How V8 executes WASM

WASM Pipeline of V8 javascript engine

Transcript

1. H o w V 8 E x e c u t e W A S M
2. Name !CSO
   5BLFUPTIJ
   "POP੨໺݈ར
   Occupation 'SPOUFOE
   %FWFMPQFS
   
   1SPEVDU
   0XOFS
   Company $ZCFSBHFOU"EUFDI
   4UVEJP"*
   .FTTFOHFS
   OSS $POUSJCVUPS
   PG
   7
   About IUUQJOGPCODI
3. 8"4.
   ࣮ߦύε
4. 8"4. -JGU0⒎ JBY 5VSCP'BO 0UIFST 5VSCP'BO %FCVH *OUFSQSFUFS
5. -JGUPGG 8"4.ઐ༻ͷ#BTFMJOFίϯύΠϥ
   8"4.ͷ01ίʔυΛ+*5ʹม׵͢Δ
   ϨδελϚγϯ͕ͩɺ஋ͷϩʔυʹελοΫ΋࢖͏
   Ϩδελׂ෇͸ϦχΞʹߦ͍ɺϨδελ͕ރׇͨ͠ΒTQJMM͠ɺಛʹੜଘظؒ ͷ෼ੳ౳͸͍ͯ͠ͳ͍
   9ͱ*"ͷΈσϑΥϧτͰ0/ʹͳ͍ͬͯΔ
6. 5VSCP'BO 7ͷ࠷దԽ+*5༻ύΠϓϥΠϯ
   άϥϑΛੜ੒͔ͯ͠Βɺάϥϑ΁ͷ࠷దԽύΠϓϥΠϯΛ௨Γɺ *OTUSVDUJPO
   4FMFDUPSΛܦͯ+*5ίʔυΛग़ྗ͢Δ
   +BWBTDSJQU΋͜ͷ࠷దԽΛܦͯ+*5ίʔυ͕ग़ྗ͞ΕΔ
7. 5VSCP'BO
   1JQFMJOF
8. 8"4. %FDPEF
   'VODUJPO#PEZ 44"
   (SBQI 0QUJNJ[BUJPO
   QBTT 4DIFEVMJOH 3FHJTUFS
   "MMPDBUJPO *OTUSVDUJPO
   TFMFDUJPO $PEF
   (FOFSBUJPO
9. -JGUPGG
   1JQFMJOF
10. 8"4. %FDPEF
    'VODUJPO#PEZ $PEF
    (FOFSBUJPO
11. KBWBTDSJQU
    1JQFMJOF
12. +4 44"
    (SBQI 0QUJNJ[BUJPO
    QBTT 4DIFEVMJOH 3FHJTUFS
    "MMPDBUJPO *OTUSVDUJPO
    TFMFDUJPO $PEF
    (FOFSBUJPO 1BSTF "45 #ZUFDPEF
    (SBQI #ZUFDPEF
13. -JGUPGG
    5JFSJOH
14. 8"4. -JGU0⒎ &YFDVUF
    CBTFMJOF
    +*5 5VSCP'BO *NNFEJBUFMZ
    TUBSU
    CBDLHSPVOE
    DPNQJMF
15. 5JFSJOH -JGUPGGͷ৔߹͸࠷ॳʹ-JGUPGGͰ#BTFMJOF
    +*5Λग़ྗ࣮ͯ͠ߦ͢Δ
    ͜͏͢Δ͜ͱͰελʔτΞοϓλΠϜͷߴ଎ԽΛߦ͏
    ͞Βʹ8"4.͸+4ͱҧͬͯ੩తʹશͯܕ෇͚͞Ε͍ͯΔͨΊɺ࣮ߦͷ5SBDF ΛߦΘͣʹଈ࠷దԽ+*5Λग़ྗ͢Δ͜ͱ͕Ͱ͖Δ
    ͦͷͨΊɺ#BTFMJOFΛੜ੒ͭͭ͠όοΫάϥϯυͰ5VSCP'BOʹΑΔ࠷దԽ +*5ͷग़ྗΛಉ࣌ʹߦ͍ͬͯΔ
16. *OUFSQSFUFS 8"4.༻ͷΠϯλϓϦλ࣮૷
    ී௨ʹ࣮ߦͨ͠৔߹ʹ͜ͷύεʹೖΔ͜ͱ͸ͳ͍
    σόοά༻్ͱͯ͠ͷΈଘࡏ͢Δ
    ଎౓͸ͱͯ΋஗͍
17. $PEF
    $BDIJOH
18. 5VSCP'BO
    DPEF
    DBDIJOH 8"4.ͷίʔυ͸Ұ౓ίϯύΠϧ͞ΕΔͱ$ISPNFʹΑͬͯΩϟογϡ͞Ε ͯ࣍ճҎ߱͸ߴ଎Ͱىಈ͢Δ
    
