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Physics of Language Models: Part 3.1, Knowledge...
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Sosuke Kobayashi
August 17, 2024
Research
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Physics of Language Models: Part 3.1, Knowledge Storage and Extraction
Sosuke Kobayashi
August 17, 2024
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Transcript
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͕ࣝͲ͜ʹ֨ೲ͞Ε͍ͯΔ͔ w ֤Ґஔͷ5SBOTGPSNFS࠷ऴ͔ΒશଐੑΛ༧ଌ͢ΔQSPCJOHͰςετ ৽ͨʹՃઢܗΛֶशɻ&NCFEEJOH͚ͩϥϯΫߋ৽ ଞϑϦʔζ w ݴ͍͑ˠ໊લҐஔ͔Βશଐੑ༧ଌՄೳɻφγˠϑϨʔζଐੑͷͰ҉ه "OZB#SJBS'PSHFSXBTCPSOPO0DUPCFS 4IFTQFOUIFSFBSMZZFBSTJO1SJODFUPO
/+ 4IFSFDFJWFENFOUPSTIJQBOEHVJEBODFGSPNGBDVMUZNFNCFSTBU.BTTBDIVTFUUT*OTUJUVUFPG 5FDIOPMPHZ4IFDPNQMFUFEIFSFEVDBUJPOXJUIBGPDVTPO$PNNVOJDBUJPOT4IFIBEB QSPGFTTJPOBMSPMFBU.FUB1MBUGPSNT4IFXBTFNQMPZFEJO.FOMP1BSL $" FH ݴ͍͑ΞϦ ݴ͍͑φγ ଐੑͷલҐஔ ɹ༧ଌˠޙͷଐੑ ʜCPSOPOˠ0DUPCFS ʜZFBSTJOˠ1SJODFUPO ̋ ̋ ଐੑͷલҐஔ ɹ༧ଌˠҎ্ઌͷଐੑ ʜCPSOPOˠ1SJODFUPO ʜCPSOPOˠ.BTTBDIVTFUUT ʜZFBSTJOˠ.BTTBDIVTFUUT ̋ ✕ -BTUOBNFͷҐஔ ɹ༧ଌˠ࠷ॳͷଐੑ ʜ'PSHFSˠ0DUPSCFS ̋ ˚ -BTUOBNFͷҐஔ ɹ༧ଌˠΓͷଐੑ ʜ'PSHFSˠ1SJODFUPO ʜ'PSHFSˠ.BTTBDIVTFUUT ̋ ✕ ҹ͕ଟ͘ͳΓ͗͢ΔͷͰҰ෦লུ DGj & ' 😊 😊 😊 😊 😊 😨 😨 😨 😊
·ͱΊ w ههड़ 2"Ͱ܇࿅ͨ͠ͱ͖܇࿅2"ʹؚ·Εͳ͍هͷ2"͕ղ͚Δ͔ʁɹ ʮҾ͖ग़ͤΔࣝͱͯ͠هԱͰ͖ΔΑ͏ʹͳΔʯͷͲ͏͍͏ͱ͖͔ʁ w ࠞ߹ͯ͠܇࿅͢Δͱ͖ޭ w هࣄલ܇࿅ 2"
fi OFUVOJOHͷೋஈ֊܇࿅Ͱ w ֤ਓͷه͕छྨͷදݱ͚ͩͷͱ͖ࣦഊ w ه͕ଟ༷ʹݴ͍͑ΒΕͯग़ݱ͢Δͱ͖ޭ ผදݱςϯϓϨ--.Ͱੜ ಛʹ༗ޮ จॱংมߋ ໊ࢺͷϑϧωʔϜԽ ༁ w ໊લτʔΫϯͷޙͷ࠷ऴʹؔ࿈͕ࣝൃ࿐͢ΔΑ͏ʹͳΔ w Ұఆͷਓʹ͍ͭͯݴ͍͑ 2"͕͋Εશମʹ൚Խ͍ͯ͘͠ 😊 😊 😨
͓·͚ w #&35Ͱ w ॱংϥϯμϜ͠ͳͯͦͦ͘͜͜Ͱ͖Δ͚Ͳ ΄ͱΜͲͷଐੑݴ͍͑ͯͦͦ͜͜͠ ࢭ·Γ w ໊લଐੑͷ݁ͼ͖ͭΑΓ1SJODFUPO㲗/+ͳͲͷ݁ͼ͖ͭʹཔͬͯ͠·͏
w ੜ τʔΫϯ͕ޓ͍ʹಠཱ ઐ߈ τʔΫϯ͕ߴ͍ ਖ਼ղ͕ߴ͍ w Ϟσϧৄࡉ w (15TNBMM 3PUBSZ .MBZFST EJNT UPLFOJ[FS(15 --B.Bੜσʔλ࣮ݧͰͪΐͬͱେ͖͘. OFHBUJWFSFTVMUͷݕূ༻ʹ.Ͱ࣮ݧ DGj # )