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Pruning Basics on Multi Head Attention-based Mo...
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Scatter Lab Inc.
May 18, 2020
Research
2.3k
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Pruning Basics on Multi Head Attention-based Models
Scatter Lab Inc.
May 18, 2020
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Transcript
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• &ODPEFS4FMG"UUFOUJPOਸਤदೠࠗ࠙)FBEٜࢿמࣚ೧Ѣহহচࣻਸࠁ
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1SVOJOH#BTJDTPO.VMUJ)FBE"UUFOUJPOCBTFE.PEFMT "CTUSBDU • -BZFS%SPQਸࣗѐೣ • 5SBJOJOH3FHVMBSJ[BUJPO&GGFDUܳоೞҊ *OGFSFODF5JNFীബਵ۽1SVOJOH • ֎ਕীࢲ'JOFUVOJOHҗহೞա4VCOFUXPSLܳࢶఖ೮ਸٸ ࢿמ%SPQহ୶ۿоמೠҳઑܳࠁ
1SVOJOH#BTJDTPO.VMUJ)FBE"UUFOUJPOCBTFE.PEFMT -BZFS%SPQ • Өѱऺੋ5SBOTGPSNFSܳ3FHVMBSJ[FೞҊ 5SBJOJOHਸউചदఇ • নೠ#FODINBSLীࢲ405"1FSGPSNBODFܳਬೞب۾ೣ • ೞա1SFUSBJOFE.PEFMীࢲౠӨܳоҊബਯੋݽ؛ਸ୶ೣ •
5FTU5JNFীزਵ۽ܖয • 'JOFUVOJOHҗਃೞঋ • %SPQPVUҗ࠺तೠࣻળए*NQMFNFOUBUJPOդبܳо
1SVOJOH#BTJDTPO.VMUJ)FBE"UUFOUJPOCBTFE.PEFMT "CTUSBDU
1SVOJOH#BTJDTPO.VMUJ)FBE"UUFOUJPOCBTFE.PEFMT 3BOEPNMZ%SPQQJOH4USVDUVSFTBU5SBJOJOH5JNF • п8FJHIUоة݀ਵ۽߬ܰ־࠙ನ ী೧Ѿػ%SPQ3BUFܳٮܴ • .\ ^উীࢲ3BOEPNMZ4BNQMFػ.BTL.FUSJYੌٸ
8FJHIU.BUSJYח p > 0 Wd = M ⊙ W
1SVOJOH#BTJDTPO.VMUJ)FBE"UUFOUJPOCBTFE.PEFMT 3BOEPN4USVDUVSFE%SPQPVU • эҊਬҳઑܳо$PNQPOFOUীౠ8FJHIUٜ(SPVQਸഋࢿೞҊ Ӓ(SPVQীٮۄࢲп$PNQPOFOUܳ.BTLJOHೣ • )FBEա''/.FUSJDFT -BZFS৬э0WFSMBQQJOHೞחҳઑ۽غযח ݽٚ8FJHIUীਊೡࣻ
1SVOJOH#BTJDTPO.VMUJ)FBE"UUFOUJPOCBTFE.PEFMT 1SVOJOHBU*OGFSFODF5JNFn4FMFDUJOH-BZFSTUP1SVOF • 1SVOJOHೡ-BZFSܳҊܰחо4USBUFHZ • &WFSZ0UIFS • 3BUF оযਸٸ %FQUI
ী೧ࢲܳ1SVOJOHೣ • оҙҊ#BMBODFE/FUXPSLٜܳ݅ࣻחߑߨ ݽٚ҃ীੜزೣ • 4FBSDIPO7BMJE • -BZFSٜৈ۞$PNCJOBUJPOਸ҅ೞҊ7BMJEBUJPO4FUਵ۽ппѨૐೣ • 4USBJHIUGPSXBSEೞ݅ো࠺ऱҊ7BMJEBUJPO4FUী0WFSGJUUJOHೡࣻ • %BUB%SJWFO1SVOJOH • п-BZFS%SPQ3BUF ܳणೞݴ -BZFSٜ"WFSBHF3BUFܳ ৬эѱೣ • -BZFS"DUJWBUJPOਵ۽ ܳणೞҊ4PGUNBYܳ҅ೞחഋక • *OGFSFODJOH5JNFী4PGUNBY0VUQVU5PQLܳࡳইࢲ೧-BZFSٜਸࢎਊೣ p d pd p pd d ≡ 0(mod⌊ 1 p ⌋)
1SVOJOH#BTJDTPO.VMUJ)FBE"UUFOUJPOCBTFE.PEFMT 1SVOJOHBU*OGFSFODF5JNFn4FUUJOHUIFESPQSBUFGPSPQUJNBMQSVOJOH • (SPVQ ѐҊ 'JYFE%SPQ3BUJP оਸٸ (SPVQٜಣӐіࣻח ۽ ѐ(SPVQਸ1SVOJOHೠҊೞݶ
0QUJNBM%SPQ3BUF ח • ֫1SVOJOH3BUFח.PEFMীࢲ؊աࢿמਸࠁ • -BZFS%SPQীࢲח ܳࢎਊ೮ਵա .PEFMীࢲח ܳӂೣ N p N(1 − p) r p* p* = 1 − r N p = 0.2 p = 0.5
1SVOJOH#BTJDTPO.VMUJ)FBE"UUFOUJPOCBTFE.PEFMT 3FTVMU
1SVOJOH#BTJDTPO.VMUJ)FBE"UUFOUJPOCBTFE.PEFMT 3FTVMU
1SVOJOH#BTJDTPO.VMUJ)FBE"UUFOUJPOCBTFE.PEFMT 3FTVMU
1SVOJOH#BTJDTPO.VMUJ)FBE"UUFOUJPOCBTFE.PEFMT 3FTVMU
1SVOJOH#BTJDTPO.VMUJ)FBE"UUFOUJPOCBTFE.PEFMT 3FTVMU
1SVOJOH#BTJDTPO.VMUJ)FBE"UUFOUJPOCBTFE.PEFMT "CMBUJPO4UVEJFT
1SVOJOH#BTJDTPO.VMUJ)FBE"UUFOUJPOCBTFE.PEFMT "CMBUJPO4UVEJFT
1SVOJOH#BTJDTPO.VMUJ)FBE"UUFOUJPOCBTFE.PEFMT $PODMVTJPO • 4USVDUVSFE%SPQPVU3FHVMBSJ[BUJPOীب݆ؽ • ؋࠙ী1SVOJOHदী/FUXPSLо؊3PCVTUೡࣻ • যڃ%FQUI۽1SVOJOHೞ؊ۄبযוب&GGJDJFOUೞب۾ࣁೣ • Ө/FUXPSLܳणदఆٸب-BZFS%SPQ4UBCJMJUZীبਸ݆
хࢎפ✌ ഘथജ .-4PGUXBSF&OHJOFFS 1JOHQPOH &NBJMTFVOHIXBO!TDBUUFSMBCDPLS