Perplexity kanye namamethrikhi olimi
Perplexity umphumela wakudala wokuthi imodeli yolimi 'imangazwe' kangakanani ngombhalo wangempela - okuphansi kusho ukuthi ibikezela amagama ngokuzethemba okukhulu.
Uhlolojikelele
It and metrics like BLEU and ROUGE are how researchers actually measure whether a model is getting better.
I-Deep Dive
Imodeli yolimi inikeza amathuba kuwo wonke amagama alandelayo. Perplexity iphendula lawo mathuba enze inombolo eyodwa ebuza: ngokwesilinganiso, zingaki izinketho ezilinganayo okungenzeka ukuthi imodeli ihlukaniswe phakathi esinyathelweni ngasinye? Uma imodeli iqiniseka ngokuphelele futhi ilungile, ukudideka ngu-1; uma iqagela ngokufanayo phakathi kwamagama angu-50,000, ukudideka kungama-50,000. Okuphansi kungcono. I-exponential yezibalo yesilinganiso sokulahlekelwa kwegama ngalinye, ngakho ilandelela ukuqeqeshwa ngokuqondile. Kodwa ukudideka kulinganisa kuphela ukubikezela kwegama elilandelayo, hhayi ukuthi okukhiphayo kuwusizo, kuyiqiniso, noma kubhalwe kahle yini. Kungakho imisebenzi yesizukulwane yengeza amamethrikhi afana ne-BLEU (ukugqagqana kwe-n-gram ukuze kuhunyushwe) kanye ne-ROUGE (ukugqagqana ukuze kufinyezwe), futhi kungani izivivinyo zesimanje ziya ngokuya zithembela ezilinganisweni zabantu kanye namabhentshimakhi emisebenzi.
I-Technical Insight
Perplexity ilingana nokuchayeka kwesilinganiso sokungenzeka kwelogi okuyinegethivu imodeli eyabela umbhalo obanjiwe: exp(-(1/N) * isamba selogi P(igama | amagama adlule)). Eqinisweni inguqulo eguquliwe yokulahleka kwe-cross-entropy, esanda kuvezwa njengento esebenzayo yegatsha esikhundleni samabhithi noma ama-nats. Ngenxa yokuthi kuncike kulwazi lwamagama olunembile lwemodeli kanye ne-tokenizer, amanani okudideka aqhathaniswa kuphela phakathi kwamamodeli abelana ngethokheni efanayo - ukuqhathanisa imodeli yezinga legama nemodeli yegama elincane ngokuqondile akusho lutho.
I-Strategic Impact
Isivinini nesikali
Ukugeleza komsebenzi wolimi kungahamba ngokushesha ngaphandle kokudela ukuvumelana.
Finyelela futhi ufinyelele
Yandisa ukufinyelela kuzo zonke izilimi nezitayela zokuxhumana.
Izinqumo ezicacile
Amaqembu angachitha isikhathi esiningi ekwahluleleni kuyilapho i-automation isingatha impinda.
Ikusasa le-Perplexity namamethrikhi olimi
Perplexity izohlala iwukuxilongwa okubalulekile kwesikhathi sokuqeqeshwa ngoba ishibhile futhi ilandelela ukuthuthukiswa ngokushelela, kodwa inkambu idlule kakhulu kukho ukuze kuhlungwe amandla angempela. Njengoba amamodeli egcwala, ukuhlola kushintshela kumabhentshimakhi emisebenzi afana ne-MMLU, amazinga athandwayo abantu, kanye ne-LLM-as-jaji yamaphuzu wosizo nokunemba. Lindela ukudideka ukuze uhlale ubukele onjiniyela bemethrikhi yedeshibhodi ngesikhathi sokuqeqeshwa kusengaphambili, kuyilapho izimangalo zomphakathi mayelana nokuthi imodeli 'ingcono' zincike kuma-benchmark suites kanye nokuhlola komuntu ngamunye okuthwebula ukucabanga kanye nokudideka kweqiniso.
