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Adallocation-9
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Shinya Akiba
August 31, 2016
Research
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74
Adallocation-9
Shinya Akiba
August 31, 2016
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Transcript
0OMJOF.BUDIJOHBOE"E"MMPDBUJPO
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"EBQUJWF#JETDBMJOH)FVSJTUJDT ఆظతʹϦαϯϓϦϯάSFDPNQVUF-1`TEVBMWBSJBCMFT "EWFSTBSJBMNPEFMΛར༻͢Δɻ< > )ZCSJEBMHPSJUINTΛ͏ɻ<> "UJNFWBSZJOHEJTUSJCVUJPOJOQVUNPEFM<
> )FVSJTUJDͳख๏ GFFECBDLMPPQ TUBUJDEJTUSJCVUJPO OPOTUBUJDEJTUSJCVUJPO
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<>"E8PSETBOE(FOFSBMJ[FE0OMJOF.BUDIJOH ڝ߹ൺFͱͳΔΑ͏ͳΞϧΰϦζϜ ҎԼͷ࣮༻తͳ݅ΛԾఆ͠ɺFΛ࣮ݱͨ͠ɻ ೖࡳऀ ࠂओ ɺVTFS͕ࠂΛΫϦοΫͨ͠ͱ͖ͷΈDPTUΛ ࢧ͏ ࠂओɺ͝ͱʹҟͳΔ༧ࢉΛ࣋ͭ
J൪ͷೖࡳऀɺJ ൪ͷೖࡳऀͷೖࡳֹΛࢧ͏ ͭͷΫΤϦ ྫݕࡧΩʔϫʔυ ʹର͠ɺෳͷࠂ͕දࣔ͞ ΕΔ ࠂओ͝ͱͰɺೖࡳճ͕ҟͳΔ
<>3FBM5JNF#JEEJOH"MHPSJUINTGPS1FSGPSNBODF #BTFE%JTQMBZ"E"MMPDBUJPO OPOTUBUJDEJTUSJCVUJPOʹରͯ͠ɺ༗ޮͳख๏ɻ NBSLFUͷมԽʹରͯ͠ɺ ࣌ؒత ཻͷࡉ͔͍CJEΛઃఆɻ ϦΞϧλΠϜͰิਖ਼߲Λߋ৽͍͖ͯ͠ɺ͍࣌ؒͰͷͷ มԽʹରԠɻ
5ISPUUMJOH CJETDBMJOHͱ5ISPUUMJOHͷҧ͍ 5ISPUUMJOHͷత 5ISPUUMJOHͷߟ͑ํͭ "OFXJOQVUNPEFM
0OMJOF,OBQTBDL1SPCMFNXJUIFTUJNBUFT 0QUJNJ[JOHGPSBMMBEWFSUJTFSTTJNVMUBOFPVTMZ #FTUF⒎PSUSFHSFUGSFFUISPUUMJOH
5ISPUUMJOH CJETDBMJOHͱ5ISPUUMJOHͷҧ͍ 6 7 6 7 TDBMF͞ΕͨCJET͔Β ࠷େͷͷΛબͿ ΦʔΫγϣϯʹࢀՃ͢Δ͔
