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メモリが足らない2026
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KOBA789
March 20, 2026
2.4k
4
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メモリが足らない2026
Kernel/VM探検隊@つくば No.3 で発表した内容です。
https://kernelvm.connpass.com/event/381371/
KOBA789
March 20, 2026
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Transcript
KOBA789 ϝϞϦ͕Βͳ͍ ,FSOFM7.୳ݕୂ!ͭ͘/P
KOBA789 ΠϕϯτӡӦͱൃදΛ݉ͶΔͷͭΒ͚͘Θ͍͠ ‣ ࣄ ‣ 3VTUͰਓӴͷϑϥΠτιϑτΣΞΛॻ͍ͨΓ ‣ ؤுͬͯ࡞ͬͨӴ͕ւʹΜͩΓ ‣ झຯ
‣ ࣗ࡞%#.4Λ࡞ͬͨΓʢ·ͨ࡞Γ·ͨ͠ʣ ‣ ʹ࣌ؒͰ5$1*1ελοΫΛ࡞ͬͨΓ ‣ :PV5VCFS׆ಈΛͬͨΓΒͳ͔ͬͨΓ IUUQTZPVUVCFDPN!LPCB IUUQTNJTTLFZJP!LPCB
ϝϞϦ͕ Βͳ͍
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ࢲͷίϯϐϡʔλ ϝϞϦ͕Βͳ͍
ࢲͷίϯϐϡʔλ ϝϞϦ͕Βͳ͍
;
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ࢲͷίϯϐϡʔλ ϝϞϦ͕Βͳ͍
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64Byte BIG MEMORY PC RV32IMA Emulator
Γ ελϯυΞϩϯʹ ͍ͨ͠
4UFQిػΛങ͏ ޙഐ͕*1ిػΛചͬͯ͘Ε·ͨ͠
4UFQిػΛόϥ͢ ωδΛճ͢ͱɺ։͘
4UFQੜͷ%3".Λൃݟʂ .CJU .#
4UFQ%3".ͷೖखʹޭʂ ώʔτΨϯͰᖰͬͯ৻ॏʹಥͬͭ͘
4UFQ͜Ε࣮͢Δͷμϧ͍ͳ͊ͱࢥ͏ NNϐονͱ͍͑ϐϯҎ্͋ΔͱͶ͐
4UFQ·ͨޙഐʹٽ͖ͭ͘ લͷʹΔձͰͳ͍
4UFQϞδϡʔϧΛήοτ ۚϑϥογϡͷࢠϋϯμ͚ͦ͢͠͏
4UFQࠈͷϋϯμ͚ ϐϯ͕ଟ͍ͷมΘΒͳ͍
2ͦͦ;ʹ 4%3".ܨ͕Δͷ͔ʁ
"͍͍͑
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w ͪΖΜϐϯҧ͏ w 3"4ͱ͔$"4ͱ͔͋Δ https://xtech.nikkei.com/atcl/nxt/cpbook/18/00049/00022/
Ͳ͏ʹ͜͏ʹ ສࡦਚ͖·͔ͨ͠ʁ w ;Ͱ4%3".ΛμΠϨΫτʹಡΈॻ͖͢ΔҊ w લड़ͷ௨Γɺະαϙʔτ w ඞཁͳϐϯແ͍͠ɺϓϩτίϧҧ͏ w 31Ͱ4%3".Λίϯτϩʔϧ͢ΔҊ
w ϐϯ͕ઈతʹΒͳ͍ (1*0ϐϯ͍͍ͬͯΔ
Ξϑϔʔϕϯʂ
;ʹ4%3".ͷ ϓϩτίϧΛΒͤͯɺ 31͕ิॿΛ͢Δ
4%3".ͷϓϩτίϧ ΞυϨεɾσʔλҎ֎ʹʮίϚϯυʯ͕͋Δ https://xtech.nikkei.com/atcl/nxt/cpbook/18/00049/00022/ ;όεͱ݁ 31Ͱิॿ ΦϨϯδɾ੨৭ͷऍKOBA789͕ه 3PXͱ͔$PMVNOͱ͔ݴͬͯͨͩͷΞυϨεͳͷͰ-%໋ྩͰόεʹྲྀ͍͍ͤ
231ͷϐϯ ༨͍ͬͯͳ͍ͷͰʁ
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QSPI
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