19. 5P
    FGpDJFOU
    DBDIJOH 
    ʠJOTUBOUJBUF4USFBNJOHʡ͔
    ʠDPNQJMF4USFBNJOHʡΛར༻͢Δඞཁ͕͋ Δ
    
    63-ͱXBTNͷ૊Έ߹ΘͤͰΩϟογϡΛߦ͏ͷͰɺҧ͏63-͔Βϩʔυ ͢ΔͷΛ΍ΊΔ
20. KBWBTDSJQUͱൺ΂ͯ
21. $PEF
    TJ[F ѹॖ͞Εͨ#ZUFDPEFͳͷͰ౰વKBWBTDSJQUͷιʔείʔυΑΓ΋খ͍͞ ίʔυ಺༰ʹΑΔ͕
22. 5ZQF
    'FFECBDL KBWBTDSJQU͸ܕ͕ແ͍ͷͰɺCBTFMJOFͰ༷ʑͳܕʹରԠ͢ΔίʔυΛग़ྗ
    ͦͷޙऩू͞Εͨܕ৘ใ͔Βม਺ͷܕΛ༧૝ͯ͠+*5Λग़ྗ͢Δ
    8"4.͸੩తܕ෇͚ͳͷͰɺͦͷաఔΛܦΔඞཁ͕ແ͍
23. 4UBUJD
    0QUJNJ[BUJPO 8"4.͸ଟ͘ͷ৔߹ɺίϯύΠϥ͔Βग़ྗ͞ΕΔͨΊɺίϯύΠϥͷόοΫ Τϯυ͕੩తͳ࠷దԽΛࢪ͢͜ͱ͕Ͱ͖Δ
    +*5ͷλΠϛϯάͰߦ͏࠷దԽ͸࣌ؒΛ͔͚ΒΕͳ͍ͨΊɺߦ͑Δ࠷దԽ͕ ݶΒΕΔ
24. ($ 8"4.ʹ͸($͕ແ͍ͷͰߴ଎ͳׂ౰͕Մೳ
    8"4.ͷϝϞϦ͸+4ͷ"SSBZ#VGGFS͔ΒׂΓ౰ͯΒΕ͍ͯΔ͕ɺׂ౰ͷλΠ ϛϯάͰ0MEεϖʔεʹׂΓ౰ͯΔͷͰ+4ͷ($ͷର৅ʹ΋ͳΓͮΒ͍
    
25. ؾʹͳΔ఺ 8"4.͸͔ͳΓMPXMFWFMͳ#ZUFDPEFͳͷͰɺ+7.ͷΑ͏ͳલఏ৚݅Λ΋ͨ ͤΒΕͣɺΤϯδϯଆͰͰ͖Δ࠷దԽ͕͔ͳΓݶΒΕͯ͘Δ
    ࣄલͷ࠷దԽ͕ඇৗʹॏཁʹͳͬͯ͠·͍ɺ࢖͏ίϯύΠϥʹੑೳ͕େ͖͘ ґଘͦ͠͏
26. ·ͱΊ ΍͸Γ8"4.͸ͱͯ΋ίϯύΠϥϑϨϯυϦʔ
    KBWBTDSJQUͷ࠷దԽύε͸͔ͳΓෳࡶʹݟ͑Δ