamodeli ajulile lokhu kuvula kubusa inkumbulo. Ukuhlola i-Gradient esikhundleni salokho kulondoloza ukwenza kusebenze kuphela kusethi eyingcosana yezendlalelo 'zendawo yokuhlola' futhi kulahle konke okunye. Uma i-backprop ifika endaweni okuyehlisiwe ukusetshenziswa kwayo, iphinda iqalise ukubala okuya phambili kuleyo segimenti ukuze ikhiqize kabusha lokho ekudingayo, bese iqhubeka. Ngezindawo zokuhlola ezibekwe cishe zonke izendlalelo zesikwele-impande-ka-N, inkumbulo yokwenza kusebenze iyehla isuka ku-oda N ukuze i-ode isikwele-mpande-ka-N, kuyilapho ikhompuyutha ikhuphuka cishe ngokudlula okukodwa kokuya phambili (cishe ngo-20-30% kancane). Lokhu kwenza kube nokwenzeka ukulingana osayizi benqwaba abakhulu noma ama-transformer ajulile ku-GPU efanayo.
I-Technical Insight
Lolu hlelo lusebenzisa i-tradeoff yesikhathi nenkumbulo. Ukugcina konke okwenziwayo kuyashesha kodwa kulambile; ukuphinda uwasebenzise ishibhile kuma-accelerator esimanje ngokuhlobene nezindleko zokuphelelwa inkumbulo. Izinhlaka ezifana ne-PyTorch (torch.utils.checkpoint) zigoqa imojuli ukuze okukhiphayo okuya phambili kugcinwe kodwa okungaphakathi kwayo kuqalwe kabusha ngesikhathi sokubuyela emuva. Ukukhetha ukubekwa kwendawo yokuhlola: ukushiyana kwezikhala cishe kwamasegimenti e-sqrt(N) kunciphisa inkumbulo ephelele kuyilapho kwengeza kuphela iphasi eyodwa eyengeziwe eya phambili yokubala ikhompuyutha iyonke.
I-Mastering Gradient Checkpointing
I-Gradient checkpointing (ebuye ibizwe ngokuthi i-activation checkpointing) iqhinga lokonga inkumbulo elilahla iningi lezinto ezisetshenziswayo eziphakathi ngesikhathi sokudlula okuya phambili futhi likubale futhi empukaneni ngesikhathi sokusakazwa emuva. Ikuvumela ukuthi uqeqeshe amanethiwekhi ajulile, amakhulu ngokuhweba ikhompuyutha eyengeziwe ukuze usebenzise inkumbulo ephansi kakhulu. I-Gradient Checkpointing iyibhulokhi yokwakha yobuchwepheshe ethinta ikhwalithi yemodeli, izindleko zengqalasizinda, ukubambezeleka, nokuthembeka esikalini. Ukuze wakhe ukuqonda okujulile, phatha i-Gradient Checkpointing njengemodeli yokusebenza, hhayi isici esisodwa: chaza imiphumela efiselekayo, ucacise ukucabanga, futhi uhlukanise lokho isistimu engakwenza ngokwethembeka kulokho okusadinga ukwahlulela kochwepheshe.
Empeleni, amaqembu aqinile asebenzisa i-Gradient Checkpointing 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 i-transformer ejulile enosayizi wenqwaba enkulu ku-GPU eyodwa ngokulahla nokubala kabusha ukwenziwa kusebenze kwesendlalelo.
Amamodeli ombono wokushuna kahle ezithombeni ezinokulungiswa okuphezulu lapho amamephu okuqalisa engase agcwale inkumbulo ye-GPU.
I-Hugging Face Transformers evumela i-gradient_checkpointing=Iqiniso ukuze ilingane amamodeli wepharamitha eyizigidigidi ngesikhathi sokucushwa kahle.
Ukuhlanganisa indawo yokuhlola ne-FSDP ukuze yomibili imingcele kanye nokwenza kusebenze kugcinwe kuncane, okuvumela ukuqeqeshwa kwamamodeli ezilimi amakhulu kakhulu.
Amaphethini Okusebenzisa
I-Gradient Checkpointing isebenza
Ukuqeqesha i-transformer ejulile enosayizi wenqwaba enkulu ku-GPU eyodwa ngokulahla nokubala kabusha ukwenziwa kusebenze kwesendlalelo.
Ukuqeqesha i-transformer ejulile enosayizi weqeqebana elikhulu ku-GPU eyodwa ngokulahla nokubala kabusha ukwenza kusebenze isendlalelo Amathimba ngokuvamile athola imiphumela engcono lapho echaza izinga eliphezulu ngaphambili, egcina indlela yokukhuphuka komuntu yamakesi asemaphethelweni, futhi alandelele kokubili izinzuzo zokukhiqiza nezindleko zamaphutha ngokuhamba kwesikhathi.
I-Gradient Checkpointing isebenza
Amamodeli ombono wokushuna kahle ezithombeni ezinokulungiswa okuphezulu lapho amamephu okuqalisa engase agcwale inkumbulo ye-GPU.
Amamodeli ombono wokuhlela kahle ezithombeni ezinokulungiswa okuphezulu lapho amamephu wokwenza kusebenze ebengachichima khona Amaqembu enkumbulo ye-GPU ngokuvamile athola imiphumela engcono uma echaza izinga eliphezulu ngaphambili, agcine indlela yokukhuphuka yabantu yamakesi asemaphethelweni, futhi alandelele kokubili izinzuzo zokukhiqiza nezindleko zamaphutha ngokuhamba kwesikhathi.
I-Gradient Checkpointing isebenza
I-Hugging Face Transformers evumela i-gradient_checkpointing=Iqiniso ukuze ilingane amamodeli wepharamitha eyizigidigidi ngesikhathi sokucushwa kahle.
Ama-Hugging Face Transformers Enabling gradient_checkpointing=Iqiniso ukuze alingane amamodeli epharamitha eyizigidigidi ngesikhathi sokuhlela kahle Amaqembu ngokuvamile athola imiphumela engcono lapho echaza izinga eliphezulu ngaphambili, egcina indlela yokukhuphuka yomuntu yamakesi asemaphethelweni, futhi elandelela kokubili izinzuzo zokukhiqiza nezindleko zamaphutha ngokuhamba kwesikhathi.
I-Gradient Checkpointing isebenza
Ukuhlanganisa indawo yokuhlola ne-FSDP ukuze yomibili imingcele kanye nokwenza kusebenze kugcinwe kuncane, okuvumela ukuqeqeshwa kwamamodeli ezilimi amakhulu kakhulu.
Ukuhlanganisa indawo yokuhlola ne-FSDP ukuze kokubili amapharamitha kanye nokwenza kusebenze kugcinwe kuncane, okuvumela ukuqeqeshwa kwamamodeli ezilimi amakhulu kakhulu Amathimba ngokuvamile athola imiphumela engcono lapho echaza izinga eliphezulu ngaphambili, egcina indlela yokukhuphuka komuntu yamakesi asemaphethelweni, futhi alandelele 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.