Ͳ͏͔ΛܾΊ͔ͯΒબͿ PSʹTDBMF͢Δ CJETDBMJOH UISPUUMJOH
5ISPUUMJOH CJETDBMJOHͱ5ISPUUMJOHͷҧ͍ 6 7 6 7 TDBMF͞ΕͨCJET͔Β ࠷େͷͷΛબͿ ΦʔΫγϣϯʹࢀՃ͢Δ͔
Ͳ͏͔ΛܾΊ͔ͯΒબͿ PSʹTDBMF͢Δ 5ISPUUMF͞Εͨ ࠂΩϟϯϖʔϯ CJETDBMJOH UISPUUMJOH
5ISPUUMJOH 5ISPUUMJOHͷత ࠂΩϟϯϖʔϯͷ༧ࢉҎ্ʹೖࡳ͠ͳ͍ͨΊ ΩϟϯϖʔϯظؒதɺTNPPUIʹඅফ͍ͤͯͨ͘͞Ί 5ISPUUMJOHͷํ๏
*NQSFTTJPOWʹରͯ͠ɺVΛUISPUUMF͢Δ͔Ͳ͏͔ͷ֬QVΛ V͕Ωϟϯϖʔϯऴྃͱಉ࣌ʹඅফ͖͠ΕΔΑ͏ʹબͿɻ <>Ͱɺ࠷େԽͨ͠తؔΛ࠷େԽ͢ΔΑ͏ͳ0QUJNJ[FE UISPUUMJOHͱ͍͏ߟ͑ํΛಋೖ͍ͯ͠Δɻ
5ISPUUMJOH "OFXJOQVUNPEFM BVDUJPOUJNFQFSBEWFSUJTFSNFUSJDЖΛఆٛ͢Δɻ ྫ͑ɺࠂΩϟϯϖʔϯVʹର͢Δ*NQSFTTJPOWͷ$53 4V Y ЖV W
≥YͷΑ͏ͳYʹ͍ͭͯɺΫΤϦWʹର͢Δظඅফɻ 4V͕ࣄલʹ͔͍ͬͯΔͱ͍͏Ծఆɻ
5ISPUUMJOH "OFXJOQVUNPEFM ༧ࢉ#Vͱ͖ɺЖ $53 ≥НͷΫΤϦʹೖࡳ͢Δɻ ЖΛ$1$ͱ͓͍ͨ߹ɺЖ $1$ ≤НͷΫΤϦʹೖࡳ͢Δɻ
5ISPUUMJOH 0OMJOF,OBQTBDL1SPCMFNXJUIFTUJNBUFT ЗVVͷWBMVFQFSDMJDL ΫϦοΫͨΓͷظച্ 30*Λ࠷େԽ͢ΔΑ͏ͳ,OBQTBDL P⒐JOF Λߟ͑Δɻ 30*Λ࠷େԽ͢Δ͜ͱɺЗV$1$Λ࠷େԽ͢Δ͜ͱͱಉ͡ɻ ЗVࠂΩϟϯϖʔϯ͝ͱʹݻఆͳͷͰɺ$1$Λখ͘͢͞Δɻ
ඪͷඅফΛୡͭͭ͠ɺ30*Λ࠷େԽ͢Δʹɺ$1$Нͷ ΫΤϦWΛUISPUUMF͢Δɻ
5ISPUUMJOH 0OMJOFͰͷΞϧΰϦζϜɻ 0OMJOF,OBQTBDL1SPCMFNXJUIFTUJNBUFT
5ISPUUMJOH 0QUJNJ[JOHGPSBMMBEWFSUJTFSTTJNVMUBOFPVTMZ ͜Ε·Ͱͭͷࠂओ Ωϟϯϖʔϯ ʹ͍ͭͯɺUISPUUMJOHͷ Λߟ͖͑ͯͨɻ࣮ࡍʹɺෳͷࠂओ͕ΦʔΫγϣϯʹࢀ Ճ͍ͯ͠ΔͷͰɺͦΕͧΕͷඅফЖͷಠཱͰͳ͍ɻ ෳࠂओͷࢀՃʹΑΓʜ
ܝࡌॱҐ͕Լ͕Γɺ$53͕མͪΔ TFDPOEQSJDFΦʔΫγϣϯʹΑΓɺ$1$͕࣍ͷॱҐͷVͷ ͷͱͳΔ <>ͰɺଞͷࠂओΛߟྀͨ͠UISPUUMJOHΛఏҊ͍ͯ͠Δ
5ISPUUMJOH #FTUF⒎PSUSFHSFUGSFFUISPUUMJOH ෳࠂओͰͷ࠷దԽΛߟ͑ͨͱ͖ʹɺෆެฏ͞ͷ͕ੜ͡Δɻ ྫ͑ɺ HMPCBMͳ ΫϦοΫ࠷େԽͷͱ͖ɺ༧ࢉͷେ͖ͳࠂओ ͷΫϦοΫ͕૿͑Δɻ <>ͰCFTUF⒎PSUɺ<>ͰSFHSFUGSFFͱ͍͏ख๏Ͱɺ ࠂओ͝ͱʹෆެฏ͕ੜ͡ͳ͍Α͏ʹ͍ͯ͠Δɻ