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houmei
November 12, 2017
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2017 CPU Architeciture
houmei
November 12, 2017
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Transcript
Լੈքౝͷ CPUΞʔΩཧղ2017 2017.11.12 @houmei 1711݄12༵
༰ • 2006ࠒ͔Β࢝ΊͨܭࢉػΞʔΩςΫνϟͷษ ڧʹ͍ͭͯݱࡏ·ͰͷೝࣝΛཧ • ओʹ໋ྩηοτΞʔΩςΫνϟʹ͍ͭͯ twitter : @houmei blog
: ԼੈքౝͷܭࢉػΑ· 1711݄12༵
CISCͱRISC • CISCͷूେTRON CHIP • RISCͷूେAlpha·ͨAArch64 • RISCͱCISCͷҧ͍ϩʔυετΞΞʔΩςΫ νϟͰ͋Δ͔Ͳ͏͔ 1711݄12༵
໋ྩηοτΞʔΩςΫνϟ • ϋʔυͱιϑτͷք໘ʢΠϯλʔϑΣʔεʣ • ιϑτʹͲͷఔϋʔυͷ෦ΛݟͤΔʗӅ͢ • Ϗοτྻʹϋʔυૢ࡞ͷΈ߹ΘͤΛԡ͠ࠐΉ 1711݄12༵
໋ྩηοτ • ޓੑΛҡ࣋͠ͳ͚ΕͳΒͳ͍ɹՃͷΈ • ඇਪʹ͍ͯͩ͠Ϳܦ͔ͬͯΒͳ͘͢͜ͱ • ໋ྩϑΥʔϚοτʹ༨͕ඞཁ • ۭ͍ͯΔ໋ྩΛprefixʹ͢Δ(Մม໋ྩͷ߹) 1711݄12༵
Ξςʹͯ͠Α͍ػߏ • ύΠϓϥΠϯ • ཧϨδελϑΝΠϧ • ΞτΦϒΦʔμ(OoO)࣮ߦ • Ωϟογϡ(I1$,D1$,U2$,L3$) •
ذ༧ଌʢ্ͳͷʣ 1711݄12༵
Մม໋ྩVSݻఆ໋ྩ • ݻఆ໋ྩͷརσίʔμճ࿏ͷن • ࠓͲ͖ؾʹ͠ͳͯ͘Α͍ • ݻఆ໋ྩଈࢦఆʹ͕͋Δ • ֦ுੑͱ໋ྩີͷߴ͍Մม໋ྩͰΑ͍ 1711݄12༵
ͳ͘ͳΔ໋ྩͳͲ • σΟϨΠυذ݅ϑϥάɹOoO࣮ߦʹ͙ͦ Θͳ͍ • ذ༧ଌͷํࢦࣔɹذ༧ଌثʹ͓·͔ͤ • θϩϨδελɹ໋ྩϑΥʔϚοτ࣍ୈͰෆཁ • ϨδελΟϯυͷΑ͏ͳෳࡶͳػߏ
1711݄12༵
ԋࢉ໋ྩ • γϑτ໋ྩɹࢉ໋ྩɹϏοτ෯͕૿͑Δͱ ͘ͳΔ • Ճݮࢉ໋ྩ • ͰOoO࣮ߦͰӅͤΔ • আࢉ໋ྩͱͱαΠΫϧ͕ଟ͍͠༻ස
͍ 1711݄12༵
ذ໋ྩ • PC͕લఏɹPC૬ରذ • αϒϧʔνϯίʔϧͷͨΊͷϨδελͰذ • ذ݅4bitʹऩ·Δ • Nullfication͕͖ʢ໋࣍ྩεΩοϓʣ 1711݄12༵
ϩʔυετΞ໋ྩ • ·͢·͢ϝϞϦ͕ԕ͘ͳΔ • RMOϋʔυ؆୯͕ͩιϑτ͍ͨΜ • RMOະຬʴϝϞϦόϦΞ໋ྩ͕ଥ͔ • όΠΤϯσΟΞϯΞΫηε •
ΞϥΠϝϯτɹϋʔυͰอূͨ͘͠ͳ͍ 1711݄12༵
ΞυϨογϯάϞʔυ • ϨδελɺϨδελʴଈɺϨδελʴϨδε λ • Ͱ͖ΕΠϯΫϦϝϯτʗσΫϦϝϯτ • Ͱ͖ΕLEA໋ྩ • ؒΞΫηειϑτʹΒͤΑ͏
1711݄12༵
ԾهԱͱϝϞϦอޢ • Ͳͷϓϩηοαͦ͏มΘΒͳ͍ͷͰͳ͍͔ • System/360ͷετϨʔδΩʔ͘Β͍ʁ • AArch64λάͷϖʔδ͕༻ҙͰ͖Δ • ϋΠύʔόΠβʁʁ •
OSʹ͍ۙྖҬͷ͕͍ࣝΔɹ͞Βʹௐࠪ 1711݄12༵
ුಈখԋࢉ • IEEE754-1984͔ΒIEEE754-2008 • ੵԋࢉ໋ྩ • ेਐුಈখԋࢉ໋ྩ • ֦ுුಈখԋࢉϑΣʔυΞτ •
ػցֶशͷͨΊͷුಈখϑΥʔϚοτ 1711݄12༵
SIMD໋ྩ • ΞʔΩʹର͠γϦίϯ͕༨ͬͯͨ࣌ʹੑೳ ্ͷͨΊՃ • ුಈখϨδελͱ݉༻ɺͷͪʹઐ༻Ϩδε λ • ൚༻Ϩδελͱ݉༻ʹͯ͠Ͳ͏͔ 1711݄12༵
ׂΓࠐΈ • TRON CHIPͷEITϞσϧ͕Θ͔Γ͍͢ • ׂΓࠐΈςʔϒϧΛࢦ͢Ϩδελ • ༏ઌॱҐͱଟॏׂΓࠐΈͷڐՄ • SPARC
V9ͷϋʔυΣΞελοΫ • AlphaͷτϥοϓόϦΞ໋ྩ 1711݄12༵
ͦͷଞͷ֦ு໋ྩ • ҉߸Խʗ෮߸Խࢧԉ໋ྩ • σʔλϕʔεૢ࡞ࢧԉ໋ྩ • SIMD֦ு໋ྩ • ͍ͣΕΞϓϦέʔγϣϯدΓ 1711݄12༵
ੈͷτϨϯυ • CPUͷੑೳ্಄ଧͪ • ໋ྩ͋Μ·ΓՃ͞Εͳ͍ • GPGPUͰେྔʹܭࢉͤ͞Δ • ػցֶशͷͨΊͷνοϓΛ࡞ͬͯΔ •
͍ͣΕCPUͦΕΒͷίϯτϩʔϥͱͳΔ͔ 1711݄12༵
৽͍͠ΞʔΩςΫνϟ • RISC-VɹՄมͷنʹԠͯ͡ཧ͞Ε໋ͨྩ • the MillɹBeltͱ͍͏FIFOͰ࣮ߦ͢ΔมΘͬͨ CPU 1711݄12༵
ͦͯ͠ ͭͮ͘ ΅͘ͷ͔Μ͕͍͖͑ͨ͞ΐ͏CPUʹ 1711݄12༵