Ukuqaliswa Komhlaba Wangempela
Ukulandelela ukudideka kokuqinisekisa ngesikhathi sokuqeqeshwa kwangaphambili ukuze uqinisekise ukuthi imodeli isafunda kanye nokubona lapho iqala ukugcwala ngokweqile
Ukusebenzisa isikolo se-BLEU ukuqhathanisa isistimu entsha yokuhumusha ngomshini ngokuhunyushwa kwereferensi yomuntu
Ukubika ukugqagqana kwe-ROUGE-L ukulinganisa imodeli yesifinyezo sezindaba ngokumelene nezifinyezo ezisezingeni legolide
Ukuqhathanisa izindawo zokuhlola eziyimodeli ezimbili kukhorasi ebanjiwe eyodwa ukuze kunqunywe ukuthi iyiphi ebikezela umbhalo ngokuzethemba okukhulu
Izingozi & Guardrails
Amaqiniso akhonjiwe angafaka ngokuthula imibiko, ukugeleza kosekelo, noma imiphumela yocwaningo.
Ukuzwela okusheshayo kungadala imiphumela engahambisani kuzo zonke izicelo ezifanayo.
Idatha yombhalo ebucayi ingase idalulwe uma izilawuli zokufinyelela zibuthakathaka.
Ukuqalisa Umhlahlandlela
Chaza ifomethi yokuphumayo, ithoni, namazinga wekhwalithi ngaphambi kokukhishwa.
Izimpendulo eziyisisekelo ngemithombo ethembekile noma nini lapho ukunemba kubalulekile.
Gcina indawo yokuhlola isibuyekezo somuntu ukuze uthole imiphumela ephezulu.
Landela amaphethini okuhluleka futhi uqeqeshe kabusha imiyalo noma ukuhamba komsebenzi njalo.
Qhubeka Uhlole
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Umhlahlandlela olandelayo
Ukumodela Ulimi
Imibuzo evame ukubuzwa
What is Perplexity and Language Metrics?
Perplexity umphumela wakudala wokuthi imodeli yolimi 'imangazwe' kangakanani ngombhalo wangempela - okuphansi kusho ukuthi ibikezela amagama ngokuzethemba okukhulu. Yona kanye namamethrikhi afana ne-BLEU ne-ROUGE yindlela abacwaningi abakala ngayo ngempela ukuthi imodeli iba ngcono.
Ingabe amaphuzu angu-PHANSI okudideka abonisani ngemodeli yolimi?
Perplexity ikala ukuthi imodeli imangele kangakanani ngombhalo wangempela; ukudideka okuphansi kusho ukuthi inikeza amathuba aphezulu kumagama angempela alandelayo, ngakho-ke ibikezela ngokuzethemba okukhulu.
Perplexity isuselwa kuliphi inani lokuqeqeshwa ngokwezibalo?
I-Perplexity iwukuchayeka kwesilinganiso sokungenzeka kwelogi okunegethivu, okuyenza ibe ukuguqulwa okuqondile kokulahleka kwe-cross-entropy imodeli eqeqeshelwa ukukunciphisa.
Imodeli inikeza amathuba afanayo kuwo wonke amagama angu-10,000 ngaphandle kokufunda. Kuyini ukudideka kwayo?
Perplexity inombolo esebenzayo yezinketho ezingaba khona ngokulinganayo. Ukuqagela okumsulwa kwamagama angaphezu kuka-10,000 kunikeza ukudideka okungu-10,000.
Kungani amaphuzu okudideka avela kumamodeli amabili ahlukene engadukisa ukuqhathanisa ngokuqondile?
Ngenxa yokuthi ukudideka kubalwa ngethokheni ngayinye, izinga legama kanye nemodeli yegama elincane kuhlukanisa umbhalo ngokuhlukile, okwenza amanani azo okudideka angaqhathaniseki ngokuqondile.
Iyiphi imethrikhi ehlotshaniswa kakhulu nokuhlola ukuhumusha komshini ngokugqagqana kwe-n-gram nesithenjwa?
I-BLEU ikala ukugqagqana kwegama elithi n-grams phakathi kokuhumusha kwesistimu nereferensi yomuntu, futhi iyindinganiso ekudala ikhona yokuhlaziya ukuhumusha.